AD5301/AD5311/AD5321

Data Sheet

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

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

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

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

Specifications..................................................................................... 3

AC Characteristics........................................................................ 5

Timing Characteristics ................................................................ 5

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

ESD Caution.................................................................................. 6

Pin Configurations and Function Descriptions ........................... 7

Terminology ...................................................................................... 8

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 13

Digital-to-Analog ....................................................................... 13

Resistor String............................................................................. 13

Output Amplifier........................................................................ 13

Power-On Reset.......................................................................... 13

Serial Interface ................................................................................ 14

2-Wire Serial Bus........................................................................ 14

Input Shift Register .................................................................... 14

Write Operation.......................................................................... 15

Read Operation........................................................................... 16

Power-Down Modes .................................................................. 17

Applications Notes ......................................................................... 18

Using the REF193/REF195 as a Power Supply ........................ 18

Bipolar Operation Using the AD5301/ AD5311/AD5321.... 18

Multiple Devices on One Bus ................................................... 18

CMOS Driven SCL and SDA Lines.......................................... 18

Power Supply Decoupling ......................................................... 19

Outline Dimensions....................................................................... 20

Ordering Guide .......................................................................... 21

REVISION HISTORY

6/2016—Rev. B to Rev. C

Changes to Figure 33 and Figure 34............................................. 16

Changes to Ordering Guide .......................................................... 22

3/2007—Rev. A to Rev. B

Updated Format..................................................................Universal

Changes to Table 4............................................................................ 6

Changes to Figure 4 Caption........................................................... 7

Updated Outline Dimensions....................................................... 20

Changes to Ordering Guide .......................................................... 21

11/2003—Rev. 0 to Rev. A

Changes to Ordering Guide ............................................................ 4

Updated Outline Dimensions....................................................... 15

7/1999—Revision 0: Initial Version