User's Guide
SBAU229 – April 2014
DACx760EMC-EVM
This user's guide describes the characteristics, operation, and use of the DAC7760 and DAC8760
(DACx760) evaluation boards (EMC-EVMs). This user's guide also discusses how to set up and configure
the software and hardware, and reviews various aspects of the program operation. Throughout this
document, the terms DAC8760EMC-EVM, evaluation board, evaluation module, and EVM are
synonymous with the DACx760EMC-EVM. This user's guide also includes information regarding operating
procedures and input/output connections, an electrical schematic, printed circuit board (PCB) layout
drawings, and a parts list for the EVM.
1
2
3
4
5
6
Contents
Overview ...................................................................................................................... 3
1.1
EVM Kit Contents ................................................................................................... 3
1.2
Related Documentation from Texas Instruments ............................................................... 3
EVM Hardware Setup ....................................................................................................... 4
2.1
Theory of Operation for EVM Hardware ......................................................................... 4
2.2
Signal Definitions of J1 (10-Pin Male Connector Socket) ..................................................... 5
2.3
Theory of Operation for SM-USB-DIG Platform ................................................................ 5
EVM Hardware Overview ................................................................................................... 6
3.1
Electrostatic Discharge Warning .................................................................................. 6
3.2
Jumper Summary ................................................................................................... 6
3.3
Connecting the Hardware.......................................................................................... 6
3.4
Connecting the USB Cable to the SM-USB-DIG Platform .................................................... 7
3.5
Powering the EVM .................................................................................................. 7
3.6
EVM Features ....................................................................................................... 8
EVM Software Setup ........................................................................................................ 9
4.1
Operating Systems for EVM Software ........................................................................... 9
4.2
EVM Software Installation ......................................................................................... 9
EVM Software Overview .................................................................................................. 11
5.1
Starting the EVM Software ....................................................................................... 11
5.2
EVM Software Features .......................................................................................... 12
PCB Assembly Drawings, Bill of Materials, and Schematics ......................................................... 16
6.1
DACx760EMC-EVM Assembly Drawing ....................................................................... 16
6.2
DACx760EMC-EVM Bill of Materials ........................................................................... 17
6.3
DACx760EMC-EVM Board Schematic ......................................................................... 17
List of Figures
...........................................................................................
1
DAC8760EVM Hardware Setup
2
DAC8760EVM Block Diagram ............................................................................................. 4
3
USB-DIG Platform Block Diagram ......................................................................................... 5
4
SM-USB-DIG Connection to the DAC8760EVM ......................................................................... 6
5
Confirmation of SM-USB-DIG Platform Driver Installation
6
Hardware Features .......................................................................................................... 8
7
DAC8760EVM Installer
8
9
.............................................................
4
7
..................................................................................................... 9
DAC8760EVM Install Path ............................................................................................... 10
DAC8760EVM Software License Agreements ........................................................................ 10
Microsoft, Windows are registered trademarks of Microsoft Corporation.
SPI is a trademark of Motorola Inc.
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10
11
12
13
14
15
16
17
18
19
20
21
22
.......................................................................................
Communication Error with SM-USB-DIG Platform ....................................................................
Registers Tab ...............................................................................................................
Read, Write, and Auto-Write Buttons ....................................................................................
Resetting DAC8760 ........................................................................................................
Mode Selection .............................................................................................................
Dual Output Enable ........................................................................................................
Enabling Over-Range Operation .........................................................................................
Calibration Registers .......................................................................................................
Setting Slew Rates .........................................................................................................
CRC Enable and Dialog ...................................................................................................
CLRSEL Drop-Down Menu and Clear Button ..........................................................................
DACx760EMC-EVM Assembly Drawing ................................................................................
DAC8760EVM Software Interface
11
11
12
12
13
13
14
14
14
15
15
15
16
List of Tables
2
1
Contents of DACx760EMC-EVM and DACx750EMC-EVM Kit ........................................................ 3
2
Related Documentation ..................................................................................................... 3
3
SM-USB-DIG Connector .................................................................................................... 5
DACx760EMC-EVM
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Overview
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1
Overview
The DAC7760 (12-bit) and DAC8760 (16-bit) are precision digital-to-analog converters (DACs). The output
can be configured to produce a current in output ranges of 0 mA to 20 mA, 4 mA to 20 mA, and 4 mA to
24 mA. Both devices can also be configured to have voltage output ranges of 0 V to 5 V, 0 V to 10 V, ±5
V, and ±10 V. The DAC7750 (12-bit) and DAC8750 (16-bit) feature current outputs only. All of these
devices feature configurable slew rates, power-on reset functions, a highway addressable remote
transducer (HART) signal interface, a watchdog timer, error checking, external and internal voltage
references, and a common hardware fault output.
