LMH6553MR

更新时间： 2024-11-24 05:42:27

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
24页	742K
描述
900 MHz Fully Differential Amplifier With Output Limiting Clamp

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LMH6553MR 数据手册

November 17, 2008

LMH6553

900 MHz Fully Differential Amplifier With Output Limiting

Clamp

General Description

Features

The LMH6553 is a 900 MHz differential amplifier with an in-

tegrated adjustable output limiting clamp. The clamp increas-

es system performance and provides transient over-voltage

protection to following stages. The internal clamp feature of

the LMH6553 reduces or eliminates the need for external dis-

crete overload protection networks. When used to drive

ADCs, the amplifier's output clamp allows low voltage ADC

inputs to be protected from being overdriven and damaged by

large input signals appearing at the system input. Fast over-

drive recovery of 600 ps ensures the amplifier output rapidly

recovers from a clamping event and quickly resumes to follow

the input signal. The LMH6553 delivers exceptional band-

width, distortion, and noise performance ideal for driving

ADCs up to 14-bits. The LMH6553 could also be used for au-

tomotive, communication, medical, test and measurement,

video, and LIDAR applications.

900 MHz −3 dB small signal bandwidth @ A_V= 1

■

670 MHz −3 dB large signal bandwidth @ A_V= 1

−79 dB THD @ 20 MHz

−92 dB IMD3 @ f_c= 20 MHz

10 ns settling time to 0.1%

600 ps clamp overdrive recovery time

40 mV clamp accuracy with 100% Overdrive

−0.1 mV/°C clamp temperature drift

4.5 to 12 supply voltage operation

■

Applications

Differential ADC driver

■

Video over twisted pair

Differential line driver

With external gain set resistors and integrated common mode

feedback, the LMH6553 can be configured as either a differ-

ential input to differential output or single ended input to

differential output gain block. The LMH6553 can be AC or DC

coupled at the input which makes it suitable for a wide range

of applications including communication systems and high

speed oscilloscope front ends. The LMH6553 is available in

8-pin PSOP and 8-pin LLP packages, and is part of our

LMH^®high speed amplifier family.

Single end to differential converter

High speed differential signaling

IF/RF amplifier

SAW filter buffer/driver

CCD Output Limiting Amplifier

Automotive Safety Applications

■

Typical Application

Single-Ended Input Differential Output ADC Driver

30043769

LMH^®is a registered trademark of National Semiconductor Corporation.

300437

www.national.com

12 3 4 5 6 7...24

中文翻译

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与LMH6553MR相关器件

型号	品牌	获取价格	描述	数据表
LMH6553MR/NOPB	TI	获取价格	具有输出限制钳位的 900MHz 全差动放大器 \| DDA \| 8 \| -40 to 12
LMH6553MRE	NSC	获取价格	900 MHz Fully Differential Amplifier With Output Limiting Clamp
LMH6553MRE/NOPB	TI	获取价格	具有输出限制钳位的 900MHz 全差动放大器 \| DDA \| 8 \| -40 to 12
LMH6553MRX	NSC	获取价格	900 MHz Fully Differential Amplifier With Output Limiting Clamp
LMH6553MRX/NOPB	TI	获取价格	具有输出限制钳位的 900MHz 全差动放大器 \| DDA \| 8 \| -40 to 12
LMH6553SD	NSC	获取价格	900 MHz Fully Differential Amplifier With Output Limiting Clamp
LMH6553SD/NOPB	TI	获取价格	具有输出限制钳位的 900MHz 全差动放大器 \| NGS \| 8 \| -40 to 12
LMH6553SDE	NSC	获取价格	900 MHz Fully Differential Amplifier With Output Limiting Clamp
LMH6553SDE/NOPB	TI	获取价格	具有输出限制钳位的 900MHz 全差动放大器 \| NGS \| 8 \| -40 to 12
LMH6553SDX	NSC	获取价格	900 MHz Fully Differential Amplifier With Output Limiting Clamp

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