National Semiconductor LM7171 Feedback Amplifier Datasheet

The LM7171 is a high speed, high output current, voltage feedback amplifier. It 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 ±15V 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 ±5V operation for portable applications. The LM7171 is built on National’s advanced VIP™ III (Verti- cally integrated PNP) complementary bipolar process.


National Semiconductor LM7171 Feedback Amplifier Datasheet - cover page
Brand
National Semiconductor
Category
amplifier
Document type
Datasheet
Language
English
Pages
20
File format
PDF
File size
619 KB
Published
06 July, 2012
Updated
30 September, 2023
Models
LM7171, LM71
MD5 checksum
44256483A49FA1B787B3838A056D99DF

About this manual

The LM7171 is a high speed voltage feedback amplifier that combines the slewing characteristics of a current feedback amplifier with traditional voltage feedback configurations. It features a very high slew rate of 4100 V/µs, a wide unity-gain bandwidth of 200 MHz, and consumes only 6.5 mA of supply current.

The device is specified for both +15V and +5V operation, making it ideal for video distribution, HDSL drivers, pulse amplifiers, and high-speed signal processing applications such as CATV and fiber optics.

What's inside

  • General Description
  • Features
  • Applications
  • Ordering Information
  • Absolute Maximum Ratings
  • Operating Ratings
  • DC Electrical Characteristics
  • AC Electrical Characteristics

Specifications

Input Offset Voltage (Typical)0.2 mV
Operating Supply Voltage Range+5V to +15V

Frequently asked questions

Is the LM7171 suitable for +5V operation?

Yes, it is specified for both +15V and +5V operation.

What is the maximum supply voltage for the LM7171?

The device can operate with a supply voltage up to 36V.

How much current does the LM7171 consume from its power supply?

It consumes only 6.5 mA of supply current when operating on +15V.

What is the maximum output current the LM7171 can source?

The amplifier provides an output current of 100 mA.

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