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LM7171 Datasheet

Voltage Feedback Amplifier

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LM7171
SNOS760C – MAY 1999 – REVISED SEPTEMBER 2014
LM7171 Very High Speed, High Output Current, Voltage Feedback Amplifier
1 Features
1 (Typical Unless Otherwise Noted)
• Easy-to-Use Voltage Feedback Topology
• Very High Slew Rate: 4100 V/μs
• Wide Unity-Gain Bandwidth: 200 MHz
3 dB Frequency @ AV = +2: 220 MHz
• Low Supply Current: 6.5 mA
• High Open Loop Gain: 85 dB
• High Output Current: 100 mA
• Differential Gain and Phase: 0.01%, 0.02°
• Specified for ±15V and ±5V Operation
2 Applications
• HDSL and ADSL Drivers
• Multimedia Broadcast Systems
• Professional Video Cameras
• Video Amplifiers
• Copiers/Scanners/Fax
• HDTV Amplifiers
• Pulse Amplifiers and Peak Detectors
• CATV/Fiber Optics Signal Processing
3 Description
The LM7171 is a high speed voltage feedback
amplifier that has the slewing characteristic of a
current feedback amplifier, yet it can be used in all
traditional voltage feedback amplifier configurations.
The LM7171 is stable for gains as low as +2 or 1. It
provides a very high slew rate at 4100V/μs and a
wide unity-gain bandwidth of 200 MHz while
consuming only 6.5 mA of supply current. It is ideal
for video and high speed signal processing
applications such as HDSL and pulse amplifiers. With
100 mA output current, the LM7171 can be used for
video distribution, as a transformer driver or as a
laser diode driver.
Operation on ±15 V power supplies allows for large
signal swings and provides greater dynamic range
and signal-to-noise ratio. The LM7171 offers low
SFDR and THD, ideal for ADC/DAC systems. In
addition, the LM7171 is specified for ±5 V operation
for portable applications.
The LM7171 is built on TI's advanced VIP™ III
(Vertically integrated PNP) complementary bipolar
process.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM7171
SOIC (8)
4.90 mm × 3.91 mm
LM7171
PDIP (8)
9.81 mm × 6.35 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Schematic Diagram
Large Signal Pulse Response
AV = +2, VS = ±15V
Note: M1 and M2 are current mirrors.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




etcTI

LM7171 Datasheet Preview

LM7171 Datasheet

Voltage Feedback Amplifier

No Preview Available !

LM7171
SNOS760C – MAY 1999 – REVISED SEPTEMBER 2014
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......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 Handling Ratings....................................................... 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 ±15V DC Electrical Characteristics .......................... 5
6.6 ±15V AC Electrical Characteristics .......................... 6
6.7 ±5V DC Electrical Characteristics ............................ 7
6.8 ±5V AC Electrical Characteristics ............................ 8
6.9 Typical Performance Characteristics ........................ 9
7 Application and Implementation ........................ 18
7.1 Application Information............................................ 18
7.2 Circuit Operation ..................................................... 18
7.3 Slew Rate Characteristic......................................... 18
7.4 Slew Rate Limitation ............................................... 18
7.5 Compensation For Input Capacitance .................... 19
7.6 Application Circuit ................................................... 19
8 Power Supply Recommendations...................... 21
8.1 Power Supply Bypassing ........................................ 21
8.2 Termination ............................................................. 22
8.3 Driving Capacitive Loads ........................................ 23
8.4 Power Dissipation ................................................... 24
9 Layout ................................................................... 25
9.1 Layout Guidelines ................................................... 25
10 Device and Documentation Support ................. 26
10.1 Trademarks ........................................................... 26
10.2 Electrostatic Discharge Caution ............................ 26
10.3 Glossary ................................................................ 26
11 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
• Changed data sheet flow and layout to conform with new TI standards. Added the following sections: Device
Information Table, Application and Implementation; Layout; Device and Documentation Support; Mechanical,
Packaging, and Ordering Information .................................................................................................................................... 1
• Changed "Junction Temperature Range" to " Operating Temperature Range" and deleted TJ ............................................ 4
• Deleted TJ = 25°C for Electrical Characteristics tables .......................................................................................................... 5
Changes from Revision A (March 2013) to Revision B
Page
• Changed layout of National Data Sheet to TI format ........................................................................................................... 20
2 Submit Documentation Feedback
Product Folder Links: LM7171
Copyright © 1999–2014, Texas Instruments Incorporated


Part Number LM7171
Description Voltage Feedback Amplifier
Maker etcTI
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