AD5173BRM100-RL7 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

AD5173BRM100-RL7

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

Analog Devices 

AD5172/AD5173

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagrams............................................................. 1

General Description ......................................................................... 1

Revision History ............................................................................... 3

Specifications..................................................................................... 4

Electrical Characteristics: 2.5 kΩ ............................................... 4

Electrical Characteristics: 10 kΩ, 50 kΩ, and 100 kΩ ............. 5

Timing Characteristics ................................................................ 7

Absolute Maximum Ratings............................................................ 8

ESD Caution.................................................................................. 8

Pin Configurations and Function Descriptions ........................... 9

Typical Performance Characteristics ........................................... 10

Test Circuits..................................................................................... 15

Theory of Operation ...................................................................... 16

One-Time Programming (OTP) .............................................. 16

Data Sheet

Programming the Variable Resistor and Voltage ................... 16

Programming the Potentiometer Divider ............................... 17

ESD Protection ........................................................................... 18

Terminal Voltage Operating Range ......................................... 18

Power-Up Sequence ................................................................... 18

Power Supply Considerations ................................................... 18

Layout Considerations............................................................... 19

I2C Interface .................................................................................... 20

Write Mode ................................................................................. 20

Read Mode .................................................................................. 20

I2C Controller Programming .................................................... 21

I2C-Compatible, 2-Wire Serial Bus .......................................... 22

Level Shifting for Different Voltage Operation ...................... 23

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 25

Rev. I | Page 2 of 28

Share Link: