AD7873

Rev. D | Page 2 of 28

TABLE OF CONTENTS

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

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

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

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

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

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

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

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

ADC Transfer Function............................................................. 13

Typical Connection Diagram ................................................... 13

Analog Input ............................................................................... 14

Measurements............................................................................. 16

Pen Interrupt Request................................................................ 18

Control Register ......................................................................... 19

Power vs. Throughput Rate....................................................... 20

Serial Interface ............................................................................ 21

Grounding and Layout .................................................................. 23

PCB Design Guidelines for Chip Scale Package .................... 23

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

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

REVISION HISTORY

6/04—Changed from Rev. C to Rev. D

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

Changes to Absolute Maximum Ratings ....................................... 6

Additions to PD0 and PD1 Description ...................................... 21

PBC Guidelines for Chip Scale Package Added ......................... 23

Additions to Ordering Guide........................................................ 25

4/03—Changed from Rev. B to Rev. C

Changes to Formatting ......................................................Universal

Updated Outline Dimensions ....................................................... 19

1/02—Changed from Rev. A to Rev. B

Addition of 16-Lead Lead Frame Chip Scale Package ..Universal

Edits to Features.................................................................................1

Edits to General Description ...........................................................1

Addition of LFCSP Pin Configuration ...........................................4

Edit to Absolute Maximum Ratings................................................4

Addition to Ordering Guide ............................................................4

Addition of CP-16 Outline Dimensions ..................................... 19

2/01—Changed from Rev. 0 to Rev A

Edits to Notes in the Ordering Guide