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AD5171 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD5171
Description  64-Position OTP Digital Potentiometer
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5171 Datasheet(HTML) 2 Page - Analog Devices

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AD5171
TABLE OF CONTENTS
AD5171—Electrical Characteristics .............................................. 3
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Pin Configuration and Functional Descriptions.......................... 6
Typical Performance Characteristics ............................................. 7
Theory of Operation ...................................................................... 11
One-Time Programming (OTP) .............................................. 11
Determining the Variable Resistance and Voltage ................. 11
Rheostat Mode Operation..................................................... 11
Potentiometer Mode Operation ........................................... 12
ESD Protection ........................................................................... 12
Terminal Voltage Operating Range.......................................... 13
Power-Up/Power-Down Sequences......................................... 13
Power Supply Considerations ................................................... 13
Controlling the AD5171 ............................................................ 14
Software Programming ......................................................... 14
I2C Controller Programming................................................ 15
Controlling Two Devices on One Bus ..................................... 16
Applications..................................................................................... 17
Programmable Voltage Reference (DAC) ............................... 17
Gain Control Compensation .................................................... 17
Programmable Voltage Source with Boosted Output............ 17
Level Shifting for Different Voltage Operation ...................... 17
Resistance Scaling ...................................................................... 17
Resolution Enhancement .......................................................... 18
RDAC Circuit Simulation Model ............................................. 18
AD5171 Evaluation Board ........................................................ 19
Outline Dimensions ....................................................................... 20
Ordering Guide .......................................................................... 20
REVISION HISTORY
Revision 0: Initial Version
Rev. PrC | Page 2 of 20
Preliminary Technical Data


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