AD8222 查看數據表（PDF） - Analog Devices

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AD8222

Precision, Dual-Channel Instrumentation Amplifier

Analog Devices 

AD8222

TABLE OF CONTENTS

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

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

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

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

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

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

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

Thermal Resistance ...................................................................... 6

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

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

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

Theory of Operation ...................................................................... 15

Amplifier Architecture .............................................................. 15

Gain Selection ............................................................................. 15

Reference Terminal .................................................................... 16

REVISION HISTORY

5/2016—Rev. A to Rev. B

Changed CP-16-13 to CP-16-26 .................................. Throughout

Change to Table 5 ............................................................................. 6

Changes to Figure 2 and Table 7..................................................... 7

Added Figure 3; Renumbered Sequentially .................................. 7

Change to Input Protection Section............................................. 18

Updated Outline Dimensions ....................................................... 22

Changes to Ordering Guide .......................................................... 23

2/2010—Rev. 0 to Rev. A

Added LFCSP_VQ, CP-16-13 Package............................Universal

Changes to Features Section and Table 1 ...................................... 1

Changed VIN+ to V+IN, VIN− to V−IN, and T to TA Throughout ..... 3

Change to Reference Input Parameter, Table 2............................. 4

Changed Output Short-Circuit Current to Output Short-Circuit

Duration, Table 5 .............................................................................. 6

Data Sheet

Package Considerations............................................................. 16

Layout .......................................................................................... 16

Input Bias Current Return Path ............................................... 17

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

RF Interference ........................................................................... 18

Common-Mode Input Voltage Range ..................................... 18

Applications Information .............................................................. 19

Differential Output .................................................................... 19

Driving a Differential Input ADC............................................ 20

Precision Strain Gage................................................................. 20

Driving Cabling .......................................................................... 21

Outline Dimensions ....................................................................... 22

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

Changes to Thermal Resistance Section and Table 6 ...................6

Changes to Figure 2...........................................................................7

Changes to Figure 19...................................................................... 10

Changes to Figure 43...................................................................... 14

Changes to Reference Terminal Section, Figure 45, and Package

Considerations Section .................................................................. 16

Deleted Thermal Pad Section ....................................................... 16

Added Package Without Thermal Pad and Package with

Thermal Pad Sections .................................................................... 16

Changes to Figure 46...................................................................... 17

Deleted Solder Wash Section ........................................................ 17

Changes to RFI and Antialising Filter Section ........................... 20

Updated Outline Dimensions ....................................................... 22

Changes to Ordering Guide .......................................................... 23

7/2006—Revision 0: Initial Version

Rev. B | Page 2 of 24

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