Datasheet AD7616 (Analog Devices) - 3

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 10 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 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 36 link to page 36 link to page 36 link to page 37 link to page 39 link to page 39 link to page 39 link to page 39 link to page 41 link to page 42 link to page 43 link to page 44 link to page 45 link to page 45 link to page 46 link to page 47 link to page 48 link to page 49 link to page 50 link to page 51 link to page 51
AD7616 Data Sheet TABLE OF CONTENTS
Features .. 1 Software Mode .. 29 Applications ... 1 Reset Functionality... 29 General Description ... 1 Pin Function Overview ... 30 Functional Block Diagram .. 1 Digital Interface .. 31 Revision History ... 2 Channel Selection ... 31 Specifications ... 3 Parallel Interface ... 32 Timing Specifications .. 6 Serial Interface .. 33 Paral el Mode Timing Specifications ... 8 Sequencer... 35 Serial Mode Timing Specifications .. 9 Hardware Mode Sequencer ... 35 Absolute Maximum Ratings .. 10 Software Mode Sequencer ... 35 Thermal Resistance .. 10 Burst Sequencer .. 36 ESD Caution .. 10 Diagnostics .. 38 Pin Configuration and Function Descriptions ... 11 Diagnostic Channels .. 38 Typical Performance Characteristics ... 15 Interface Self Test ... 38 Terminology .. 21 CRC .. 38 Theory of Operation .. 23 Register Summary .. 40 Converter Details.. 23 Addressing Registers .. 41 Analog Input ... 23 Configuration Register .. 42 ADC Transfer Function ... 24 Channel Register .. 43 Internal/External Reference .. 24 Input Range Registers .. 44 Shutdown Mode .. 25 Input Range Register A1.. 44 Digital Filter .. 25 Input Range Register A2.. 45 Applications Information .. 26 Input Range Register B1 .. 46 Functionality Overview ... 26 Input Range Register B2 .. 47 Device Configuration ... 28 Sequencer Stack Registers ... 48 Operational Mode .. 28 Status Register ... 49 Internal/External Reference .. 28 Outline Dimensions ... 50 Digital Interface .. 28 Ordering Guide .. 50 Hardware Mode .. 28
REVISION HISTORY 10/2016—Revision 0: Initial Version
Rev. 0 | Page 2 of 50 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