AD8551/AD8552/AD8554

Data Sheet

Rev. F | Page 2 of 24

TABLE OF CONTENTS

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

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

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

Pin Configurations ........................................................................... 1

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

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

Electrical Characteristics............................................................. 3

Absolute Maximum Ratings............................................................ 5

Thermal Characteristics .............................................................. 5

ESD Caution.................................................................................. 5

Typical Performance Characteristics ............................................. 6

Functional Description .................................................................. 14

Amplifier Architecture .............................................................. 14

Basic Auto-Zero Amplifier Theory.......................................... 14

High Gain, CMRR, PSRR.......................................................... 15

Maximizing Performance Through Proper Layout ............... 16

1/f Noise Characteristics ........................................................... 16

Intermodulation Distortion ...................................................... 17

Broadband and External Resistor Noise Considerations...... 18

Output Overdrive Recovery...................................................... 18

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

Output Phase Reversal............................................................... 18

Capacitive Load Drive ............................................................... 19

Power-Up Behavior .................................................................... 19

Applications Information .............................................................. 20

A 5 V Precision Strain Gage Circuit ........................................ 20

3 V Instrumentation Amplifier ................................................ 20

A High Accuracy Thermocouple Amplifier........................... 21

Precision Current Meter............................................................ 21

Precision Voltage Comparator.................................................. 21

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

Ordering Guide .......................................................................... 24

REVISION HISTORY

6/15—Rev. E to Rev. F

Change to Input Voltage Parameter, Table 3................................. 5

11/12—Rev.D to Rev. E

Changes to Figure 68...................................................................... 21

Updated Outline Dimensions (RM-8)......................................... 22

Changes to Ordering Guide .......................................................... 24

9/08—Rev. C to Rev. D

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

3/07—Rev. B to Rev. C

Changes to Specifications Section...................................................3

2/07—Rev. A to Rev. B

Updated Format..................................................................Universal

Changes to Figure 54...................................................................... 16

Deleted Spice Model Section ........................................................ 19

Deleted Figure 63, Renumbered Sequentially ............................ 19

Changes to Ordering Guide .......................................................... 24

11/02—Rev. 0 to Rev. A

Edits to Figure 60............................................................................ 16

Updated Outline Dimensions....................................................... 20