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AD7863AR-10 数据手册 - ADI（亚德诺）
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ADI（亚德诺）
分类:
AD转换器
封装:
SOIC-28
描述:
同时采样的双175 kSPS的14位ADC Simultaneous Sampling Dual 175 kSPS 14-Bit ADC
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AD7863AR-10数据手册
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AD7863
Rev. B | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Timing Characteristics ................................................................ 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Terminology ...................................................................................... 8
Converter Details.............................................................................. 9
Track-and-Hold Section .............................................................. 9
Reference Section ......................................................................... 9
Circuit Description......................................................................... 10
Analog Input Section ................................................................. 10
Offset and Full-Scale Adjustment ............................................ 10
Timing and Control ................................................................... 11
Operating Modes ............................................................................ 13
Mode 1 Operation ...................................................................... 13
Mode 2 Operation ...................................................................... 13
AD7863 Dynamic Specifications ............................................. 14
Signal-to-Noise Ratio (SNR)..................................................... 14
Effective Number of Bits ........................................................... 14
Total Harmonic Distortion (THD).......................................... 15
Intermodulation Distortion...................................................... 15
Peak Harmonic or Spurious Noise........................................... 15
DC Linearity Plot ....................................................................... 15
Power Considerations................................................................ 16
Microprocessor Interfacing........................................................... 17
AD7863 to ADSP-2100 Interface ............................................. 17
AD7863 to ADSP-2101/ADSP-2102 Interface ....................... 17
AD7863 to TMS32010 Interface .............................................. 17
AD7863 to TMS320C25 Interface............................................ 17
AD7863 to MC68000 Interface ................................................ 18
AD7863 to 80C196 Interface .................................................... 18
Vector Motor Control ................................................................ 18
Multiple AD7863s ...................................................................... 19
Applications Hints.......................................................................... 20
PC Board Layout Considerations............................................. 20
Ground Planes ............................................................................ 20
Power Planes ............................................................................... 20
Supply Decoupling ..................................................................... 20
Outline Dimensions ....................................................................... 21
Ordering Guide .......................................................................... 22
REVISION HISTORY
11/06—Rev. A to Rev. B
Updated Format..................................................................Universal
Deleted Applications ........................................................................ 1
Changes to Specifications................................................................ 3
Changes to Absolute Maximum Ratings ....................................... 6
Updated Outline Dimensions....................................................... 21
Changes to Ordering Guide .......................................................... 22
5/99—Rev. 0 to Rev. A
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