AD7915/AD7916

Data Sheet

Rev. 0 | Page 2 of 26

TABLE OF CONTENTS

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

 

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

 

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

 

Typical Applications Circuit............................................................ 1

 

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

 

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

 

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

 

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

 

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

 

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

 

Typical Performance Characteristics ............................................. 8

 

Terminology .................................................................................... 12

 

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

 

Circuit Information.................................................................... 13

 

Converter Operation.................................................................. 13

 

Typical Connection Diagram ................................................... 14

 

Analog Inputs.............................................................................. 15

 

Driver Amplifier Choice............................................................ 15

 

Single to Differential Driver ..................................................... 16

 

Voltage Reference Input ............................................................ 16

 

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

 

Digital Interface.......................................................................... 16

 

CS Mode, 3-Wire, Without Busy Indicator ............................ 17

 

CS Mode 3-Wire, with Busy Indicator .................................... 18

 

CS Mode, 4-Wire, Without Busy Indicator ............................ 19

 

CS Mode 4-Wire with Busy Indicator ..................................... 20

 

Chain Mode, Without Busy Indicator ..................................... 21

 

Chain Mode with Busy Indicator ............................................. 22

 

Applications Information .............................................................. 23

 

Interfacing to Blackfin DSP ...................................................... 23

 

Layout .......................................................................................... 23

 

Evaluating AD7915/AD7916 Performance ............................ 24

 

Outline Dimensions ....................................................................... 25

 

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

 

REVISION HISTORY

3/15—Revision 0: Initial Version