MCP47DA1T-A1E/OT

MCP47DA1 6-Bit Windowed Volatile DAC with Command Code Package Types Features: MCP47DA1 • 6-Bit DAC: - 65 Taps: 64 Resistors with Taps to Full Scale and Zero Scale (Wiper Code 00h to 40h) - 7-bit Serial Data (00h to 7Fh, 00h - 20h = Zero Scale and 60h-7Fh = Full Scale) • VREF Pull-down Resistance: 30 k (typical) • VOUT Voltage Range: - 1/3 * VREF to 2/3 * VREF • I2C™ Protocol: - Supports SMBus 2.0 Write Byte/Word Protocol Formats - Supports SMBus 2.0 Read Byte/Word Protocol Formats - Slave Addresses: 5Ch and 7Ch • Brown-out Reset Protection (1.5V, typical) • Power-on Default Wiper Setting (Mid-scale) • Low-Power Operation: 100 µA Static Current (typ.) • Wide Operating Voltage Range: - 2.7V to 5.5V – Device Characteristics Specified - 1.8V to 2.7V – Device Operation • Low Tempco: 15 ppm (typical) • 100 kHz (typical) Bandwidth (-3 dB) Operation • Extended Temperature Range (-40°C to +125°C) • Small Packages, SOT-23-6, SC70-6 • Lead Free (Pb-free) Package VDD 1 A VSS 2 B W 6 VREF 5 VOUT SCL 3 4 SDA SOT-23-6, SC70-6 Device Block Diagram VSS SDA SCL 10 K Power-up and Brown-out Control VREF A Wiper Register (RAB = 10K) VDD 2-Wire Interface and Control Logic VOUT B 10 K Description: The MCP47DA1 devices are volatile, 6-Bit digital potentiometers with a buffered output. The wiper setting is controlled through an I2C serial interface. The MCP47DA1. I2C slave addresses of “010 1110” and “011 1110” are supported. The MCP47DA1 has a windowed output (1/3 to 2/3 of VREF). Applications: 2 • PC Servers (I C Protocol with Command Code) • Set Point or Offset Trimming • Cost-sensitive Mechanical Trim Pot Replacement 00h - 7Fh 40h 5Ch, 7Ch 1.8V to 5.5V VOUT Range POR/BOR Value 30.0 VDD Operating Range ( 1) Data Value Range 64 I2C™ Slave Address VREF Resistance I2C™ 65 # of Resistors MCP47DA1 # of Taps Device Interface Device Features Package(s) 1/3 VREF to SOT-23-6, SC70-6 2/3 VREF Note 1: Analog characteristics only tested from 2.7V to 5.5V.  2012-2013 Microchip Technology Inc. DS25118D-page 1 MCP47DA1 NOTES: DS25118D-page 2  2012-2013 Microchip Technology Inc. MCP47DA1 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † Voltage on VDD with respect to VSS ......................................................................................................... 0.6V to +7.0V Voltage on SCL, and SDA with respect to VSS ..................................................................................................... -0.6V to VDD + 0.3V Voltage on all other pins (VOUT and VREF) with respect to VSS ..................................................................... -0.3V to VDD + 0.3V Input clamp current, IIK (VI < 0, VI > VDD) .............................................................................................................±20 mA Output clamp current, IOK (VO < 0 or VO > VDD)...................................................................................................±20 mA Maximum output current sunk by any Output pin ...................................................................................................25 mA Maximum output current sourced by any Output pin .............................................................................................25 mA Maximum current out of VSS pin ...........................................................................................................................100 mA Maximum current into VDD pin ..............................................................................................................................100 mA Maximum current into VREF pin..............................................................................................................................250 uA Maximum current sourced by VOUT pin ..................................................................................................................40 mA Maximum current sunk by VREF pin ........................................................................................................................40 mA Package power dissipation (TA = +50°C, TJ = +150°C) SOT-23-6...................................................................................................................................................525 mW SC70-6 ......................................................................................................................................................480 mW Storage temperature ...............................................................................................................................