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AD7715ARZ-31 Fiches technique(PDF) 2 Page - Analog Devices |
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AD7715ARZ-31 Fiches technique(HTML) 2 Page - Analog Devices |
2 / 40 page AD7715 Rev. D | Page 2 of 40 TABLE OF CONTENTS Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 AD7715-5 ...................................................................................... 3 AD7715-3 ...................................................................................... 5 Timing Characteristics ................................................................ 8 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. 9 Pin Configuration And Function Descriptions.......................... 10 Terminology .................................................................................... 11 On-Chip Registers .......................................................................... 12 Communications Register (RS1, RS0 = 0, 0) .......................... 13 Setup Register (RS1, RS0 = 0, 1); Power On/Reset Status: 28 Hex .......................................................................................... 14 Test Register (RS1, RS0 = 1, 0).................................................. 15 Data Register (RS1, RS0 = 1, 1) ................................................ 15 Output Noise ................................................................................... 16 AD7715-5 .................................................................................... 16 AD7715-3 .................................................................................... 17 Calibration Sequences.................................................................... 18 Circuit Description......................................................................... 19 Analog Input ............................................................................... 19 Reference Input........................................................................... 21 Digital Filtering........................................................................... 21 Analog Filtering.......................................................................... 23 Calibration................................................................................... 23 Using the AD7715 .......................................................................... 26 Clocking and Oscillator Circuit ............................................... 26 System Synchronization ............................................................ 26 Reset Input .................................................................................. 27 Standby Mode ............................................................................. 27 Accuracy ...................................................................................... 27 Drift Considerations .................................................................. 27 Power Supplies ............................................................................ 28 Digital Interface.......................................................................... 29 Configuring the AD7715............................................................... 31 Microcontroller/Microprocessor Interfacing ............................. 32 AD7715 to 68HC11 Interface ................................................... 32 AD7715 to 8XC51 Interface...................................................... 33 AD7715 to ADSP-2103/ADSP-2105 Interface ....................... 33 Code For Setting Up The AD7715............................................... 34 C Code for Interfacing AD7715 to 68HC11........................... 34 Applications Information .............................................................. 36 Pressure Measurement............................................................... 36 Temperature Measurement ....................................................... 37 Smart Transmitters..................................................................... 38 Outline Dimensions ....................................................................... 39 Ordering Guide .......................................................................... 40 REVISION HISTORY 12/09—Rev. C to Rev. D Updated Format..................................................................Universal Changes to Table 5............................................................................ 9 Updated Outline Dimensions ....................................................... 39 2/00—Rev. B to Rev. C |
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Description similaire - AD7715ARZ-31 |
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