link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 5 link to page 5 link to page 5 link to page 6 link to page 6 link to page 14 link to page 15 link to page 16 link to page 16 link to page 16 link to page 16 link to page 21 link to page 22 link to page 22 AD8557Data SheetTABLE OF CONTENTS Features .. 1 Theory of Operation .. 14 Applications ... 1 Gain Values ... 15 Functional Block Diagram .. 1 Open Wire Fault Detection ... 16 General Description ... 1 Shorted Wire Fault Detection ... 16 Revision History ... 2 Floating VPOS, VNEG, or VCLAMP Fault Detection ... 16 Specifications ... 3 Device Programming ... 16 Absolute Maximum Ratings .. 5 Outline Dimensions ... 21 Thermal Resistance .. 5 Ordering Guide .. 22 ESD Caution .. 5 Automotive Products ... 22 Pin Configurations and Function Descriptions ... 6 Typical Performance Characteristics ... 7 REVISION HISTORY5/16—Rev. C to Rev. D Changed CP-16-10 to CP-16-20 .. Throughout Changes to Figure 3 and Table 5 ... 6 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 22 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 Rev. D | Page 2 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION GAIN VALUES OPEN WIRE FAULT DETECTION SHORTED WIRE FAULT DETECTION FLOATING VPOS, VNEG, OR VCLAMP FAULT DETECTION DEVICE PROGRAMMING Digital Interface Initial State Simulation Mode Programming Mode Read Mode Sense Current Programming Procedure Determining Optimal Gain and Offset Codes OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS