AD8251_10 查看數據表（PDF） - Analog Devices

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AD8251_10

10 MHz, 20 V/μs, G = 1, 2, 4, 8 iCMOS Programmable Gain Instrumentation Amplifier

Analog Devices 

AD8251

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

General Description ......................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

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

Timing Diagram ........................................................................... 5

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

Maximum Power Dissipation ..................................................... 6

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

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

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

Theory of Operation ...................................................................... 16

Gain Selection ............................................................................. 16

REVISION HISTORY

11/10—Rev. A to Rev. B

Changes to Voltage Offset, Offset RTI VOS, Average TC

Parameter in Table 2......................................................................... 3

Updated Outline Dimensions ....................................................... 23

5/08—Rev. 0 to Rev. A

Changes to Table 1............................................................................ 1

Power Supply Regulation and Bypassing ................................ 18

Input Bias Current Return Path ............................................... 18

Input Protection ......................................................................... 18

Reference Terminal .................................................................... 19

Common-Mode Input Voltage Range ..................................... 19

Layout .......................................................................................... 19

RF Interference ........................................................................... 20

Driving an ADC ......................................................................... 20

Applications..................................................................................... 21

Differential Output .................................................................... 21

Setting Gains with a Microcontroller ...................................... 21

Data Acquisition......................................................................... 22

Outline Dimensions ....................................................................... 23

Ordering Guide .......................................................................... 23

Changes to Table 2.............................................................................3

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

Inserted Figure 17; Renumbered Sequentially ..............................9

Inserted Figure 29........................................................................... 11

Changes to Timing for Latched Gain Mode Section ................. 17

5/07—Revision 0: Initial Version

Rev. B | Page 2 of 24

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