This EVM is designed to demonstrate capability of the DAC8760 family of products to survive harsh
industrial environments when paired with the appropriate protection circuitry on the analog front-end.
1.1
EVM Kit Contents
Table 1 details the contents of the EVM kit. Contact the Texas Instruments Product Information Center
nearest you if any component is missing. It is highly recommended that you check the TI web site at
http://www.ti.com to verify that you have the latest versions of the related software.
Table 1. Contents of DACx760EMC-EVM and
DACx750EMC-EVM Kit
Item
1.2
Quantity
DACx760EMC-EVM or DACx750EMC-EVM PCB
1
SM-USB-DIG platform PCB
1
USB extender cable
1
SM-USB-DIG connector ribbon cable
1
Related Documentation from Texas Instruments
The following documents provide information regarding Texas Instruments integrated circuits used in the
assembly of the DACx760EMC-EVM and DACx750EMC-EVM. This user's guide is available from the TI
web site under literature number SBAU205. Any letter appended to the literature number corresponds to
the document revision that is current at the time of the writing of this document. Newer revisions may be
available from the TI web site at http://www.ti.com/, or call the Texas Instruments Literature Response
Center at (800) 477-8924 or the Product Information Center at (972) 644-5580. When ordering, identify
the document by both title and literature number.
Table 2. Related Documentation
Document
Literature Number
DAC7760 and DAC8760 product data sheet
SBAS528
DAC7750 and DAC8750 product data sheet
SBAS538
Single-Channel Industrial Voltage and Current Output Driver,
Isolated, EMC/EMI Tested
TIPD153
SM-USB-DIG Platform User’s Guide
SBOU98
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EVM Hardware Setup
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EVM Hardware Setup
This section discusses the overall system setup for the EVM. A personal computer (PC) runs the software
that communicates with the SM-USB-DIG Platform, which provides the power and digital signals used to
communicate with the EVM board. Connectors on the EVM board allow the user to connect the required
external power supply.
External Power
USB
Computer
SM-USB-DIG
Platform
10-Pin
DAC8760EVM
Figure 1. DAC8760EVM Hardware Setup
2.1
Theory of Operation for EVM Hardware
A block diagram of the EVM hardware setup is shown in Figure 2. This board provides test points for the
SPI™ inputs, power, reference, ground connections, ALARM, CLR, BOOST, and the analog outputs of the
DAC. Note that DACx750 only features current outputs (IOUT), but also includes a test point for R3SENSE.
External Power
Power
SPI
J1
(to SM-USB-DIG)
Isolation
VOUT
Protection Circuit
IOUT
Protection Circuit
DAC8760
Figure 2. DAC8760EVM Block Diagram
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2.2
Signal Definitions of J1 (10-Pin Male Connector Socket)
Table 3 shows the pinout for the 10-pin connector socket used to communicate between the EVM and the
SM-USB-DIG. Note that the I2C communications lines (I2C_SCL and I2C_SDA1) are not used.
Table 3. SM-USB-DIG Connector
2.3
Pin On U1
Signal
1
I2C_SCL
2
CTRL/MEAS4
3
I2C_SDA1
4
CTRL/MEAS5
5
SPI_DOUT1
6
VDUT
7
SPI_CLK
8
GND
Description
I2C Clock Signal (SCL)
GPIO – Control Output or Measure Input
I2C Data Signal (SDA)
GPIO – Control Output or Measure Input
SPI Data Output (MOSI)
Switchable DUT Power Supply: +3.3V, +5V, Hi-Z (Disconnected).
Note: When VDUT is Hi-Z all Digital I/O are Hi-Z as well.
SPI Clock Signal (SCLK)
Power Return (GND)
9
SPI_CS1
SPI Chip Select Signal (CS)
10
SPI_DIN1
SPI Data Input (MISO)
Theory of Operation for SM-USB-DIG Platform
Figure 3 shows the block diagram for the SM-USB-DIG Platform. This platform is a general-purpose dataacquisition system that is used on several different Texas Instruments evaluation modules. The details of
operation are included in SBOU098, SM-USB-DIG Platform User's Guide. The block diagram shown in
Figure 3 is given as a brief overview of the platform.
The primary component of the SM-USB-DIG Platform is the TUSB3210, an 8052 microcontroller that has
a built-in USB interface. The microcontroller receives information from the host computer that is
interpreted into power, I2C, SPI, and other digital I/O patterns. During the digital I/O transaction, the
microcontroller reads the response of any device connected to the I/O interface. The response from the
device is then sent back to the computer where it is interpreted by the host computer.
SM-USB-DIG Platform
+3.3 V
USB
+5 V
TUSB3210
8052 mC
with USB Interface
and UART
USB Bus
from
Computer
Power-On Reset
2
I C and SPI
Control and
Measure Bits
Buffers and
Level Translators
To Test Board
To Computer and Power Supplies
+3.3-V
Regulator
8K × 8-byte
EEPROM
+5.0 V
USB Power
+3.0 V
Power
Switching
VDUT
(Hi-Z, 3.3 V, or 5 V)
Switched
Power
Figure 3. USB-DIG Platform Block Diagram
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EVM Hardware Overview
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EVM Hardware Overview
To use the EVM hardware, set the jumpers, connect the SM-USB-DIG and the EVM together, apply
external power, and connect the USB cable from the SM-USB-DIG to the computer. This section presents
the details of these procedures.
3.1
Electrostatic Discharge Warning
While the input and circuitry is protected against electrostatic discharge, there are sensitive paths that can
be damaged by electrostatic discharge (ESD). Customers are advised to observe proper ESD handling
precautions when unpacking and handling the EVM, including the use of a grounded wrist strap at an
approved ESD workstation.
3.2
Jumper Summary
To facilitate strong EMC/EMI performance, there are no jumper options present with this EVM.
3.3
Connecting the Hardware
To connect the EVM board and the SM-USB-DIG Platform together, firmly slide the male and female ends
of the 10-pin connectors together as shown in Figure 4. Make sure that the two connectors are completely
pushed together; loose connections may cause intermittent operation.
Figure 4. SM-USB-DIG Connection to the DAC8760EVM
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3.4
Connecting the USB Cable to the SM-USB-DIG Platform
Figure 5 shows the typical response to connecting the SM-USB-DIG Platform board to a USB port for the
first time. Typically, the PC responds with a Found New Hardware, USB Device pop-up dialog window.
The pop-up window then changes to Found New Hardware, USB Human Interface Device. This pop-up
indicates that the device is ready to be used. The SM-USB-DIG Platform uses the human interface device
drivers that are included in the Microsoft® Windows® operating system (OS).
In some cases, the Add Hardware Wizard appears. If this prompt occurs, allow the system device
manager to install the human interface drivers by clicking Yes when requested to install drivers.
Figure 5. Confirmation of SM-USB-DIG Platform Driver Installation
3.5
Powering the EVM
This section describes the various power configurations that can be used by the EVM.
3.5.1
AVDD and AVSS Power Configurations
Terminal block J2 allows for external voltage sources to be connected to the AVDD and AVSS supply rails
of the DACx760. Note that the DACx750 devices feature only AVDD supplies. The DACx760EMC-EVM
only requires an AVSS supply if the DACx760 is used in ±5 V or ±10 V mode. If bipolar output is not
required, jumper JP1 can be shunted to connect AVSS to GND, or GND may be connected at J2. AVDD
and AVSS are protected to the datasheet absolute maximum potentials by transient-voltage-suppression
(TVS) diodes D2, D3, and D5.
3.5.2
DVDD Power Configurations
Terminal block J1 allows for an external voltage source to be connected to the DVDD pin of the DACx760
or DACx750. The EVM receives power from the SM-USB-DIG Platform when JP9 is installed. An external
power source can be used when JP9 is removed and JP3 is installed. Note that if an external DVDD is
used, it must be set to the same voltage as the SM-USB-DIG Platform for successful SPI communication
alongside the SM-USB-DIG. The DVDD input is protected to the datasheet absolute maximum input by
D1.
The DACx760 and DACx750 feature internal regulators that can be used to provide DVDD supplies. By
removing JP3, the DACx760 or DACx750 provide the DVDD supply. In this configuration, JP9 must be
removed and no external supply can be connected.
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EVM Hardware Overview
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EVM Features
This evaluation platform has an output protection circuit designed to withstand the electrostatic discharge
(ESD), electrically fast transient (EFT), conducted immunity (CI), and radiated immunity (RI) immunity
tests as described by the IEC61000-4 test suite. For full details concerning the design of these circuits and
the design considerations for the layout of this PCB, please refer to TIPD153.
Figure 6. Hardware Features
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4
EVM Software Setup
This section discusses how to install the EVM software.
4.1
Operating Systems for EVM Software
The EVM software has been tested on the Windows XP and Windows 7 operating systems with United
States and European regional settings. The software should also function on other Windows operating
systems.
4.2
EVM Software Installation
The EVM software is included on the CD that is shipped with the EVM kit. It is also available through the
EVM product folder on the TI website. To install the software, insert the included CD into an available CDROM drive. Navigate to the drive contents and open the DAC8760EVM software folder. Locate the
compressed file named DACx760EMC-EVM.zip or DACx750EMC-EVM.zip and open it. Extract the EVM
files into a specific folder (for example, C:\DAC8760EVM) on your hard drive.
After the files are extracted, navigate to the folder you created on your hard drive. Locate and execute the
setup.exe file to start the installation, as shown in Figure 7. The DAC8760 software installer file then
opens to begin the installation process.
Figure 7. DAC8760EVM Installer
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EVM Software Setup
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After the installation process initializes, the user is given a choice of selecting the installation directory,
usually defaulting to C:\Program Files\DAC8760EVM\ and C:\Program Files\National Instruments\ as
shown in Figure 8.
Figure 8. DAC8760EVM Install Path
After selecting the installation directory, two license agreements are presented that must be accepted, as
shown in Figure 9.
Figure 9. DAC8760EVM Software License Agreements
After accepting the Texas Instruments and National Instruments license agreements, the progress bar
opens and shows the installation of the software. Once the installation process is completed, click Finish.
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5
EVM Software Overview
This section describes the use of the EVM software.
5.1
Starting the EVM Software
The EVM software can be operated through the Windows start menu. From the start menu, select All
Programs, and then select DAC8760EVM. Figure 10 illustrates how the software should appear at launch
if the EVM is functioning properly.
Figure 10. DAC8760EVM Software Interface
Figure 11 shows an error window that appears if the PC cannot communicate with the EVM. In the event
you receive this error, first ensure that the USB cable is properly connected on both ends. This error can
also occur if you connect the USB cable before the SM-USB-DIG Platform power source. Another possible
source for this error is a problem with the USB human interface device driver on your PC. Make sure that
the device is recognized when the USB cable is plugged in, indicated by a Windows-generated
confirmation sound.
Figure 11. Communication Error with SM-USB-DIG Platform
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EVM Software Overview
5.2
5.2.1
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EVM Software Features
Registers Tab
The EVM software features a tab devoted to reading and writing directly to the registers found on the
DACx760 and DACx750, as shown in Figure 12. By selecting a register in the register table, the individual
bits can be set in the Register Value section of the tab. The function of each bit can be found in the
DACx760 and DACx750 data sheets, or by clicking the Help w/ Reg button. Note that read-only registers
cannot have their values changed in this tab.
Figure 12. Registers Tab
5.2.2
Reading From and Writing to Registers
The EVM software only reads from and writes to the DACx760 and DACx750 registers at the user’s
command. These actions are accomplished with the Read All Reg and Write All Reg buttons. When any
change is made to the configuration register in the Registers tab or the Block Diagram tab, the green light
is on to show that changes are pending, as shown in Figure 13.
Figure 13. Read, Write, and Auto-Write Buttons
Pressing the Write All Reg button writes the pending changes to the DACx760 or DACx750. In addition, by
enabling the Auto-Write button, changes are written to the configuration register automatically.
The registers in the DACx760 and DACx750 are read when the Read All Reg button is pressed. Perform a
read after writing to the device configuration register to verify that the DACx760 or DACx750 successfully
stored the data.
More information about the individual registers can be found by pressing the Help w/ Reg button.
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5.2.3
Software Reset
Figure 14 shows the Reset DAC8760 button. This button resets the DAC8760 back to the default poweron state after the change is written to the DAC.
Figure 14. Resetting DAC8760
5.2.4
Setting the Output
The Mode section of the Block Diagram tab allows for the configuration of the output range, output enable,
and output value to be set, as shown in Figure 15.
Figure 15. Mode Selection
The DAC Value field must be rewritten to the DACx760 or DACx750 when the range is changed because
the DAC value is reset. The Output Enable toggle button sets the OUTEN bit in the control register to
high, which enables either the IOUT or VOUT functions.
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5.2.5
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Dual Output Enable (DACx760 devices only)
The DACx760 devices that feature both current and voltage outputs also feature a dual output enable
option. This feature is not included on the DACx750 current output only devices. To enable dual outputs
toggle the Dual Output Enable button shown in Figure 16 and select a voltage and current output range.
The Output Enable and DAC Value shown in Figure 15 are used in dual output mode to enable the pair of
outputs and to set the output code.
Figure 16. Dual Output Enable
5.2.6
Enabling Voltage Overrange (DACx760 devices only)
Figure 17 shows the Over Range toggle button. This button enables the DACx760 overrange function,
which increases the voltage output range by 10% (not included in DACx750 devices).
Figure 17. Enabling Over-Range Operation
5.2.7
Accessing Calibration Registers
The DACx760 and DACx750 feature programmable gain and offset functions. Set the gain and offset with
the Gain Calibration Code and Zero Offset Calibration Code fields. As shown in Figure 18, the fields on
the left allow a 16-bit hex value to be entered directly, and the fields on the right allow decimal values to
be used. The Cal. Enable toggle button applies the gain and offset to the data register. After reading all
registers, the DAC Value field shows the changes.
