Datasheet AD7617 (Analog Devices) - 5

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AD7617 Data Sheet Parameter Test Conditions/Comments Min Typ Max Unit
Drift3 External reference ±2 ±5 ppm/°C Internal reference ±3 ±10 ppm/°C Matching1 ±10 V range 1 3 LSB ±5 V range 1 LSB ±2.5 V range 1 LSB Bipolar Zero Code Error1 ±10 V range ±0.15 ±2.5 LSB ±5 V range ±0.2 ±2.5 LSB ±2.5 V range ±0.7 ±3.5 LSB Drift3 ±10 V range ±1.5 ±21 μV/°C ±5 V range ±1 μV/°C ±2.5 V range ±0.5 μV/°C Matching1 ±10 V range ±0.5 ±2.5 LSB ±5 V range ±0.75 LSB ±2.5 V range ±0.75 LSB Negative Full-Scale (NFS) Error1, 5 External reference ±10 V range ±1 ±8 LSB ±5 V range ±0.75 LSB ±2.5 V range ±1.5 LSB Internal reference ±10 V range ±1 LSB Drift3 External reference ±2 ±5 ppm/°C Internal reference ±4 ±10 ppm/°C Matching1 ±10 V range 1 3 LSB ±5 V range 1 LSB ±2.5 V range 2 LSB ANALOG INPUT Input Voltage Ranges Software/hardware selectable, ±10 V range ±10 V Software/hardware selectable, ±5 V range ±5 V Software/hardware selectable, ±2.5 V range ±2.5 V Analog Input Current ±10 V range, see Figure 34 ±10.5 μA ±5 V range, see Figure 34 ±6.5 μA ±2.5 V range, see Figure 34 ±4 μA Input Capacitance6 10 pF Input Impedance See the Analog Input section 0.85 1 MΩ Input Impedance Drift3 25 ppm/°C REFERENCE INPUT/OUTPUT Reference Input Voltage Range See the ADC Transfer Function section 2.495 2.5 2.505 V DC Leakage Current ±1 μA Input Capacitance6 REFSEL = 1 7.5 pF Reference Output Voltage Measured at REFINOUT 2.495 2.505 V Reference Temperature Coefficient3 ±2 ±15 ppm/°C LOGIC INPUTS Input Voltage High (VINH) VDRIVE = 2.7 V to 3.6 V 2 V VDRIVE = 2.3 V to 2.7 V 1.7 V Low (VINL) VDRIVE = 2.7 V to 3.6 V 0.8 V VDRIVE = 2.3 V to 2.7 V 0.7 V Input Current (IIN) ±1 μA Input Capacitance (CIN)6 5 pF Rev. 0 | Page 4 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