AD5173BRM2.5-RL7(RevA) Ver la hoja de datos (PDF) - Analog Devices

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AD5173BRM2.5-RL7
(Rev.:RevA)

256-Position One-Time Programmable Dual-Channel I2C Digital Potentiometers

Analog Devices 

AD5172/AD5173

TABLE OF CONTENTS

Electrical Characteristics—2.5 kΩ ................................................. 3

Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions ....... 4

Timing Characteristics—2.5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ Versions

............................................................................................................. 5

Absolute Maximum Ratings............................................................ 6

Typical Performance Characteristics ............................................. 7

Test Circuits..................................................................................... 11

Operation......................................................................................... 12

One-Time Programming (OTP) .............................................. 12

Programming the Variable Resistor and Voltage.................... 12

Programming the Potentiometer Divider ............................... 13

ESD Protection ........................................................................... 14

REVISION HISTORY

Revision A

11/03—Data Sheet Changed from Rev. 0 to Rev. A

Change

Location

Changes to Electrical Characteristics—2.5 kΩ......................... 3

Terminal Voltage Operating Range.......................................... 14

Power-Up Sequence ................................................................... 14

Power Supply Considerations................................................... 14

Layout Considerations............................................................... 15

Evaluation Software/Hardware..................................................... 16

Software Programming ............................................................. 16

I2C Interface .................................................................................... 18

I2C Compatible 2-Wire Serial Bus ........................................... 20

Pin Configuration and Function Descriptions........................... 22

Outline Dimensions ....................................................................... 23

Ordering Guide............................................................................... 24

Rev. A | Page 2 of 24

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