link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 5 link to page 5 link to page 7 link to page 7 link to page 7 link to page 8 link to page 10 link to page 18 link to page 19 link to page 20 link to page 20 link to page 20 link to page 20 link to page 26 link to page 28 link to page 28 AD8556Data SheetTABLE OF CONTENTS Features .. 1 Typical Performance Characteristics ..9 Applications ... 1 Theory of Operation .. 17 Functional Block Diagram .. 1 Gain Values ... 18 Revision History ... 2 Open Wire Fault Detection ... 19 General Description ... 3 Shorted Wire Fault Detection ... 19 Specifications ... 4 Floating VPOS, VNEG, or VCLAMP Fault Detection ... 19 Electrical Specifications ... 4 Device Programming ... 19 Absolute Maximum Ratings .. 6 EMI/RFI Performance ... 25 Thermal Resistance .. 6 Outline Dimensions ... 27 ESD Caution .. 6 Ordering Guide .. 27 Pin Configurations and Function Descriptions ... 7 REVISION HISTORY 2/15—Rev. A to Rev. B Changed LFCSP_VQ Package to LFCSP_WQ Package ... Throughout Changes to Applications Section .. 1 Changes to Table 4 .. 7 Changes to Figure 3 .. 8 Added Table 5; Renumbered Sequential y .. 8 Changes to Figure 57 .. 27 Updated Outline Dimensions ... 27 Changes to Ordering Guide .. 27 12/07—Rev. 0 to Rev. A Changes to Features .. 1 Changes to General Description .. 3 Updated Outline Dimensions ... 26 Changes to Ordering Guide .. 26 5/05—Revision 0: Initial Version Rev. B | Page 2 of 27 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS ELECTRICAL 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 Parity Error Detection Read Mode Sense Current Programming Procedure Determining Optimal Gain and Offset Codes EMI/RFI PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE