link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 6 link to page 8 link to page 8 link to page 8 link to page 9 link to page 10 link to page 14 link to page 15 link to page 15 link to page 15 link to page 16 link to page 16 link to page 17 link to page 18 link to page 19 link to page 20 link to page 20 link to page 23 link to page 23 link to page 23 link to page 24 link to page 24 AD7961Data SheetTABLE OF CONTENTS Features .. 1 Circuit Information .. 14 Applications ... 1 Converter Information .. 14 Functional Block Diagram .. 1 Transfer Function ... 15 General Description ... 1 Analog Inputs ... 15 Revision History ... 2 Typical Applications ... 16 Specifications ... 3 Voltage Reference Options .. 17 Timing Specifications .. 5 Power Supply ... 18 Absolute Maximum Ratings .. 7 Digital Interface .. 19 Thermal Resistance .. 7 Conversion Control ... 19 ESD Caution .. 7 Applications Information .. 22 Pin Configuration and Function Descriptions ... 8 Layout .. 22 Typical Performance Characteristics ... 9 Evaluating AD7961 Performance ... 22 Terminology .. 13 Outline Dimensions ... 23 Theory of Operation .. 14 Ordering Guide .. 23 REVISION HISTORY3/14—Rev. A to Rev. B Changes to Table 4 .. 7 Deleted Table 6; Renumbered Sequentially .. 7 Changes to Figure 19 .. 11 11/13—Rev. 0 to Rev. A Change to Table 1 ... 1 Changes to Table 2 .. 3 Change to Table 3 ... 5 Changes to Table 4 .. 7 Added Table 6; Renumbered Sequentially .. 7 Change to Figure 4 ... 8 Changes to Figure 32 .. 16 Change to Voltage Reference Options Section ... 17 8/13—Revision 0: Initial Version Rev. B | Page 2 of 24 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Information Transfer Function Analog Inputs Typical Applications Voltage Reference Options Wake-Up Time from Power-Down and Snooze Modes Power Supply Power-Up Digital Interface Conversion Control Echoed Clock Interface Mode Self Clocked Mode Applications Information Layout Evaluating AD7961 Performance Outline Dimensions Ordering Guide