Figure 18. Calibration Registers
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5.2.8
Slew Rate Configuration
Use the Slew Rate section of the Block Diagram tab, as shown in Figure 19, to set the various slew-rate
controls. The Slew Rate drop-down menu sets the slewing frequency. The Slew Rate Step Size dropdown menu sets the step size, which is listed in LSB increments with the 12-bit step sizes in parentheses.
The Slew Enable toggle button enables the programmed slew rates and step size on the DAC.
Figure 19. Setting Slew Rates
5.2.9
Cyclic Redundancy Check
The CRC Enable toggle button enables the DACx760 or DACx750 cyclic redundancy check function.
When the button is pressed, the EVM software informs the user that the configuration register will be
written to immediately, as shown in Figure 20. It is written immediately to make sure that any other
pending changes are written to the DACx760 or DACx750 with the correct CRC value.
Figure 20. CRC Enable and Dialog
5.2.10
Clear Functionality
The CLRSEL drop-down menu, as shown in Figure 21, sets the value of VOUT after a power-on and reset
occur. The CLEAR button sets the CLR pin high, resulting in a clear state. Note that the DACx760 and
DACx750 set the voltage out to midscale (negative full-scale when in bipolar mode for DACx760 devices)
if either the CLR-SEL pin is high or the register is set to midrange.
Figure 21. CLRSEL Drop-Down Menu and Clear Button
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PCB Assembly Drawings, Bill of Materials, and Schematics
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PCB Assembly Drawings, Bill of Materials, and Schematics
This section contains the schematics, PCB layouts, and bills of materials for the DACx760EMC-EVM and
DACx750EMC-EVM. Documentation information for the SM-USB-DIG Platform can be found in SBOU098,
SM-USB-DIG Platform User’s Guide, available at the TI web site at http://www.ti.com.
6.1
DACx760EMC-EVM Assembly Drawing
Figure 22 shows the assembly drawing of the components for the DACx760EMC-EVM board.
Figure 22. DACx760EMC-EVM Assembly Drawing
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6.2
DACx760EMC-EVM Bill of Materials
DACx760EMC-EVM Bill of Materials lists the bill of materials for the DACx760EMC-EVM.
DACx760EMC-EVM Bill of Materials
Qty
Item
DAC8760
DAC7760
1
1
1
2
11
11
3
5
4
2
5
Description
Manufacturer
Part Number
Printed Circuit Board
Any
6579211
C1, C5, C9, C10, C12, C15,
C16, C17, C18, C19, C21
CAP, CERM, 0.1uF, 50V, +/-10%, X7R, 0603
MuRata
GRM188R71H104KA93D
5
C2, C6, C7, C8, C11
CAP, CERM, 100pF, 50V, +/-5%, C0G/NP0, 0603
AVX
06035A101JAT2A
2
C3, C4
CAP, TANT, 10uF, 50V, +/-10%, 0.8 ohm, 7343-43 SMD
Vishay-Sprague
293D106X9050E2TE3
3
3
C13, C14, C23
CAP, CERM, 1000pF, 100V, +/-10%, X7R, 0603
MuRata
GRM188R72A102KA01D
6
1
1
C20
CAP, CERM, 2200pF, 50V, +/-5%, C0G/NP0, 0603
MuRata
GRM1885C1H222JA01D
7
2
2
C22, C26
CAP CER 0.1UF 100V 10% X7R 0603
MuRata
GRM188R72A104KA35J
8
1
1
C24
CAP, CERM, 0.1uF, 50V, +/-5%, X7R, 0805
AVX
08055C104JAT2A
9
1
1
C25
CAP, CERM, 0.022uF, 50V, +/-10%, X7R, 0603
TDK
C1608X7R1H223K
10
2
2
D1, D2
Diode, TVS, Uni, 15V, 600W, SMB
Diodes Inc.
