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AD7177-2BRUZ Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7177-2BRUZ Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 59 page AD7177-2 Data Sheet Rev. A | Page 2 of 59 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 3 Specifications..................................................................................... 4 Timing Characteristics ................................................................ 7 Absolute Maximum Ratings............................................................ 9 Thermal Resistance ...................................................................... 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 12 Noise Performance and Resolution.............................................. 18 Getting Started ................................................................................ 19 Power Supplies ............................................................................ 20 Digital Communication............................................................. 20 AD7177-2 Reset.......................................................................... 21 Configuration Overview ........................................................... 21 Circuit Description......................................................................... 26 Buffered Analog Input ............................................................... 26 Crosspoint Multiplexer.............................................................. 26 AD7177-2 Reference.................................................................. 27 Buffered Reference Input........................................................... 28 Clock Source ............................................................................... 28 Digital Filters................................................................................... 29 Sinc5 + Sinc1 Filter..................................................................... 29 Sinc3 Filter................................................................................... 29 Single Cycle Settling................................................................... 30 Enhanced 50 Hz and 60 Hz Rejection Filters ......................... 33 Operating Modes............................................................................ 36 Continuous Conversion Mode ................................................. 36 Continuous Read Mode............................................................. 37 Single Conversion Mode ........................................................... 38 Standby and Power-Down Modes............................................ 39 Calibration................................................................................... 39 Digital Interface .............................................................................. 40 Checksum Protection................................................................. 40 CRC Calculation......................................................................... 41 Integrated Functions ...................................................................... 43 General-Purpose I/O ................................................................. 43 External Multiplexer Control ................................................... 43 Delay ............................................................................................ 43 24-Bit/32-Bit Conversions......................................................... 43 DOUT_RESET ........................................................................... 43 Synchronization.......................................................................... 43 Error Flags................................................................................... 44 DATA_STAT ............................................................................... 44 IOSTRENGTH ........................................................................... 45 Internal Temperature Sensor .................................................... 45 Grounding and Layout .................................................................. 46 Register Summary .......................................................................... 47 Register Details ............................................................................... 48 Communications Register......................................................... 48 Status Register............................................................................. 49 ADC Mode Register................................................................... 50 Interface Mode Register ............................................................ 51 Register Check............................................................................ 52 Data Register............................................................................... 52 GPIO Configuration Register................................................... 53 ID Register................................................................................... 54 Channel Register 0 ..................................................................... 54 Channel Register 1 to Channel Register 3 .............................. 55 Setup Configuration Register 0 ................................................ 56 Setup Configuration Register 1 to Setup Configuration Register 3 ..................................................................................... 56 Filter Configuration Register 0................................................. 57 Filter Configuration Register 1 to Filter Configuration Register 3 ..................................................................................... 58 Offset Register 0 ......................................................................... 58 Offset Register 1 to Offset Register 3....................................... 58 Gain Register 0............................................................................ 58 Gain Register 1 to Gain Register 3........................................... 58 Outline Dimensions....................................................................... 59 Ordering Guide .......................................................................... 59 |
Podobny numer części - AD7177-2BRUZ |
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Podobny opis - AD7177-2BRUZ |
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