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AD7921AUJZ-REEL7 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
AD转换器
封装:
TSOT-23-8
描述:
2通道， 2.35 V至5.25 V 250 kSPS时， 10位/ 12位ADC 2-Channel, 2.35 V to 5.25 V 250 kSPS, 10-/12-Bit ADCs
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AD7921AUJZ-REEL7数据手册
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AD7911/AD7921
Rev. A | Page 2 of 28
TABLE OF CONTENTS
Specifications..................................................................................... 3
AD7911 Specifications................................................................. 3
AD7921 Specifications................................................................. 5
Timing Specifications .................................................................. 7
Timing Diagrams.......................................................................... 7
Timing Examples.......................................................................... 8
Absolute Maximum Ratings............................................................ 9
ESD Caution.................................................................................. 9
Pin Configurations and Function Descriptions......................... 10
Termi no lo g y .................................................................................... 11
Typical Performance Characteristics ...........................................13
Circuit Information........................................................................ 15
Converter Operation.................................................................. 15
ADC Transfer Function............................................................. 15
Typical Connection Diagram ................................................... 16
Analog Input............................................................................... 16
Digital Inputs .............................................................................. 17
DIN Input.................................................................................... 17
DOUT Output ............................................................................ 17
Modes of Operation ....................................................................... 18
Normal Mode.............................................................................. 18
Power-Down Mode.................................................................... 18
Power-Up Time .......................................................................... 19
Power vs. Throughput Rate....................................................... 20
Serial Interface ................................................................................ 21
Microprocessor Interfacing....................................................... 22
Application Hints ........................................................................... 24
Grounding and Layout .............................................................. 24
Outline Dimensions....................................................................... 25
Ordering Guide .......................................................................... 25
REVISION HISTORY
5/11—Rev. 0 to Rev. A
Updated Outline Dimensions....................................................... 25
Changes to Ordering Guide .......................................................... 25
4/04—Revision 0: Initial Version
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