OPA4188 Datasheet, PDF (2/35 Pages) Texas Instruments – Zero-Drift Operational Amplifiers

OPA4188
SBOS641C – JUNE 2012 – REVISED NOVEMBER 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Zero-Drift Amplifier Portfolio ................................ 3
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics: High-Voltage Operation, V_S
= ±4 V to ±18 V (V_S = 8 V to 36 V) ............................ 6
7.6 Electrical Characteristics: Low-Voltage Operation, V_S
= ±2 V to < ±4 V (V_S = +4 V to < +8 V) ..................... 7
7.7 Typical Characteristics .............................................. 9
8 Detailed Description ............................................ 17
8.1 Overview ................................................................. 17
8.2 Functional Block Diagram ....................................... 17
8.3 Feature Description................................................. 17
8.4 Device Functional Modes........................................ 19
9 Applications and Implementation ...................... 20
9.1 Application Information............................................ 20
9.2 Typical Applications ................................................ 20
10 Power Supply Recommendations ..................... 23
11 Layout................................................................... 23
11.1 Layout Guidelines ................................................. 23
11.2 Layout Example .................................................... 24
12 Device and Documentation Support ................. 25
12.1 Documentation Support ....................................... 25
12.2 Trademarks ........................................................... 25
12.3 Electrostatic Discharge Caution ............................ 26
12.4 Glossary ................................................................ 26
13 Mechanical, Packaging, and Orderable
Information ........................................................... 26
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (March 2013) to Revision C
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
Changes from Revision A (September 2012) to Revision B
Page
• Changed maximum specification of second Input Bias Current, I_B parameter row in High-Voltage Electrical
Characteristics table ............................................................................................................................................................... 6
• Changed maximum specification of second Input Bias Current, I_B parameter row in Low-Voltage Electrical
Characteristics table ............................................................................................................................................................... 7
• Changed Input Impedance, Input impedance (Common-mode) parameter typical specification in Low-Voltage
Electrical Characteristics table ............................................................................................................................................... 7
Changes from Original (June2012) to Revision A
Page
• Changed second to last Applications bullet............................................................................................................................ 1
2
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