Datasheet LF155, LF156, LF256, LF257 LF355, LF356, LF357 (Texas Instruments) - 2

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LF155, LF156 , LF256, LF257 LF355, LF356, LF357
SNOSBH0D – MAY 2000 – REVISED NOVEMBER 2015
www.ti.com Table of Contents 1 Features
.. 1 7.2 Functional Block Diagram ... 15 7.3 Feature Description... 16
2 Applications
... 1 7.4 Device Functional Modes.. 16
3 Description
... 1
8 Application and Implementation
.. 17
4 Revision History
... 2 8.1 Application Information.. 17
5 Pin Configuration and Functions
... 3 8.2 Typical Application .. 18
6 Specifications
... 4 8.3 System Examples ... 20 6.1 Absolute Maximum Ratings .. 4
9 Power Supply Recommendations
.. 33 6.2 ESD Ratings.. 4
10 Layout
... 33 6.3 Recommended Operating Conditions ... 4 10.1 Layout Guidelines ... 33 6.4 Thermal Information .. 5 10.2 Layout Example .. 34 6.5 AC Electrical Characteristics, TA = TJ = 25°C, VS = ±15 V.. 5
11 Device and Documentation Support
... 35 6.6 DC Electrical Characteristics, TA = TJ = 25°C, VS = 11.1 Related Links .. 35 ±15 V.. 6 11.2 Community Resources.. 35 6.7 DC Electrical Characteristics .. 6 11.3 Trademarks ... 35 6.8 Power Dissipation Ratings .. 7 11.4 Electrostatic Discharge Caution .. 35 6.9 Typical Characteristics .. 8 11.5 Glossary .. 35
7 Detailed Description
.. 14
12 Mechanical, Packaging, and Orderable
7.1 Overview ... 14
Information
... 35
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (March 2013) to Revision D Page
• Added Pin Configuration and Functions section, ESD Ratings table, Thermal Information 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 • Removed THIGH parameter as it is redundant to TA maximum ... 4
Changes from Revision B (March 2013) to Revision C Page
• Changed layout of National Data Sheet to TI format ... 31 2 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated LF156 LF256 LF356 Document Outline 1 Features 2 Applications 3 Description Table of Contents 4 Revision History 5 Pin Configuration and Functions 6 Specifications 6.1 Absolute Maximum Ratings 6.2 ESD Ratings 6.3 Recommended Operating Conditions 6.4 Thermal Information 6.5 AC Electrical Characteristics, TA = TJ = 25°C, VS = ±15 V 6.6 DC Electrical Characteristics, TA = TJ = 25°C, VS = ±15 V 6.7 DC Electrical Characteristics 6.8 Power Dissipation Ratings 6.9 Typical Characteristics 6.9.1 Typical DC Performance Characteristics 6.9.2 Typical AC Performance Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Large Differential Input Voltage 7.3.2 Large Common-Mode Input Voltage 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.2 Typical Application 8.2.1 Design Requirements 8.2.2 Detailed Design Procedure 8.2.3 Application Curves 8.3 System Examples 9 Power Supply Recommendations 10 Layout 10.1 Layout Guidelines 10.1.1 Printed-Circuit-Board Layout For High-Impedance Work 10.2 Layout Example 11 Device and Documentation Support 11.1 Related Links 11.2 Community Resources 11.3 Trademarks 11.4 Electrostatic Discharge Caution 11.5 Glossary 12 Mechanical, Packaging, and Orderable Information