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AD7799 Scheda tecnica(PDF) 2 Page - Analog Devices |
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AD7799 Scheda tecnica(HTML) 2 Page - Analog Devices |
2 / 28 page AD7798/AD7799 Data Sheet Rev. B | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Interface ............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Characteristics..................................................................... 6 Absolute Maximum Ratings............................................................ 8 ESD Caution.................................................................................. 8 Pin Configuration and Function Descriptions............................. 9 Output Noise and Resolution Specifications .............................. 10 AD7798........................................................................................ 10 AD7799........................................................................................ 11 Typical Performance Characteristics ........................................... 12 On-Chip Registers.......................................................................... 13 Communication Register .......................................................... 13 Status Register............................................................................. 14 Mode Register ............................................................................. 14 Configuration Register .............................................................. 16 Data Register............................................................................... 17 ID Register................................................................................... 17 IO Register................................................................................... 17 Offset Register ............................................................................ 17 Full-Scale Register...................................................................... 17 ADC Circuit Information.............................................................. 18 Overview ..................................................................................... 18 Digital Interface.......................................................................... 19 Circuit Description......................................................................... 22 Analog Input Channel ............................................................... 22 Instrumentation Amplifier........................................................ 22 Bipolar/Unipolar Configuration .............................................. 22 Data Output Coding .................................................................. 23 Burnout Currents ....................................................................... 23 Reference ..................................................................................... 23 Reference Detect......................................................................... 23 Reset............................................................................................. 23 AVDD Monitor ............................................................................. 24 Calibration................................................................................... 24 Grounding and Layout .............................................................. 25 Applications Information .............................................................. 26 Weigh Scales................................................................................ 26 Outline Dimensions....................................................................... 27 Ordering Guide .......................................................................... 27 REVISION HISTORY 7/13—Rev. A to Rev. B Changes to Table 3............................................................................ 8 Changes to Digital Interface Section............................................ 19 Changes to Ordering Guide .......................................................... 27 3/07—Rev. 0 to Rev. A Updated Format..................................................................Universal Changes to Specifications................................................................ 3 Changes to Table 5 and Table 6..................................................... 10 Changes to Table 7 and Table 8..................................................... 11 Changes to Table 14........................................................................ 15 Changes to Ordering Guide .......................................................... 27 1/05—Revision 0: Initial Version |
Codice articolo simile - AD7799_15 |
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Descrizione simile - AD7799_15 |
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