LM7372

更新时间： 2024-11-22 22:47:03

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
15页	419K
描述
High Speed, High Output Current, Dual Operational Amplifier

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LM7372 数据手册

February 2002

LM7372

High Speed, High Output Current, Dual Operational

Amplifier

General Description

Features

n −80dBc highest harmonic distortion 1MHz, 2V_PP

The LM7372 is a high speed dual voltage feedback amplifier

that has the slewing characteristic of current feedback am-

plifiers; yet it can be used in all traditional voltage feedback

amplifier configurations.

n Very high slew rate: 3000V/µs

n Wide gain bandwidth product: 120MHz

n −3dB frequency A_V= +2: 200MHz

The LM7372 is stable for gains as low as +2 or −1. It

provides a very high slew rate at 3000V/µs and a wide gain

bandwidth product of 120MHz, while consuming only

6.5mA/per amplifier of supply current. It is ideal for video and

high speed signal processing applications such as xDSL and

pulse amplifiers. With 150mA output current, the LM7372

can be used for video distribution, as a transformer driver or

as a laser diode driver.

n Low supply current: 13mA (both amplifiers)

n High open loop gain: 85dB

n High output current: 150mA

n Differential gain and phase: 0.01%, 0.02˚

Applications

n HDSL and ADSL Drivers

n Multimedia broadcast systems

n Professional video cameras

n CATV/Fiber optics signal processing

n Pulse amplifiers and peak detectors

n HDTV amplifiers

Operation on 15V power supplies allows for large signal

swings and provides greater dynamic range and

signal-to-noise ratio. The LM7372 offers high SFDR and low

THD, ideal for ADC/DAC systems. In addition, the LM7372 is

specified for 5V operation for portable applications.

™

The LM7372 is built on National’s Advance VIP III (Verti-

cally integrated PNP) complementary bipolar process.

Typical Application

20004903

FIGURE 1. Single Supply Application (SOIC-16)

DS200049

www.national.com

12 3 4 5 6 7...15

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