Evaluation Board User Guide
UG-470
One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the AD5143 Potentiometer
FEATURES
GENERAL DESCRIPTION
Full featured evaluation board in conjunction with low
voltage digiPOT motherboard (EVAL-MB-LV-SDZ)
Various test circuits
Various ac/dc input signals
PC control via a separately purchased system demonstration
platform (SDP-B or SDP-S)
PC software for control
This user guide describes the evaluation board for evaluating the
AD5143—a quad-channel, 256-position, nonvolatile memory,
digital potentiometer. With versatile programmability, the AD5143
allows multiple modes of operation, including read/write access
in the RDAC and EEMEM registers, increment/decrement of
resistance, resistance changes in ±6 dB scales, wiper setting readback, and extra EEMEM for storing user-defined information,
such as memory data for other components or a lookup table.
PACKAGE CONTENTS
EVAL-AD5143DBZ board
EVAL-MB-LV-SDZ motherboard
CD that includes
Self-installing software that allows users to control the
board and exercise all functions of the device
Electronic version of the AD5143 data sheet
Electronic version of the UG-470 user guide
The AD5143 supports a dual-supply ±2.25 V to ±2.75 V operation
and a single-supply 2.3 V to 5.5 V operation, making the device
suitable for battery-powered applications and many other applications. In addition, the AD5143 can be configured as a
versatile I2C or SPI serial interface. The EVAL-AD5143DBZ can
operate in single-supply or dual-supply mode and incorporates
an internal power supply from the USB.
Complete specifications for the AD5143 part can be found in
the AD5143 data sheet, which is available from Analog Devices,
Inc., and should be consulted in conjunction with this user
guide when using the evaluation board.
11007-001
EVAL-AD5143DBZ WITH MOTHERBOARD AND SDP-S
Figure 1. Digital Picture of Evaluation Board with Low Voltage DigiPOT Motherboard and System Demonstration Platform
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
Rev. 0 | Page 1 of 20
UG-470
Evaluation Board User Guide
TABLE OF CONTENTS
Features .............................................................................................. 1
Evaluation Board Software ...............................................................8
Package Contents .............................................................................. 1
Installing the Software ..................................................................8
General Description ......................................................................... 1
Software Operation .................................................................... 10
EVAL-AD5143DBZ with Motherboard and SDP-S ..................... 1
Evaluation Board Schematics and Artwork ................................ 11
Revision History ............................................................................... 2
Motherboard ............................................................................... 11
Evaluation Board Hardware ............................................................ 3
Daughter Board .......................................................................... 15
Power Supplies .............................................................................. 3
Ordering Information .................................................................... 17
Digital Interface ............................................................................ 4
Bill of Materials ........................................................................... 17
Test Circuits................................................................................... 4
REVISION HISTORY
10/12—Revision 0: Initial Version
Rev. 0 | Page 2 of 20
Evaluation Board User Guide
UG-470
EVALUATION BOARD HARDWARE
Link Options
POWER SUPPLIES
The EVAL-MB-LV-SDZ motherboard supports using single and
dual power supplies.
The EVAL-AD5143DBZ evaluation board can be powered either
from the SDP port or externally by the J1 and J2 connectors, as
described in Table 1.
All supplies are decoupled to ground using 10 µF tantalum and
0.1 µF ceramic capacitors.
Table 1. Maximum and Minimum Voltages of the Connectors
Connector No.
J1-1
Label
VDD
J1-2
J1-3
AGND
VSS
J2-1
J2-2
VLOGIC
DGND
Voltage
Analog positive power supply, VDD.
Single supply from 2.3 V to 5.5 V.
Dual supply from 2.25 V to 2.75 V.
Analog ground.
Analog negative power supply, VSS.
Dual supply from −2.25 V to −2.75 V.
Digital supply, from 1.8 V to VDD.
Digital ground.
Several link and switch options are incorporated in the EVALMB-LV-SDZ motherboard and should be set up before using
the board. Table 2 describes the positions of the links to control
the evaluation board via the SDP board using a PC. The
functions of these link options are described in detail in Table 3
through Table 6.
Table 2. Link Options Setup for SDP Control (Default)
Link No.
A5
A11
A12
Option
+3V3
3.3 V
AGND
Table 3. Link Functions
Link No.
A5
Power Supply
VLOGIC
A11
VDD
A12
VSS
Options
This link selects one of the following as the digital supply:
+3V3 (3.3 V from SDP).
VLOGIC EXT (external supply from the J2 connector).
This link selects one of the following as the positive power supply:
+5 V (5 V from SDP).
