AD5161(Rev0) 查看數據表（PDF） - Analog Devices

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AD5161
(Rev.:Rev0)

256-Position SPI/I2C Selectable Digital Potentiometer

Analog Devices 

AD5161

TABLE OF CONTENTS

Electrical Characteristics—5 kΩ Version ...................................... 3

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

Timing Characteristics—5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ Versions 5

Absolute Maximum Ratings1 .......................................................... 6

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

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

SPI Interface .................................................................................... 12

I2C Interface..................................................................................... 13

Operation......................................................................................... 14

Programming the Variable Resistor ......................................... 14

Programming the Potentiometer Divider ............................... 15

Pin Selectable Digital Interface................................................. 15

REVISION HISTORY

Revision 0: Initial Version

Level Shifting for Bidirectional Interface ................................ 17

ESD Protection ........................................................................... 17

Terminal Voltage Operating Range.......................................... 17

Power-Up Sequence ................................................................... 17

Layout and Power Supply Bypassing ....................................... 17

Pin Configuration and Function Descriptions........................... 18

Pin Configuration ...................................................................... 18

Pin Function Descriptions ........................................................ 18

Outline Dimensions ....................................................................... 19

Ordering Guide .......................................................................... 19

ESD Caution................................................................................ 19

Rev. 0 | Page 2 of 20

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