AD8557

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 5

Thermal Resistance ...................................................................... 5

ESD Caution.................................................................................. 5

Pin Configurations and Function Descriptions ........................... 6

Typical Performance Characteristics ............................................. 7

Theory of Operation ...................................................................... 14

Gain Values ................................................................................. 15

Open Wire Fault Detection....................................................... 16

Shorted Wire Fault Detection................................................... 16

Floating VPOS, VNEG, or VCLAMP Fault Detection ......... 16

Device Programming................................................................. 16

Outline Dimensions....................................................................... 21

Ordering Guide .......................................................................... 22

Automotive Products................................................................. 22

REVISION HISTORY

6/11—Rev. B to Rev. C

Added EPAD Note to Figure 3 and Table 5................................... 6

Changes to Open Wire Fault Detection Section and Table 8 ... 16

7/10—Rev. A to Rev. B

Changes to Features Section and Figure 1..................................... 1

Changes to Figure 45...................................................................... 14

Changes to Simulation Mode Section and Programming

Mode Section................................................................................... 18

Changes to Ordering Guide .......................................................... 22

Added Automotive Products Section........................................... 22

1/08—Rev. 0 to Rev. A

Changes to Theory of Operation Section.................................... 14

Changes to Determining Optimal Gain and Offset

Codes Section.................................................................................. 20

5/07—Revision 0: Initial Version