-65°C to +150°C Ambient temperature with power applied ...............................................................................................-40°C to +125°C ESD protection on all pins  6 kV (HBM) 400V (MM)  1.5 kV (CDM) (for SOT-23) 1.5 kV (CDM) (for SC-70) Latch-up (JEDEC JESD78A) at +125°C ............................................................................................................. ±100 mA Soldering temperature of leads (10 seconds) ....................................................................................................... +300°C Maximum Junction Temperature (TJ) ................................................................................................................... +150°C † Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.  2012-2013 Microchip Technology Inc. DS25118D-page 3 MCP47DA1 AC/DC CHARACTERISTICS Standard Operating Conditions (unless otherwise specified) Operating Temperature –40°C  TA  +125°C (extended) DC Characteristics All parameters apply across the specified operating ranges unless noted. VDD = +2.7V to +5.5V. CL = 1 nF, RL = 5 k . Typical specifications represent values for VDD = 5.5V, TA = +25°C. Parameters Sym. Min. Typ. Max. Units Supply Voltage VDD 2.7 — 5.5 V Analog Characteristics specified 1.8 — 5.5 V Digital Characteristics specified — — 1.65 V RAM retention voltage (VRAM) < VBOR VDD Start Voltage to ensure wiper to default Reset state VBOR VDD Rise Rate to ensure Power-on Reset VDDRR Delay after device exits the Reset state (VDD > VBOR) to Digital Interface Active TBORD Delay after device exits the Reset state (VDD > VBOR) to VOUT valid TOUTV Supply Current (Note 6) VREF Input Range Note 1: 2: 3: 4: 5: 6: 7: IDD VREF Note 5 — — Conditions V/ms 1 µS 20 µS Within ± 0.5 LSb of VREF/2 (for default POR/BOR wiper value). — 130 200 µA Serial Interface Active, Write all 0’s to volatile wiper, No Load on VOUT VDD = 5.5V, VREF = 1.5V, FSCL = 400 kHz — 100 160 µA Serial Interface Inactive (Static), (Stop condition, SCL = SDA = VIH), No Load on VOUT Wiper = 0, VDD = 5.5V, VREF = 1.5V 1 — VDD V For VDD  3.0V VREF  VDD For VDD < 3.0V VREF  (VDD - 1.0V)/(2/3) (Note 7) Resistance is defined as the resistance between the VREF pin and the VSS pin. INL and DNL are measured at VOUT from Code = 20h (Zero Scale) through Code = 60h (Full Scale). This specification by design. Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and temperature. POR/BOR is not rate dependent. Supply current is independent of VREF current. See Section 7.1.3. DS25118D-page 4  2012-2013 Microchip Technology Inc. MCP47DA1 AC/DC CHARACTERISTICS (CONTINUED) Standard Operating Conditions (unless otherwise specified) Operating Temperature –40°C  TA  +125°C (extended) DC Characteristics Parameters All parameters apply across the specified operating ranges unless noted. VDD = +2.7V to +5.5V. CL = 1 nF, RL = 5 k . Typical specifications represent values for VDD = 5.5V, TA = +25°C. Sym. Min. Typ. Max. Units Conditions Minimum Output Voltage VOUT(MIN) — VREF / 3 — V Device Output minimum drive Maximum Output Voltage VOUT(MAX) — 2 * VREF/3 — V Device Output maximum drive Output Amplifier Degree (°) CL = 400 pF, RL =  Phase Margin PM — 66 — Slew Rate SR — 0.55 — V/µs Short Circuit Current ISC 5 15 24 mA Settling Time tSETTLING — 6 — µs External Reference (VREF) (Note 3) CVREF — 7 — pF THD — -73 — dB Major Code Transition Glitch — 45 — nV-s Digital Feedthrough — 627@ 1RWH )RUWKHPRVWFXUUHQWSDFNDJHGUDZLQJVSOHDVHVHHWKH0LFURFKLS3DFNDJLQJ6SHFLILFDWLRQORFDWHGDW KWWSZZZPLFURFKLSFRPSDFNDJLQJ b 4 N E E1 PIN 1 ID BY LASER MARK 1 2 3 e e1 D A A2 c φ L A1 L1 8QLWV 'LPHQVLRQ/LPLWV 1XPEHURI3LQV 0,//,0(7(56 0,1 1 120 0$;  3LWFK H %6& 2XWVLGH/HDG3LWFK H %6& 2YHUDOO+HLJKW $  ± 0ROGHG3DFNDJH7KLFNQHVV $  ±   6WDQGRII $  ±  2YHUDOO:LGWK (  ±  0ROGHG3DFNDJH:LGWK (  ±  2YHUDOO/HQJWK '  ±  )RRW/HQJWK /  ±  )RRWSULQW /  ±  )RRW$QJOH  ƒ ± ƒ /HDG7KLFNQHVV F  ±  /HDG:LGWK E  ±  1RWHV  'LPHQVLRQV'DQG(GRQRWLQFOXGHPROGIODVKRUSURWUXVLRQV0ROGIODVKRUSURWUXVLRQVVKDOOQRWH[FHHGPPSHUVLGH  'LPHQVLRQLQJDQGWROHUDQFLQJSHU$60( 1 LSb 001 000 101 Wiper Code 101 Actual transfer function Wiper 100 Code 011 111 110 110 Narrow code < 1 LSb 100 011 010 VOUT Output Voltage Ideal transfer function FIGURE B-5: DNL ACCURACY. 001 000 INL < 0 VOUT Output Voltage FIGURE B-4: DS25118D-page 70 INL ACCURACY.  