Datasheet AD7609 (Analog Devices) - 3

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AD7609 Data Sheet TABLE OF CONTENTS
Features .. 1 Converter Details ... 21 Applications ... 1 Analog Input ... 21 Companion Products ... 1 ADC Transfer Function ... 22 Functional Block Diagram .. 1 Internal/External Reference .. 23 Revision History ... 2 Typical Connection Diagram ... 24 General Description ... 3 Power-Down Modes .. 24 Specifications ... 4 Conversion Control ... 25 Timing Specifications .. 7 Digital Interface .. 26 Absolute Maximum Ratings .. 11 Parallel Interface (PAR/SER SEL = 0) .. 26 Thermal Resistance .. 11 Serial Interface (PAR/SER SEL = 1) ... 26 ESD Caution .. 11 Reading During Conversion ... 27 Pin Configuration and Function Descriptions ... 12 Digital Filter .. 28 Typical Performance Characteristics ... 15 Layout Guidelines... 32 Terminology .. 19 Outline Dimensions ... 34 Theory of Operation .. 21 Ordering Guide .. 34
REVISION HISTORY 5/14—Rev. A to Rev. B
Changes to Patent Footnote ... 1 Changes to Figure 37 ... 22 Changes to Figure 39 and Figure 40 .. 23
2/12—Rev. 0 to Rev. A
Changes to Analog Input Ranges Section .. 21
7/11—Revision 0: Initial Version
Rev. B | Page 2 of 36 Document Outline Features Applications Companion Products Functional Block Diagram Table of Contents Revision History General Description Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Converter Details Analog Input Analog Input Ranges Analog Input Impedance Analog Input Clamp Protection Analog Input Antialiasing Filter Track-and-Hold Amplifiers ADC Transfer Function Internal/External Reference External Reference Mode Internal Reference Mode Typical Connection Diagram Power-Down Modes Conversion Control Simultaneous Sampling on All Analog Input Channels Simultaneously Sampling Two Sets of Channels Digital Interface Parallel Interface (/PAR/SER SEL = 0) Serial Interface (/PAR/SER SEL = 1) Reading During Conversion Digital Filter Layout Guidelines Outline Dimensions Ordering Guide