3V3 (3.3 V from SDP).
VDD (external supply from the J1 connector).
This link selects one of the following as the negative power supply:
AGND.
EXTVSS (external supply from the J1 connector).
Rev. 0 | Page 3 of 20
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Evaluation Board User Guide
DIGITAL INTERFACE
However, by using the R34 and R35 external resistors, the user
can reduce the voltage of the voltage references. In this case, use
the A1 and B1 test points to measure the voltage applied to the
A and B terminals and to recalculate VA and VB in Equation 1.
The EVAL-AD5143DBZ can be configured as an I2C or SPI
digital interface, depending on the position in the A1 jumper.
If the part is configured in I2C mode, the ADDR0 and ADDR1
jumpers select the I2C address.
Table 4. DAC Voltage References
Terminal
A1
TEST CIRCUITS
The EVAL-AD5143DBZ and EVAL-MB-LV-SDZ incorporate
several test circuits to evaluate the performance of the AD5143.
Link
A9
Options
AC+
VDD
DAC
The redundant disk array controller (RDAC) can be operated as
a digital-to-analog converter (DAC), as shown in Figure 2.
W1
BUF-W1
B1
A10
BIAS
Table 4 shows the options available for the voltage references.
VSS
The output voltage is defined in Equation 1.
VOUT = (VA − VB ) ×
RDAC1
256
AGND
(1)
where:
RDAC1 is the code loaded in the RDAC1 register.
VA is the voltage applied to the A terminal (A9 link).
VB is the voltage applied to the B terminal (A10 link).
VDD
2
AC+
VDD
VDD
R34
RDAC1
A1
A1
W1
W1
VOUT1
BUF-W1
B1
B1
R35
VDD
BIAS
2
VSS
VSS
11007-002
AGND
Figure 2. DAC
Rev. 0 | Page 4 of 20
Description
Connects Terminal A1 to
VDD/2
Connects Terminal A1 to
VDD
Connects Terminal W1 to
an output buffer
Connects Terminal B1 to
VDD/2
Connects Terminal B1 to
VSS
Connects Terminal B1 to
analog ground
Evaluation Board User Guide
UG-470
AC Signal Attenuation
Table 5. AC Signal Attenuation Link Options
The RDAC can be used to attenuate an ac signal, which must be
provided externally using the AC_INPUT connector, as shown
in Figure 3.
Voltage
Supply
Single
Depending on the voltage supply rails and the dc offset voltage
of the ac signal, various configurations can be used as described
in Table 5.
Maximum
AC Signal
Amplitude
VDD
Link
A9
Options
AC+
A10
AC
BIAS
A9
GND
AC+
A10
AC
GND
The signal attenuation is defined in Equation 2.
R + RW
Attenuation (dB) = 20 × log WB1
R AB
(2)
where:
RW is the wiper resistance.
RAB is the end-to-end resistance value.
RWB1 is the resistor between the W1 and B1 terminals.
Dual
VDD/VSS
VSS
1
1kHz
Recommended to ensure optimal total harmonic distortion (THD) performance.
VDD
2
HPF
AC+
AC
AC_INPUT
R34
RDAC1
A1
A1
W1
W1
VOUT1
BUF-W1
B1
B1
R35
VDD
BIAS
2
VSS
Conditions
No dc offset voltage;
the ac signal is
outside the voltage
supply rails due to
the dc offset voltage;
or the dc offset
voltage ≠ VDD/2.1
All other conditions.
Use in conjunction
with the AC+ link.
All other conditions.
The ac signal is
outside the voltage
supply rails due to
the dc offset voltage;
the dc offset
voltage ≠ 0 V.1
All other conditions.
Use in conjunction
with the AC+ link.
All other conditions.
AGND
Figure 3. AC Signal Attenuator
Rev. 0 | Page 5 of 20
11007-003
VSS
Evaluation Board User Guide
Signal Amplifier
The RDAC can be operated as an inverting or noninverting
signal amplifier supporting linear or pseudologarithmic gains.
Table 6 shows the available configurations.
C1
10nF
A2
B2
W2
R43
A2
B2
R42
RDAC2
RWB2
R AW2
(3)
The inverting amplifier with linear gain is shown in Figure 6,
and the gain is defined in Equation 5.
R41
1.7kΩ
Note that the input signal, VIN, must be negative.
VOUT2
B2
R42
RDAC2
RWB2
R AW2
(5)
where:
RWB2 is the code loaded for the RWB2 resistance.
RAW2 is the code loaded for the RAW2 resistance.
B2
W2
A2
11007-004
A2
G=−
C1
10nF
W2
Figure 4. Linear Noninverting Amplifier
R41
1.7kΩ
R43 and R42 can be used to set the maximum and minimum
gain limits.
VOUT2
The noninverting amplifier with pseudologarithmic gain is
shown in Figure 5, and the gain is defined in Equation 4.
RDAC2
G =1+
256 − RDAC2
C1
10nF
W2
A2
(4)
VIN
R43
W2
A2
RDAC2
B2
B2
R42
11007-006
VIN
Figure 5. Pseudologarithmic Noninverting Amplifier
R43 and R42 can be used to set the maximum and minimum
gain limits.
where:
RWB2 is the code loaded for the RWB2 resistance.
RAW2 is the code loaded for the RAW2 resistance.
R43
VOUT2
W2
The noninverting amplifier with linear gain is shown in Figure 4,
and the gain is defined in Equation 3.
G =1+
R41
1.7kΩ
VIN
11007-005
UG-470
Figure 6. Linear Inverting Amplifier
where:
RDAC2 is the code loaded in the RDAC2.
Table 6. Amplifier Selection Link Options
Amplifier
Noninverting
Gain
Linear
Pseudologarithmic
Inverting
Linear
Pseudologarithmic
Link
A7
A6
A8
A7
A6
A8
A7
A6
A8
A7
A6
A8
Label
LIN
N-INV
N-INV
LOG
N-INV
N-INV
LIN
INV
INV
LOG
INV
INV
Rev. 0 | Page 6 of 20
Linear Setting Gain Mode Enabled
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
No
Evaluation Board User Guide
UG-470
Output Buffers
R43 and R42 can be used to set the maximum and minimum
gain limits.
The inverting amplifier with pseudologarithmic gain is shown
in Figure 7 and the gain is defined in Equation 6.
RDAC3 and RDAC4 can be connected to an output buffer as
shown Figure 8 and Figure 9.
RDAC3
W3
RDAC2
G=−
256 − RDAC2
(6)
W3
VOUT3
BUF-3
where:
RDAC2 is the code loaded in the RDAC2.
11007-008
B3
B3
Figure 8. RDAC3
R41
1.7kΩ
VOUT2
RDAC4
W4
C1
10nF
W2
W4
VOUT4
BUF-4
R43
B2
W2
A2
RDAC2
B2
R42
NOTES
1. R43 AND R42 CAN BE USED TO SET THE
MAXIMUM AND MINIMUM GAIN LIMITS.
B4
Figure 9. RDAC4
11007-007
VIN
11007-009
B4
A2
Figure 7. Pseudologarithmic Inverting Amplifier
Rev. 0 | Page 7 of 20
UG-470
Evaluation Board User Guide
EVALUATION BOARD SOFTWARE
INSTALLING THE SOFTWARE
The EVAL-AD5143DBZ kit includes a CD containing the
evaluation board software. The software is compatible with
Windows® XP, Windows Vista, and Windows 7 (both 32 bits
and 64 bits).
2.
Install the software before connecting the SDP board to the USB
port of the PC to ensure that the SDP board is recognized when
it is connected to the PC.
Start > Control Panel > Add or Remove Programs >
AD5143 Eval Board.
If the SDP board is not connected to the USB port when
the software is launched, a connectivity error displays (see
Figure 10). Simply connect the evaluation board to the
USB port of the PC, wait a few seconds, click Rescan, and
follow the instructions.
1.
2.
3.
4.
5.
Start the Windows operating system and insert the CD into
the CD-ROM drive.
The installation software opens automatically. If it does not
open automatically, run the setup.exe file from the CD.
After installation is completed, power up the evaluation
board as described in the Power Supplies section.
Connect the EVAL-AD5143DBZ and EVAL-MB-LV-SDZ
to the SDP board, and connect the SDP board to the PC
using the USB cable included with the SDP board.
When the software detects the evaluation board, follow the
instructions that appear to finalize the installation.
11007-010
To install the software,
Figure 10. Pop-Up Window Error
The main window of the EVAL-AD5143DBZ software then
opens, as shown in Figure 11.
To run the program, do the following:
1.
Click Start > All Programs > Analog Devices > AD5143
> AD5143 Eval Board. To uninstall the program, click
Rev. 0 | Page 8 of 20
UG-470
11007-011
Evaluation Board User Guide
Figure 11. EVAL-AD5143DBZ Software Main Window
Rev. 0 | Page 9 of 20
Evaluation Board User Guide
UG-470
SOFTWARE OPERATION
The main window of the EVAL-AD5143DBZ software has two
tabs, Visual Mode and Manual Control.
