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 12 link to page 13 link to page 13 link to page 13 link to page 14 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 21 link to page 22 link to page 23 link to page 24 link to page 24 link to page 24 link to page 25 link to page 25 AD7983Data SheetTABLE OF CONTENTS Features .. 1 Driver Amplifier Choice ... 14 Applications ... 1 Voltage Reference Input .. 15 Application Diagram .. 1 Power Supply ... 15 General Description ... 1 Digital Interface .. 16 Revision History ... 2 CS MODE, 3-Wire Without Busy Indicator ... 17 Specifications ... 3 CS Mode, 3-Wire with Busy Indicator .. 18 Timing Specifications ... 5 CS Mode, 4-Wire Without Busy Indicator ... 19 Absolute Maximum Ratings .. 6 CS Mode, 4-Wire with Busy Indicator .. 20 ESD Caution .. 6 Chain Mode Without Busy Indicator .. 21 Pin Configurations and Function Descriptions ... 7 Chain Mode with Busy Indicator ... 22 Typical Performance Characteristics ... 8 Application Hints ... 23 Terminology .. 11 Layout .. 23 Theory of Operation .. 12 Evaluating the Performance of the AD7983 .. 23 Circuit Information .. 12 Outline Dimensions ... 24 Converter Operation .. 12 Ordering Guide .. 24 Typical Connection Diagram.. 13 Analog Inputs .. 14 REVISION HISTORY 7/14—Rev. A to Rev. B Added Patent Endnote and Changes to Table 1 ... 1 Changed Standby Current from 0.35 nA to 1.1 mA .. 4 Added EPAD Note .. 7 Changes to Figure 21 .. 12 Changes to Power Supply Section .. 15 Changes to Evaluating the Performance of the AD7983 Section . 23 Updated Outline Dimensions ... 24 Changes to Ordering Guide .. 24 3/10—Rev. 0 to Rev. A Deleted Endnote 1 from Features Section, General Description Section, and Table 1 .. 1 Changes to Table 5 .. 6 Deleted Endnote 1 from Figure 5 Caption .. 7 Changes to Figure 21 .. 12 Deleted Endnote 1 from Circuit Information Section... 12 Changes to Figure 41 Caption ... 24 Changes to Ordering Guide .. 24 11/07—Revision 0: Initial Version Rev. B | Page 2 of 24 Document Outline Features Applications Application Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Inputs Driver Amplifier Choice Voltage Reference Input Power Supply Digital Interface CS MODE, 3-Wire Without Busy Indicator CS Mode, 3-Wire with Busy Indicator CS Mode, 4-Wire Without Busy Indicator CS Mode, 4-Wire with Busy Indicator Chain Mode Without Busy Indicator Chain Mode with Busy Indicator Application Hints Layout Evaluating the Performance of the AD7983 Outline Dimensions Ordering Guide