SMBJ15A-13-F
11
1
1
D3
IC TVS ARRAY 2-LINE 70V SOT-143
Bourns
CD143A-SR70
12
2
2
D4, D5
DIODE TVS ARRAY 15V SOD323
Bourns
CDSOD323-T15SC
13
1
1
FB1
FERRITE CHIP 600 OHM 200MA 0603
MuRata
BLM18HG601SN1D
14
1
1
FB2
3A Ferrite Bead, 600 ohm @ 100MHz, SMD
Taiyo Yuden
FBMH3225HM601NT
15
1
1
J1
Receptacle, 50mil 10x1, R/A, TH
Mill-Max
851-43-010-20-001000
16
2
2
J2, J3
Terminal Block, 6A, 3.5mm Pitch, 2-Pos, TH
On-Shore Technology
ED555/2DS
17
1
1
J4
Terminal Block, 6A, 3.5mm Pitch, 3-Pos, TH
On-Shore Technology
ED555/3DS
18
1
1
R1
RES, 15.0k ohm, 0.1%, 0.1W, 0603
Yageo America
RT0603BRD0715KL
19
2
2
R2, R3
RES, 15 ohm, 5%, 0.1W, 0603
Vishay-Dale
CRCW060315R0JNEA
20
1
1
R4
RES 15 OHM 1/2W 1% 1210 SMD
Panasonic
ERJ-14NF15R0U
21
1
0
U1
Single-Channel, 16-Bit Programmable Current Output and Voltage Output
DIGITAL-TO-ANALOG CONVERTER for 4-mA to 20-mA Current Loop
Applications, RHA0040C
Texas Instruments
DAC8760IRHA
0
1
Single-Channel, 12-Bit Programmable Current Output and Voltage Output
DIGITAL-TO-ANALOG CONVERTER for 4-mA to 20-mA Current Loop
Applications, RHA0040C
Texas Instruments
DAC7760IRHA
1
1
ISOLATOR DGTL 25MBPS 4CH 16SOIC
Texas Instruments
ISO7641FCDW
22
6.3
Designator
U2
DACx760EMC-EVM Board Schematic
The EVM schematic is appended to the end of this user's guide.
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DACx760EMC-EVM
Copyright © 2014, Texas Instruments Incorporated
17
1
2
3
4
5
6
A
A
+15V
1
PIJ101
2
PIJ102
3
4
PIJ103
PIJ104
5
PIJ105
6
PIJ106
7
PIJ107
1
PID10
NLMISO0DIG
MISO_DIG
NL\C\S0DIG
CS_DIG
BLM18HG601SN1D
NLSCLK0DIG
SCLK_DIG
NLMOSI0DIG
MOSI_DIG
9
PIJ109
10
PIJ1010
PIC210
PIC2102
NLGPIO4
GPIO4
PIC301 COC3
C3
PIC102 C1
COC1
PIC201 C2
COC2
PIC302
PIC101
PIC202
10µF
0.1µF
PID102
100pF
1
PIJ401
2
PIJ402
3
PIJ403
PIFB102
8
PIJ108
COJ4
J4
VDUT
COFB1
FB1
PIFB101
COC21
C21
0.1µF
COD1
D1
SMBJ15A-13-F
15V
2
SPI_DIN
SPI_CS
GND
SPI_CLK
VDUT
SPI_DOUT
CTRL/MEAS5
I2C_SDA
CTRL/MEAS4
I2C_SCK
PIC401
PIC402
ED555/3DS
PIC502
PIC501
COC4
C4
10µF
COC5
C5
0.1µF
PIC601
PIC602
PID201
1
COJ1
J1
COC6
C6
100pF
PID20
COD2
D2
GND
SMBJ15A-13-F
15V
-15V
2
SUPER MINI DIG FEMALE
DGND
+15V
B
-15V
COC7
C7PIC702 PIC701
100pF
COC8
C8
100pF
PIC802 PIC801
COC9
C9PIC902
COC10
C10
0.1µF
PIC1002 PIC1001
23
PIU1023
DVDD-EN
18
PIC1701
0.1µF PIC1702
COC17
C17
COC24
C24
PIC2402
PIC1801
PIC1802
COU2
U2
DGND
CS_DIG
SCLK_DIG
MOSI_DIG
MISO_DIG
PIU201 Vcc1
PIU207
PIU203
EN1
INa
PIU204 INb
PIU205 INc
PIU206 OUTd
PIU202
GND1
PIU208 GND1
C
Vcc2 PIU2016
COC18
C18
0.1µF
PIC1901
PIC1902
PIU1018
0.1µF
PIC2401
COC19
C19
0.1µF
6
7
EN2 PIU2010
OUTa PIU2014
OUTb PIU2013
OUTc PIU2012
INd PIU2011
GND
PIU107
NL\C\S0AO
CS_AO GND
NLSCLK0AO
SCLK_AO
NLMOSI0AO
MOSI_AO
27
BOOST PIU1027
CLR
GND
3
PIU103
GND
12
13
15
-VSENSE
34
PIU1034
CMP
24
PIU1024
29
CAP2 PIU1029
1
PIU101
NC
10
11
19
21
PIU1021
COC23
C23
1000pF
COD5
D5
CDSOD323-T15SC
NC
PID501
PID502
1
PIC2601
PIC2602
COC26
C26
PIJ301
2
PIJ302
ED555/2DS
1000pF
GND
+15V CD143A-SR70 -15V
COD3A
D3A
15.0k
4
PID304
COC20 2200pF
C20
PIC2002 PIC2001
GND
COC14
C14
1000pF
PIC1402 PIC1401
COC13
C13
PIC1302
PIC1501
PIC1502
GND
+15V
COR2
R2
PIR201
COC15
C15
0.1µF
C
1
PID301
PIC1601
PIC1602
COC16
C16
0.1µF
15
1000pF
PIC1301
R3
COR3
PIR301
GND
PID302
PIR202
GND
22
NC PIU1022
30
NC PIU1030
31
NC PIU1031
35
NC PIU1035
38
NC PIU1038
40
PIU1040
NC
NC
NC
PIU1019 NC
20
PIU1020
NC
15R
PIR402
GND
PIR101
32
VOUT PIU1032
PIU1013
PIU1011
PIC2301
PIC2302
28
CAP1 PIU1028
GND
GND
PIU1015 GND
PIU1012
PIU1010
COJ3
J3
COR4
R4
PIR401
33
+VSENSE PIU1033
4
GND
PID30
1
PID301
GND
R1
PIR102 COR1
PIU104 CLR-SEL
5
PIU105
