link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 7 link to page 11 link to page 11 link to page 11 link to page 12 link to page 16 link to page 22 link to page 24 link to page 24 link to page 24 link to page 25 link to page 25 link to page 26 link to page 26 link to page 27 link to page 27 link to page 27 link to page 27 link to page 29 link to page 29 link to page 29 link to page 29 link to page 29 link to page 30 link to page 30 link to page 31 link to page 32 link to page 32 link to page 33 link to page 34 link to page 37 link to page 37 link to page 37 link to page 38 link to page 40 link to page 40 link to page 40 link to page 40 link to page 42 link to page 43 link to page 44 link to page 45 link to page 46 link to page 50 link to page 51 link to page 52 link to page 52 AD7617Data SheetTABLE OF CONTENTS Features .. 1 Digital Interface .. 28 Applications ... 1 Hardware Mode .. 28 General Description ... 1 Software Mode .. 29 Functional Block Diagram .. 1 Reset Functionality... 29 Revision History ... 2 Pin Function Overview ... 30 Specifications ... 3 Digital Interface .. 31 Timing Specifications .. 6 Channel Selection ... 31 Absolute Maximum Ratings .. 10 Parallel Interface ... 32 Thermal Resistance .. 10 Serial Interface .. 33 ESD Caution .. 10 Sequencer .. 36 Pin Configuration and Function Descriptions ... 11 Hardware Mode Sequencer ... 36 Typical Performance Characteristics ... 15 Software Mode Sequencer ... 36 Terminology .. 21 Burst Sequencer .. 37 Theory of Operation .. 23 Diagnostics .. 39 Converter Details .. 23 Diagnostic Channels .. 39 Analog Input ... 23 Interface Self Test ... 39 ADC Transfer Function ... 24 CRC .. 39 Internal/External Reference .. 24 Register Summary .. 41 Shutdown Mode .. 25 Addressing Registers .. 42 Digital Filter .. 25 Configuration Register .. 43 Applications Information .. 26 Channel Register .. 44 Functionality Overview ... 26 Input Range Registers .. 45 Power Supplies .. 26 Sequencer Stack Registers ... 49 Typical Connections .. 26 Status Register ... 50 Device Configuration ... 28 Outline Dimensions ... 51 Operational Mode .. 28 Ordering Guide .. 51 Internal/External Reference .. 28 REVISION HISTORY7/2017—Revision 0: Initial Version Rev. 0 | Page 2 of 51 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Universal Timing Specifications Parallel Mode Timing Specifications Serial Mode Timing Specifications 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 Channel Selection Analog Input Ranges Analog Input Impedance Analog Input Clamp Protection Analog Input Antialiasing Filter ADC TRANSFER FUNCTION INTERNAL/EXTERNAL REFERENCE SHUTDOWN MODE DIGITAL FILTER APPLICATIONS INFORMATION FUNCTIONALITY OVERVIEW POWER SUPPLIES TYPICAL CONNECTIONS DEVICE CONFIGURATION OPERATIONAL MODE INTERNAL/EXTERNAL REFERENCE DIGITAL INTERFACE HARDWARE MODE SOFTWARE MODE RESET FUNCTIONALITY PIN FUNCTION OVERVIEW DIGITAL INTERFACE CHANNEL SELECTION Hardware Mode Software Mode PARALLEL INTERFACE Reading Conversion Results Writing Register Data Reading Register Data SERIAL INTERFACE Reading Conversion Results Writing Register Data Reading Register Data SEQUENCER HARDWARE MODE SEQUENCER SOFTWARE MODE SEQUENCER BURST SEQUENCER Hardware Mode Burst Software Mode Burst DIAGNOSTICS DIAGNOSTIC CHANNELS INTERFACE SELF TEST CRC REGISTER SUMMARY ADDRESSING REGISTERS CONFIGURATION REGISTER CHANNEL REGISTER INPUT RANGE REGISTERS Input Range Register A1 Input Range Register A2 Input Range Register B1 Input Range Register B2 SEQUENCER STACK REGISTERS STATUS REGISTER OUTLINE DIMENSIONS ORDERING GUIDE