2012-2013 Microchip Technology Inc. MCP47DA1 B.13 Settling Time The Settling time is the time delay required for the VOUT voltage to settle into its new output value. This time is measured from the start of code transition, to when the VOUT voltage is within the specified accuracy. In the MCP47DA1, the settling time is a measure of the time delay until the VOUT voltage reaches within 0.5 LSb of its final value, when the volatile DAC register changes from 40h to 50h. See Figure 2-89 through Figure 2-92 for Settling Time oscilloscope screen captures. B.14 Major-Code Transition Glitch Major-code transition glitch is the impulse energy injected into the DAC analog output when the code in the DAC register changes state. It is normally specified as the area of the glitch in nV-Sec, and is measured when the digital code is changed by 1 LSb at the major carry transition (Example: wiper code changes from “011111” to “100000”, or from “100000” to “011111”). B.15 Digital Feedthrough The Digital feedthrough is the glitch that appears at the analog output caused by coupling from the digital input pins of the device. The area of the glitch is expressed in nV-Sec, and is measured with a full-scale change (Example: all 0s to all 1s and vice versa) on the digital input pins. The digital feedthrough is measured when the DAC is not writing to the output register.  2012-2013 Microchip Technology Inc. B.16 Power-Supply Rejection Ratio (PSRR) PSRR indicates how the output of the DAC is affected by changes in the supply voltage. PSRR is the ratio of the change in VOUT to a change in VDD for full-scale output of the DAC. The VOUT is measured while the VDD is varied +/- 10%, and expressed in dB or µV/V. B.17 Ratiometric Temperature Coefficient The ratiometric temperature coefficient quantifies the error in the ratio of the resistor setting (Resistance from VREF pin to wiper position (RVREF-W) and the wiper position to Ground (RW-VSS) due to temperature drift. This error also includes the drift of the output driver over temperature. This is typically the critical error when using a DAC. See Figure 2-56 through Figure 2-66 for Tempco characterization graphs. B.18 Absolute Temperature Coefficient The absolute temperature coefficient quantifies the error in the end-to-end output voltage (Nominal output voltage VOUT) due to temperature drift. For a DAC, this error is typically not an issue, due to the ratiometric aspect of the output. Note: Due to the three resistor implementation of the MCP47DA1 (R1, RAB, and R2), R1, RAB and R2 are implemented so that they have a common tempco over-process. DS25118D-page 71 MCP47DA1 NOTES: DS25118D-page 72  2012-2013 Microchip Technology Inc. MCP47DA1 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. PART NO. Device Device: I2C™ X XXX /XX I2C Slave Temperature Package Address Range MCP47DA1: 6-bit Single DAC with I2C interface MCP47DA1T: 6-bit Single DAC with I2C interface (Tape and Reel) Slave Address: A0 = 5Ch A1 = 7Ch Temperature Range: E Package: OT = Plastic Small Outline Transistor (SOT-23), 6-lead LT = Plastic Small Outline Transistor (SC70), 6-lead Examples: a) MCP47DA1-A0E/OT: b) MCP47DA1T-A0E/OT: c) MCP47DA1-A1E/OT: d) MCP47DA1T-A1E/OT: e) MCP47DA1T-A0E/LT: f) MCP47DA1T-A1E/LT: = -40°C to +125°C  2012-2013 Microchip Technology Inc. 6-bit DAC, SOT-23-6, Address = 5Ch. 6-bit DAC, SOT-23-6, Address = 5Ch, Tape and Reel. 6-bit DAC, SOT-23-6, Address = 7Ch. 6-bit DAC, SOT-23-6, Address = 7Ch, Tape and Reel. 6-bit DAC, SC70-6, Address = 5Ch. 6-bit DAC, SC70-6, Address = 7Ch. DS25118D-page 73 MCP47DA1 NOTES: DS25118D-page 74  2012-2013 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, PIC32 logo, rfPIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor, MTP, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. Analog-for-the-Digital Age, Application Maestro, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial Programming, ICSP, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, mTouch, Omniscient Code Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit, PICtail, REAL ICE, rfLAB, Select Mode, SQI, Serial Quad I/O, Total Endurance, TSHARC, UniWinDriver, WiperLock, ZENA and Z-Scale are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. GestIC and ULPP are registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2012-2013, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. ISBN: 9781620770900 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 ==  2012-2013 Microchip Technology Inc. Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 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