-15V
CD143A-SR70
COD3B
D3B
4
PID304
16
ISET-R PIU1016
9
PIU109
SDO
GND2 PIU2015
GND2 PIU209
+15V
COC25 0.022µF
C25
PIC2501 PIC2502
2
ALARM PIU102
SCLK
8
PIU108 DIN
NLMISO0AO
MISO_AO
HART-IN
25
PIU1025
26
IOUT PIU1026
PIU106 LATCH
ISO7641FCDW
DGND
17
PIU1017
REFOUT
GND
37
AVSS PIU1037
14
AVSS PIU1014
PAD PIU1041
REFIN
GND
0.1µF
PIC1201
3
VDUT
COC12
C12
PIC1202
36
AVDD PIU1036
DVDD
2
39
PIU1039
COC11
C11
100pF
PIC1102 PIC1101
GND
COU1
U1
B
0.1µF
PIC901
COJ2
J2
COFB2
FB2
GND
PIFB201
PIFB202
600 ohm
15
PIR302
COD4
D4
CDSOD323-T15SC
PID401
PID402
1
PIC2 01
PIC2 02
C22
COC22
PIJ201
2
PIJ202
ED555/2DS
1000pF
GND
GND
DAC8760IRHA
D
D
Number: 6579211
Rev: A
Texas Instruments and/or its licensors do not warrant the accuracy or completeness of this specification or any information contained therein. Texas Instruments and/or its licensors do not SVN Rev: Not in version control
warrant that this design will meet the specifications, will be suitable for your application or fit for any particular purpose, or will operate in an implementation. Texas Instruments and/or its
Drawn By:
licensors do not warrant that the design is production worthy. You should completely validate and test your design implementation to confirm the system functionality for your application.
Engineer: Enter name of project lead
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Designed for: Public Release
Mod. Date: 3/12/2014
Project Title: Change in menu Project|Project Options|Parameters
Sheet Title:
Assembly Variant: Variant name not interpreted Sheet: 1 of 1
File: DAC8760EMC-EVM_A.SchDoc
Size: B
http://www.ti.com
Contact: http://www.ti.com/support
© Texas Instruments 2014
6
ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR
EVALUATION MODULES
Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user
expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following:
1.
User agrees and acknowledges that EVMs are intended to be handled and used for feasibility evaluation only in laboratory and/or
development environments. Notwithstanding the foregoing, in certain instances, TI makes certain EVMs available to users that do not
handle and use EVMs solely for feasibility evaluation only in laboratory and/or development environments, but may use EVMs in a
hobbyist environment. All EVMs made available to hobbyist users are FCC certified, as applicable. Hobbyist users acknowledge, agree,
and shall comply with all applicable terms, conditions, warnings, and restrictions in this document and are subject to the disclaimer and
indemnity provisions included in this document.
2. Unless otherwise indicated, EVMs are not finished products and not intended for consumer use. EVMs are intended solely for use by
technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical
mechanical components, systems, and subsystems.
3. User agrees that EVMs shall not be used as, or incorporated into, all or any part of a finished product.
4. User agrees and acknowledges that certain EVMs may not be designed or manufactured by TI.
5. User must read the user's guide and all other documentation accompanying EVMs, including without limitation any warning or
restriction notices, prior to handling and/or using EVMs. Such notices contain important safety information related to, for example,
temperatures and voltages. For additional information on TI's environmental and/or safety programs, please visit www.ti.com/esh or
contact TI.
6. User assumes all responsibility, obligation, and any corresponding liability for proper and safe handling and use of EVMs.