Visual Mode
The Visual Mode tab is divided into the following sections:
ALL CHANNELS COMMANDS, INDIVIDUAL CHANNEL
COMMANDS, and a block diagram that contains boxes for
changing the control register values and buttons and for controlling
the hardware pins.
value in its respective block within the diagram. In addition,
buttons are available that allow you to change the level of some
hardware pins.
Manual Mode
The Manual Mode tab, as shown in Figure 12, allows you to
customize an I2C data-word by manually switching the scroll
bars from 0 to 1 or from 1 to 0, as desired, and then clicking
SEND DATA.
The INDIVIDUAL CHANNEL COMMANDS section allows
you to send quick commands to only specific channels of
the AD5143.
The block diagram allows you to update the control register
status. Each register value can be easily updated by changing the
Rev. 0 | Page 10 of 20
11007-022
The ALL CHANNELS COMMANDS section allows you to
send quick commands directly to the AD5143.
Figure 12. Manual Mode
Evaluation Board User Guide
UG-470
EVALUATION BOARD SCHEMATICS AND ARTWORK
11007-012
MOTHERBOARD
Figure 13. SDP Connector and Power Supply
Rev. 0 | Page 11 of 20
UG-470
Evaluation Board User Guide
11007-013
Figure 14. Schematic of Test Circuits
Rev. 0 | Page 12 of 20
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11007-014
Evaluation Board User Guide
Figure 15. Schematic of Connectors to Daughter Board
Rev. 0 | Page 13 of 20
Evaluation Board User Guide
11007-015
UG-470
11007-016
Figure 16. Component Side View of Motherboard
11007-017
Figure 17. Component Placement Drawing of Motherboard
Figure 18. Layer 2 Side PCB Drawing of Motherboard
Rev. 0 | Page 14 of 20
Figure 19. Schematic of Daughter Board
ADDR0
B4
W4
B3
W3
B2
W2
A2
B1
A1
11 B4
10 W4
5 B3
4 W3
9 B2
8 W2
7 A2
3 B1
2 W1
VSS
GND
ADDR
SCL
SDA
VDD
AD5143
6
16
15
13
14
12
ADDR0
SCL
SDA
DGND
VLOGIC
VSS
DGND
VDD
VLOGIC
VSS
10UF
+ C4
VDD
C3
10UF
+ C2
0.1UF
0.1UF
C1
SYNC
SDO
SDI
SCLK
J1-7
J1-8
SCL
J1-6
SDA
J1-4
J1-5
ADDR1
J1-3
ADDR0
J1-2
J1-1
DGND
DIS
J3-4
W1
B
A
RESET
J3-1
J4-1
WP
J3-2
J4-2
VLOGIC
LRDAC
J3-3
AGND
J4-3
INDEP
A3
W3
B3
A4
W4
B4
J3-5
J4-5
J4-4
VSS
Rev. 0 | Page 15 of 20
VDD
U1
1 A1
J2-1
J2-3
J2-5
J2-7
J2-9
J2-11
J2-2
J2-4
J2-6
J2-8
J2-10
J2-12
A1
W1
B1
A2
W2
B2
11007-018
A1
Evaluation Board User Guide
UG-470
DAUGHTER BOARD
Evaluation Board User Guide
11007-019
UG-470
11007-020
Figure 20. Component Side View of Daughter Board
Figure 21. Component Placement Drawing of Daughter Board
2
3
4
5
1
2
1
1
1
2
12
11
2
10
8
17
14
15
7
6
16
1
2
4
5
6
7
8
5
1
4
2
3
9
13
3
1
2
3
4
3
5
9
10
6
11
12
7
2
1
1
1
2
3
4
5
11007-021
2
8
Figure 22. Layer 2 Side PCB Drawing of Daughter Board
Rev. 0 | Page 16 of 20
Evaluation Board User Guide
UG-470
ORDERING INFORMATION
BILL OF MATERIALS
Table 7. Motherboard
Qty
3
3
5
1
2
1
1
1
2
17
1
1
1
1
1
1
3
5
1
8
4
2
4
2
1
1
1
1
1
1
1
1
1
18
5
1
Reference Designator
BUF-3, BUF-4, BUF-W1
A6, A7, A8
A5, A9, A10, A11, A12
J1
J7, J8
J4
J10
J5
J2, J3
R1, R3, R6, R7, R8, R9, R10, R11, R12,
R13, R20, R22, R23, R34, R35, R42,
R43
R2
R41
R21
R38
R14
R4
R5, R25, R26
R15, R16, R17, R18, R19
C1
C4, C9, C10, C11, C12, C17, C19, C21
C2, C6, C7, C14
C8, C13
C18, C20, C22, C5
C3, C15
C16
C34
L2
D1
U1
U2
U3
U4
