OPA145 Datasheet, PDF (2/40 Pages) Texas Instruments – High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers

OPA145, OPA2145, OPA4145
SBOS427 – JUNE 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 6
7.1 Absolute Maximum Ratings ...................................... 6
7.2 ESD Ratings.............................................................. 6
7.3 Recommended Operating Conditions....................... 6
7.4 Thermal Information: OPA145 .................................. 6
7.5 Thermal Information: OPA2145 ................................ 7
7.6 Thermal Information: OPA4145 ................................ 7
7.7 Electrical Characteristics: V_S = 4.5 V to 36 V; ±2.25 V
to ±18 V...................................................................... 8
7.8 Typical Characteristics ............................................ 10
7.9 Typical Characteristics ............................................ 11
8 Detailed Description ............................................ 18
8.1 Overview ................................................................. 18
8.2 Functional Block Diagram ....................................... 18
8.3 Feature Description................................................. 19
8.4 Device Functional Modes........................................ 25
9 Application and Implementation ........................ 26
9.1 Application Information............................................ 26
9.2 Typical Application ................................................. 26
10 System Examples................................................ 28
10.1 16-bit, 100-kSPS, Fully Differential Transimpedance
Imaging and Measurement ...................................... 28
11 Power Supply Recommendations ..................... 29
12 Layout................................................................... 30
12.1 Layout Guidelines ................................................. 30
12.2 Layout Example .................................................... 31
13 Device and Documentation Support ................. 32
13.1 Device Support...................................................... 32
13.2 Documentation Support ........................................ 32
13.3 Related Links ........................................................ 33
13.4 Receiving Notification of Documentation Updates 33
13.5 Community Resources.......................................... 33
13.6 Trademarks ........................................................... 33
13.7 Electrostatic Discharge Caution ............................ 33
13.8 Glossary ................................................................ 33
14 Mechanical, Packaging, and Orderable
Information ........................................................... 33
4 Revision History
DATE
June 2017
REVISION
*
NOTES
Initial release
2
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