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AD7190BRUZ Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7190BRUZ Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 40 page AD7190 Rev. 0 | Page 2 of 40 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Characteristics ................................................................ 7 Circuit and Timing Diagrams..................................................... 7 Absolute Maximum Ratings............................................................ 9 Thermal Resistance ...................................................................... 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 12 RMS Noise and Resolution............................................................ 15 Sinc4 Chop Disabled................................................................... 15 Sinc3 Chop Disabled................................................................... 16 Sinc4 Chop Enabled.................................................................... 17 Sinc3 Chop Enabled.................................................................... 18 On-Chip Registers .......................................................................... 19 Communications Register......................................................... 19 Status Register ............................................................................. 20 Mode Register ............................................................................. 20 Configuration Register .............................................................. 22 Data Register ............................................................................... 24 GPOCON Register ..................................................................... 24 Offset Register............................................................................. 25 Full-Scale Register...................................................................... 25 ADC Circuit Information.............................................................. 26 Overview ..................................................................................... 26 Filter, Output Data Rate, Settling Time................................... 26 Digital Interface.......................................................................... 29 Circuit Description......................................................................... 33 Analog Input Channel ............................................................... 33 PGA.............................................................................................. 33 Bipolar/Unipolar Configuration .............................................. 33 Data Output Coding .................................................................. 33 Clock ............................................................................................ 33 Burnout Currents ....................................................................... 34 Reference ..................................................................................... 34 Reference Detect......................................................................... 34 Reset ............................................................................................. 34 System Synchronization ............................................................ 35 Temperature Sensor ................................................................... 35 Bridge Power-Down Switch...................................................... 35 Logic Outputs ............................................................................. 35 Enable Parity ............................................................................... 35 Calibration................................................................................... 36 Grounding and Layout .............................................................. 36 Applications Information .............................................................. 38 Weigh Scales................................................................................ 38 Outline Dimensions ....................................................................... 39 Ordering Guide .......................................................................... 39 REVISION HISTORY 10/08—Revision 0—Initial Version |
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Podobny opis - AD7190BRUZ |
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