AD8555

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

Electrical Specifications ................................................................... 3

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

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

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

Theory of Operation ...................................................................... 17

Gain Values.................................................................................. 18

Open Wire Fault Detection ....................................................... 19

Shorted Wire Fault Detection ................................................... 19

Floating VPOS, VNEG, or VCLAMP Fault Detection........... 19

Device Programming................................................................. 19

Filtering Function....................................................................... 25

Driving Capacitive Loads.......................................................... 25

RF Interference ........................................................................... 26

Single-Supply Data Acquisition System .................................. 26

Using the AD8555 with Capacitive Sensors ........................... 27

Outline Dimensions ....................................................................... 28

Ordering Guide .......................................................................... 28

REVISION HISTORY

4/04—Revision 0: Initial Version