AD7457BRT-R2 查看數據表（PDF） - Analog Devices

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AD7457BRT-R2

Low Power, Pseudo Differential, 100 kSPS 12-Bit ADC in an 8-Lead SOT-23

Analog Devices 

AD7457

TABLE OF CONTENTS

Specifications..................................................................................... 3

Timing Specifications....................................................................... 5

Absolute Maximum Ratings............................................................ 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ............................................. 8

Terminology .................................................................................... 10

Theory of Operation ...................................................................... 11

Circuit Information.................................................................... 11

Converter Operation.................................................................. 11

ADC Transfer Function............................................................. 11

Typical Connection Diagram ................................................... 11

REVISION HISTORY

2/05—Rev. 0 to Rev. A

Changes to Table 3............................................................................ 6

Changes to Ordering Guide .......................................................... 17

10/03—Rev. 0: Initial Version

Analog Input ............................................................................... 12

Analog Input Structure.............................................................. 12

Digital Inputs .............................................................................. 13

Reference Section ....................................................................... 13

Serial Interface ............................................................................ 13

Power Consumption .................................................................. 14

Microprocessor Interfacing....................................................... 14

Application Hints ........................................................................... 16

Grounding and Layout .............................................................. 16

Outline Dimensions ....................................................................... 17

Ordering Guide .......................................................................... 17

Rev. A | Page 2 of 20

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