7. Should any EVM not meet the specifications indicated in the user’s guide or other documentation accompanying such EVM, the EVM
may be returned to TI within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE
EXCLUSIVE WARRANTY MADE BY TI TO USER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR
STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. TI SHALL
NOT BE LIABLE TO USER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RELATED TO THE
HANDLING OR USE OF ANY EVM.
8. No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which EVMs might be or are used. TI currently deals with a variety of customers, and therefore TI’s arrangement with
the user is not exclusive. TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services with respect to the handling or use of EVMs.
9. User assumes sole responsibility to determine whether EVMs may be subject to any applicable federal, state, or local laws and
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and use of EVMs and, if applicable, compliance in all respects with such laws and regulations.
10. User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees, affiliates, contractors or
designees, with respect to handling and using EVMs. Further, user is responsible to ensure that any interfaces (electronic and/or
mechanical) between EVMs and any human body are designed with suitable isolation and means to safely limit accessible leakage
currents to minimize the risk of electrical shock hazard.
11. User shall employ reasonable safeguards to ensure that user’s use of EVMs will not result in any property damage, injury or death,
even if EVMs should fail to perform as described or expected.
12. User shall be solely responsible for proper disposal and recycling of EVMs consistent with all applicable federal, state, and local
requirements.
Certain Instructions. User shall operate EVMs within TI’s recommended specifications and environmental considerations per the user’s
guide, accompanying documentation, and any other applicable requirements. Exceeding the specified ratings (including but not limited to
input and output voltage, current, power, and environmental ranges) for EVMs may cause property damage, personal injury or death. If
there are questions concerning these ratings, user should contact a TI field representative prior to connecting interface electronics including
input power and intended loads. Any loads applied outside of the specified output range may result in unintended and/or inaccurate
operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the applicable EVM user's guide prior
to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During
normal operation, some circuit components may have case temperatures greater than 60°C as long as the input and output are maintained
at a normal ambient operating temperature. These components include but are not limited to linear regulators, switching transistors, pass
transistors, and current sense resistors which can be identified using EVMs’ schematics located in the applicable EVM user's guide. When
placing measurement probes near EVMs during normal operation, please be aware that EVMs may become very warm. As with all
electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in
development environments should use EVMs.
Agreement to Defend, Indemnify and Hold Harmless. User agrees to defend, indemnify, and hold TI, its directors, officers, employees,
agents, representatives, affiliates, licensors and their representatives harmless from and against any and all claims, damages, losses,
expenses, costs and liabilities (collectively, "Claims") arising out of, or in connection with, any handling and/or use of EVMs. User’s
indemnity shall apply whether Claims arise under law of tort or contract or any other legal theory, and even if EVMs fail to perform as
described or expected.
Safety-Critical or Life-Critical Applications. If user intends to use EVMs in evaluations of safety critical applications (such as life support),
and a failure of a TI product considered for purchase by user for use in user’s product would reasonably be expected to cause severe
personal injury or death such as devices which are classified as FDA Class III or similar classification, then user must specifically notify TI
of such intent and enter into a separate Assurance and Indemnity Agreement.
RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION MODULES
Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying hardware that is marketed, sold,
or loaned to users may or may not be subject to radio frequency regulations in specific countries.
General Statement for EVMs Not Including a Radio
For EVMs not including a radio and not subject to the U.S. Federal Communications Commission (FCC) or Industry Canada (IC)
regulations, TI intends EVMs to be used only for engineering development, demonstration, or evaluation purposes. EVMs are not finished
products typically fit for general consumer use. EVMs may nonetheless generate, use, or radiate radio frequency energy, but have not been
tested for compliance with the limits of computing devices pursuant to part 15 of FCC or the ICES-003 rules. Operation of such EVMs may
cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may
be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: For EVMs including a radio, the radio included in such EVMs is intended for development and/or
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U.S. Federal Communications Commission Compliance
For EVMs Annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications could void the user's authority to operate the equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at its own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Industry Canada Compliance (English)
For EVMs Annotated as IC – INDUSTRY CANADA Compliant:
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs Including Radio Transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs Including Detachable Antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Canada Industry Canada Compliance (French)
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2014, Texas Instruments Incorporated
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Important Notice for Users of EVMs Considered “Radio Frequency Products” in Japan
EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of Japan.
If user uses EVMs in Japan, user is required by Radio Law of Japan to follow the instructions below with respect to EVMs:
1.
2.
3.
Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use EVMs only after user obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or
Use of EVMs only after user obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect
to EVMs. Also, do not transfer EVMs, unless user gives the same notice above to the transferee. Please note that if user does not
follow the instructions above, user will be subject to penalties of Radio Law of Japan.
http://www.tij.co.jp
【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 本開発キットは技術基準適合証明を受けておりません。 本製品の
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1.
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電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。。
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