OP1177/OP2177/OP4177

Data Sheet

Rev. I | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

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

 

Electrical Characteristics ............................................................. 4

 

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

 

Thermal Resistance ...................................................................... 5

 

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

 

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

 

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

 

Total Noise-Including Source Resistors.................................. 14

 

Gain Linearity ............................................................................. 14

 

Input Overvoltage Protection................................................... 15

 

Output Phase Reversal............................................................... 15

 

Settling Time ............................................................................... 15

 

Overload Recovery Time .......................................................... 15

 

THD + Noise .............................................................................. 16

 

Capacitive Load Drive ............................................................... 16

 

Stray Input Capacitance Compensation ................................. 17

 

Reducing Electromagnetic Interference ................................. 17

 

Proper Board Layout ................................................................. 18

 

Difference Amplifiers ................................................................ 18

 

A High Accuracy Thermocouple Amplifier........................... 19

 

Low Power Linearized RTD ..................................................... 19

 

Single Operational Amplifier Bridge....................................... 20

 

Realization of Active Filters .......................................................... 21

 

Band-Pass KRC or Sallen-Key Filter ....................................... 21

 

Channel Separation.................................................................... 21

 

References on Noise Dynamics and Flicker Noise............... 21

 

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

 

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

 

REVISION HISTORY

8/2020—Rev. H to Rev. I

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

9/2018—Rev. G to Rev. H

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

11/2009—Rev. F to Rev. G

Changes to Figure 64 ..................................................................... 19

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

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

5/2009—Rev. E to Rev. F

Changes to Figure 64 ..................................................................... 19

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

10/2007—Rev. D to Rev. E

Changes to General Description .................................................... 1

Changes to Table 4 ........................................................................... 5

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

7/2006—Rev. C to Rev. D

Changes to Table 4 ........................................................................... 5

Changes to Figure 51 ..................................................................... 14

Changes to Figure 52 ..................................................................... 15

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

Changes to Figure 58 to Figure 61 ............................................... 17

Changes to Figure 62 and Figure 63 ............................................ 18

Changes to Figure 64 ..................................................................... 19

Changes to Figure 65 and Figure 66 ............................................ 20

Changes to Figure 67 and Figure 68 ............................................ 21

Removed SPICE Model Section ................................................... 21

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

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

4/2004—Rev. B to Rev. C

Changes to Ordering Guide.............................................................4

Changes to TPC 6..............................................................................5

Changes to TPC 26............................................................................7

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

4/2002—Rev. A to Rev. B

Added OP4177.........................................................................Global

Edits to Specifications.......................................................................2

Edits to Electrical Characteristics Headings..................................4

Edits to Ordering Guide ...................................................................4

11/2001—Rev. 0 to Rev. A

Edit to Features..................................................................................1

Edits to TPC 6 ...................................................................................5

7/2001—Revision 0: Initial Version