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 7 link to page 7 link to page 8 link to page 9 link to page 10 link to page 13 link to page 13 link to page 13 link to page 13 link to page 14 link to page 14 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 16 link to page 17 link to page 17 AD7694Data SheetTABLE OF CONTENTS Features .. 1 Converter Operation .. 12 Applications ... 1 Transfer Functions ... 12 General Description ... 1 Typical Connection Diagram ... 13 Application Diagram .. 1 Analog Input ... 13 Revision History ... 2 Driver Amplifier Choice ... 13 Specifications ... 3 Voltage Reference Input .. 14 Timing Specifications ... 5 Power Supply ... 14 Absolute Maximum Ratings .. 6 Supplying the ADC from the Reference .. 14 ESD Caution .. 6 Digital Interface .. 15 Pin Configuration and Function Descriptions ... 7 Layout .. 15 Terminology .. 8 Evaluating the AD7694 Performance .. 15 Typical Performance Characteristics ... 9 Outline Dimensions ... 16 Application Information .. 12 Ordering Guide .. 16 Circuit Information .. 12 REVISION HISTORY 6/14—Rev. A to Rev. B Added Patent Footnote .. 1 Changes to Evaluating the AD7694 Performance Section .. 15 Changes to Ordering Guide .. 16 5/05—Rev. 0 to Rev. A Updated Format .. Universal Changes to Digital Interface Section .. 14 Changes to Figure 25 .. 15 Changes to Evaluating the AD7694’s Performance Section .. 15 7/04—Revision 0: Initial Version Rev. B | Page 2 of 16 Document Outline Features Applications General Description Application Diagram Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Terminology Typical Performance Characteristics Application Information Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface Layout Evaluating the AD7694 Performance Outline Dimensions Ordering Guide