THS3122 Datasheet, PDF (2/43 Pages) Texas Instruments – LOW-NOISE, HIGH-SPEED, 450 mA CURRENT FEEDBACK AMPLIFIERS

THS3122, THS3125
SLOS382E – SEPTEMBER 2001 – REVISED MAY 2015
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Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Options....................................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ..................................... 4
7.2 Dissipation Ratings Table ......................................... 4
7.3 Recommended Operating Conditions....................... 4
7.4 Electrical Characteristics: Dynamic Performance ..... 5
7.5 Electrical Characteristics: Noise and Distortion
Performance............................................................... 5
7.6 Electrical Characteristics: DC Performance.............. 6
7.7 Electrical Characteristics: Input Characteristics ....... 6
7.8 Electrical Characteristics: Output Characteristics ..... 6
7.9 Electrical Characteristics: Power Supply .................. 7
7.10 Electrical Characteristics: Shutdown Characteristics
(THS3125 Only) ......................................................... 7
7.11 Typical Characteristics: Table Of Graphs ............... 7
7.12 Typical Characteristics ............................................ 8
8 Detailed Description ............................................ 14
8.1 Overview ................................................................. 14
8.2 Feature Description................................................. 14
8.3 Device Functional Modes........................................ 16
9 Application and Implementation ........................ 18
9.1 Application Information............................................ 18
10 Layout................................................................... 22
10.1 Layout Guidelines ................................................. 22
11 Device and Documentation Support ................. 26
11.1 Related Links ........................................................ 26
11.2 Community Resources.......................................... 26
11.3 Trademarks ........................................................... 26
11.4 Electrostatic Discharge Caution ............................ 26
11.5 Glossary ................................................................ 26
12 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 D (February 2011) to Revision E
Page
• Added missing minus sign to temperature range in Available Options table ........................................................................ 3
• Changed Input Offset parameter maximum values in Electrical Charateristics for DC Performance .................................... 6
• Added Detailed Description section...................................................................................................................................... 14
• Added Application and Implementation section.................................................................................................................... 18
• Change Application Information section ............................................................................................................................... 18
Changes from Revision C (July 2010) to Revision D
Page
• Changed output current (absolute maximum) from 275 mA to 550 mA................................................................................. 4
Changes from Revision B (October, 2009) to Revision C
Page
• Corrected REF pin name for THS3125 shown in front-page figure ....................................................................................... 1
• Deleted Shutdown pin input levels parameters and specifications from Recommended Operating Conditions table........... 4
• Updated Shutdown Characteristics table test conditions; changed GND to REF, corrected V_SHDN notations ....................... 7
• Added V_REF and V_SHDN parameters and speciifications to Shutdown Characteristics table ................................................... 7
• Revised second and fourth paragraphs of Saving Power with Shutdown Functionality section.......................................... 14
• Updated equation in Power-Down Reference Pin Operation section that describes usable range at the REF pin............. 15
• Revised paragraph in Power-Down Reference Pin Operation that discusses behavior of unterminated REF pin .............. 15
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