AD80066

Rev. A | Page 2 of 20

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

Analog Specifications................................................................... 3

 

Digital Specifications ................................................................... 4

 

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

 

Absolute Maximum Ratings............................................................ 9

 

Thermal Resistance ...................................................................... 9

 

ESD Caution.................................................................................. 9

 

Pin Configuration and Function Descriptions........................... 10

 

Typical Performance Characteristics ........................................... 11

 

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

 

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

 

4-Channel CDS Mode................................................................ 13

 

4-Channel SHA Mode................................................................ 13

 

1-Channel CDS Mode ............................................................... 13

 

1-Channel SHA Mode ............................................................... 13

 

Internal Register Map .................................................................... 14

 

Internal Register Details ................................................................ 15

 

Configuration Register .............................................................. 15

 

Mux Register ............................................................................... 15

 

PGA Gain Registers ................................................................... 15

 

Offset Registers........................................................................... 15

 

Circuit Operation ........................................................................... 17

 

Analog Inputs—CDS Mode ...................................................... 17

 

External Input Coupling Capacitors........................................ 17

 

Analog Inputs—SHA Mode...................................................... 18

 

Programmable Gain Amplifiers (PGA) .................................. 18

 

Applications Information .............................................................. 19

 

Circuit and Layout Recommendations ................................... 19

 

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

 

Ordering Guide .......................................................................... 20

 

REVISION HISTORY

4/10—Revision A: Initial Version