Datenblatt-Suchmaschine für elektronische Bauteile |
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AD7124-8 Datenblatt(PDF) 3 Page - Analog Devices |
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AD7124-8 Datenblatt(HTML) 3 Page - Analog Devices |
3 / 93 page AD7124-8 Data Sheet Rev. D | Page 2 of 92 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 3 General Description......................................................................... 4 Specifications..................................................................................... 5 Timing Characteristics .............................................................. 10 Absolute Maximum Ratings.......................................................... 13 Thermal Resistance .................................................................... 13 ESD Caution................................................................................ 13 Pin Configuration and Function Descriptions........................... 14 Terminology .................................................................................... 17 Typical Performance Characteristics ........................................... 18 RMS Noise and Resolution............................................................ 27 Full Power Mode......................................................................... 27 Mid Power Mode........................................................................ 30 Low Power Mode........................................................................ 33 Getting Started................................................................................ 36 Overview...................................................................................... 36 Power Supplies ............................................................................ 37 Digital Communication............................................................. 37 Configuration Overview ........................................................... 39 ADC Circuit Information.............................................................. 44 Analog Input Channel ............................................................... 44 External Impedance when using a Gain of 1.......................... 45 Programmable Gain Array (PGA) ........................................... 46 Reference ..................................................................................... 46 Bipolar/Unipolar Configuration .............................................. 46 Data Output Coding .................................................................. 47 Excitation Currents .................................................................... 47 Bridge Power-Down Switch ...................................................... 47 Logic Outputs.............................................................................. 47 Bias Voltage Generator .............................................................. 48 Clock ............................................................................................ 48 Power Modes............................................................................... 48 Standby and Power-Down Modes............................................ 48 Digital Interface .......................................................................... 49 DATA_STATUS.......................................................................... 51 Serial Interface Reset (DOUT_RDY_DEL and CS_EN Bits)51 Reset ............................................................................................. 51 Calibration................................................................................... 51 Span and Offset Limits .............................................................. 52 System Synchronization ............................................................ 53 Digital Filter .................................................................................... 54 Sinc4 Filter ................................................................................... 54 Sinc3 Filter ................................................................................... 56 Fast Settling Mode (Sinc4 + Sinc1 Filter).................................. 58 Fast Settling Mode (Sinc3 + Sinc1 Filter).................................. 60 Post Filters ................................................................................... 62 Summary of Filter Options ....................................................... 65 Diagnostics...................................................................................... 66 Signal Chain Check.................................................................... 66 Reference Detect......................................................................... 66 Calibration, Conversion, and Saturation Errors .................... 66 Overvoltage/Undervoltage Detection ..................................... 66 Power Supply Monitors ............................................................. 67 LDO Monitoring ........................................................................ 67 MCLK Counter........................................................................... 67 SPI SCLK Counter...................................................................... 67 SPI Read/Write Errors ............................................................... 68 SPI_IGNORE Error ................................................................... 68 Checksum Protection ................................................................ 68 Memory Map Checksum Protection ....................................... 68 ROM Checksum Protection...................................................... 69 Burnout Currents ....................................................................... 70 Temperature Sensor ................................................................... 70 Grounding and Layout .................................................................. 71 Applications Information .............................................................. 72 Temperature Measurement Using a Thermocouple.............. 72 Temperature Measurement Using an RTD............................. 73 Flowmeter.................................................................................... 75 On-Chip Registers.......................................................................... 77 Communications Register......................................................... 78 Status Register............................................................................. 78 ADC_CONTROL Register ....................................................... 79 Data Register............................................................................... 81 IO_CONTROL_1 Register........................................................ 81 IO_CONTROL_2 Register........................................................ 83 ID Register................................................................................... 84 Error Register.............................................................................. 84 |
Ähnliche Teilenummer - AD7124-8_17 |
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Ähnliche Beschreibung - AD7124-8_17 |
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