OPA227 Datasheet, PDF (2/46 Pages) Burr-Brown (TI) – High Precision, Low Noise OPERATIONAL AMPLIFIERS

OPA227, OPA2227, OPA4227
OPA228, OPA2228, OPA4228
SBOS110B – MAY 1998 – REVISED JUNE 2015
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ...................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information: OPA227U/UA and
OPA228U/UA ............................................................ 5
6.5 Thermal Information: OPA227P/PA and
OPA228P/PA ............................................................. 6
6.6 Electrical Characteristics: OPAx227 Series (V_S = ±5
V to ±15 V) ................................................................. 7
6.7 Electrical Characteristics: OPAx228 Series (V_S = ±5
V to ±15 V) ................................................................. 8
6.8 Typical Characteristics ............................................ 10
7 Detailed Description ............................................ 16
7.1 Overview ................................................................. 16
7.2 Functional Block Diagram ....................................... 16
7.3 Feature Description................................................. 16
7.4 Device Functional Modes........................................ 23
8 Application and Implementation ........................ 24
8.1 Application Information............................................ 24
8.2 Typical Application .................................................. 26
9 Power Supply Recommendations...................... 29
10 Layout................................................................... 29
10.1 Layout Guidelines ................................................. 29
10.2 Layout Example .................................................... 30
11 Device and Documentation Support ................. 31
11.1 Device Support .................................................... 31
11.2 Documentation Support ........................................ 31
11.3 Related Links ........................................................ 31
11.4 Trademarks ........................................................... 31
11.5 Electrostatic Discharge Caution ............................ 32
11.6 Glossary ................................................................ 32
12 Mechanical, Packaging, and Orderable
Information ........................................................... 32
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (January 2005) to Revision B
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section .................................................................................................. 1
2
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