U5
LRDAC, RESET, SYNC, WP, A1, A2,
A3, A4, AGND, B1, VOUT_C1,
VOUT_C2, VOUT3, VOUT4, W1, W2,
W3, W4
+3.3V , +5V, EXT_VDD, VLOGIC,
EXT_VSS
Description
2-pin (0.1" pitch) header and shorting shunt
3-pin SIL header and shorting link
6-pin (3 × 2), 0.1" header and shorting block
3-pin terminal block (5 mm pitch)
4-pin SIL header
Receptacle, 0.6 mm, 120-way
8-pin inline header; 100 mil centers
12-pin (2 × 6), 0.1" pitch header
2-pin terminal block (5 mm pitch)
SMD resistor, 0 Ω, 0.01, 0603
Supplier 1/Part Number
FEC 1022247 and 150-411
FEC 1022248 and 150410
FEC 148-535 and 150-411 (36-pin strip)
FEC 151790
FEC 1098035
Digi-Key H1219-ND
FEC 1098038
FEC 1098051
FEC 151789
FEC 9331662
SMD resistor, 2.2 kΩ, 0.01, 0603
SMD resistor, 1.7 kΩ, 1% ,0603
Resistor, surge, 1.6 Ω, 1%, 0603
SMD resistor, 2.7 kΩ, 1%, 0603
SMD resistor, 100 Ω, 1%, 0603
SMD resistor, 1 kΩ, 0.01, 0603
SMD resistor, 100 kΩ, 1%, 0603
SMD resistor, 33 kΩ, 1%, 0603
SMD capacitor, 100 nF, (10%, 0805
SMD capacitor, 0.1 µF, ±10%, 0603
SMD capacitor, 0.1 µF, ±10%, 0603
SMD capacitor, 10 µF, ±10%
Capacitor, 10 µF, ±20%
Capacitor, 470 nF, ±10%, 0603
Capacitor, 4.7 nF, ±10%, 0603
Capacitor, 4.7 nF, ±20%
Inductor, SMD, 600Z
Green SMD LED
Two-port level translating bus switch
Dual op amp
Precision low dropout voltage regulator
Operational amplifier
I2C serial EEPROM 64k 2.5 V MSOP-8
Terminal, PCB, black, PK100, test point
FEC 1750676
FEC 1170811
FEC 1627674
FEC 1750678
FEC 9330364
FEC 9330380
FEC 9330402
FEC 9331034
FEC 165-0863
FEC 1759122
FEC 301-9482
FEC 197-130
FEC 1190107
FEC 1414037
FEC 1414642
FEC 1432350
FEC 9526862
FEC 5790852
ADG3247BCPZ
AD8652ARZ
ADP3303ARZ-3.3
AD8618ARZ
FEC 1331335
FEC 8731128
Terminal, PCB, red, PK100, test point
FEC 8731144
FEC refers to Farnell Electronic Component Distributors; Digi-Key refers to Digi-Key Corporation.
Rev. 0 | Page 17 of 20
UG-470
Evaluation Board User Guide
Table 8. Daughter Board
Qty
1
1
2
2
1
1
2
1
Reference Designator
U1
A1
C2, C4
C1, C3
J1
J2
J3, J4
Description
256-position digital potentiometer
3-pin SIL header and shorting link
6.3 V tantalum capacitor (Case A), 10 µF, ±20%
50 V, X7R ceramic capacitor, 0.1 µF, ±10%
Header, 2.54 mm, PCB, 1 × 8-way
12-pin (2 × 6), 0.1" pitch header
5-pin SIL header
FEC refers to Farnell Electronic Component Distributors.
Rev. 0 | Page 18 of 20
Supplier 1/Part Number
AD5143BCPZ10
FEC 1022248 and 150410
FEC 1190107
FEC 1759122
FEC 1766172
FEC 1804099
FEC 1929016
Evaluation Board User Guide
UG-470
NOTES
Rev. 0 | Page 19 of 20
UG-470
Evaluation Board User Guide
NOTES
I2C refers to a communications protocol originally developed by Philips Semiconductors (now NXP Semiconductors).
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection
circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
Legal Terms and Conditions
By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal,
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term
“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may
not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board.
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice
to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO
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