AD7376

Rev. D | Page 2 of 20

TABLE OF CONTENTS

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

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

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

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

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

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

Electrical Characteristics—10 kΩ Version................................ 3

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

Timing Specifications .................................................................. 5

3-Wire Digital Interface................................................................... 6

Absolute Maximum Ratings............................................................ 7

ESD Caution.................................................................................. 7

Pin Configurations and Function Descriptions ........................... 8

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

Theory of Operation ...................................................................... 12

Programming the Variable Resistor......................................... 12

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

3-Wire Serial Bus Digital Interface .......................................... 13

Daisy-Chain Operation ............................................................. 14

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

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

Power-Up and Power-Down Sequences.................................. 14

Layout and Power Supply Biasing............................................ 15

Applications Information .............................................................. 16

High Voltage DAC...................................................................... 16

Programmable Power Supply ................................................... 16

Audio Volume Control .............................................................. 17

Outline Dimensions....................................................................... 18

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

REVISION HISTORY

8/11—Rev. C to Rev. D

Changes to Output Logic Low Conditions, Table 1..................... 3

Changes to Output Logic Low Conditions, Table 2..................... 5

Changes to Figure 28...................................................................... 14

Updates Outline Dimensions........................................................ 18

7/09—Rev. B to Rev. C

Changes to Features Section............................................................ 1

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

Changes to Ordering Guide .......................................................... 20

3/07—Rev. A to Rev. B

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

Changes to Absolute Maximum Ratings....................................... 7

Changes to ESD Protection Section............................................. 14

Changes to Ordering Guide .......................................................... 19

11/05—Rev. 0 to Rev. A

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

Deleted DIP Package..........................................................Universal

Changes to Features ..........................................................................1

Separated Electrical Characteristics into Table 1 and Table 2.....3

Separated Interface Timing into Table 3 ........................................5

Changes to Table 1 Through Table 3...............................................3

Added Table 4 ....................................................................................6

Added Figure 2...................................................................................6

Changes to Absolute Maximum Ratings Section..........................7

Deleted Parametric Test Circuits Section.......................................7

Changes to Typical Performance Characteristics..........................9

Added Daisy-Chain Operation Section ...................................... 14

Added ESD Protection Section..................................................... 14

Added Terminal Voltage Operating Range Section................... 14

Added Power-Up and Power-Down Sequences Section........... 14

Added Layout and Power Supply Biasing Section ..................... 15

Added Applications Section.......................................................... 16

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide.......................................................... 19

10/97—Revision 0: Initial Version