LMH6629MF

更新时间： 2024-11-23 11:51:03

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
28页	1081K
描述
Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown

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LMH6629MF 数据手册

November 2, 2010

LMH6629

Ultra-Low Noise, High-Speed Operational Amplifier with

Shutdown

General Description

Features

The LMH6629 is a high-speed, ultra low-noise amplifier de-

signed for applications requiring wide bandwidth with high

gain and low noise such as in communication, test and mea-

surement, optical and ultrasound systems.

Specified for V_S= 5V, R_L= 100Ω, A_V= 10V/V LLP-8 package,

unless specified

–3dB bandwidth

Input voltage noise

Input offset voltage max. over temperature

Slew rate

HD2 @ f = 1MHz, 2V_PP

HD3 @ f = 1MHz, 2V_PP

Supply voltage range

Typical supply current

Selectable min. gain

Enable Time

900 MHz

0.69 nV/√Hz

±0.8 mV

1600 V/ μs

−90 dBc

−94 dBc

2.7V to 5.5V

15.5 mA

■

The LMH6629 operates on 2.7 to 5.5V supply with an input

common mode range that extends below ground and outputs

that swing to within 0.8V of the rails for ease of use in single

supply applications. Heavy loads up to ±250 mA can be driven

by high-frequency large signals with the LMH6629's –3dB

bandwidth of 900 MHz and 1600 V/µs slew rate. The

LMH6629 (LLP-8 package only) has user-selectable internal

compensation for minimum gains of 4 or 10 controlled by

pulling the COMP pin low or high, thereby avoiding the need

for external compensation capacitors required in competitive

devices. Compensation for the SOT23-5 package is internally

set for a minimum stable gain of 10 V/V. The LLP-8 package

also provides the power-down enable/ disable feature.

≥4 or ≥10 V/V

75 ns

Output Current

LLP-8 and SOT23-5 Packages

±250 mA

Applications

The low-input noise (0.69nV/√Hz and 2.6 pA/√Hz), low dis-

tortion (HD2/ HD3 = −90 dBc/−94 dBc) and ultra-low DC

errors (800 µV V_OSmaximum over temperature, ±0.45 µV/°C

drift) allow precision operation in both AC- and DC-coupled

applications.

Instrumentation Amplifiers

■

Ultrasound Pre-amps

Wide-band Active Filters

Opto-electronics

The LMH6629 is fabricated in National Semiconductor’s pro-

prietary SiGe process and is available in a 3mm x 3mm 8-pin

LLP, as well as the SOT23-5, package.

Medical imaging systems

Base-station Amplifiers

Low-Noise Single Ended to Differential Conversion

Trans-impedance amplifier

■

Typical Application Circuit

30068011

FIGURE 1. Transimpedance Amplifier

300680

www.national.com

12 3 4 5 6 7...28

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与LMH6629MF相关器件

型号	品牌	获取价格	描述	数据表
LMH6629MF/NOPB	TI	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629MFE	NSC	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629MFE/NOPB	TI	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629MFX/NOPB	TI	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629SD	NSC	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629SD/NOPB	TI	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629SDE	NSC	获取价格	Ultra-Low Noise, High Speed Operational Amplifier
LMH6629SDE/NOPB	TI	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown
LMH6629SDX	NSC	获取价格	Ultra-Low Noise, High Speed Operational Amplifier
LMH6629SDX/NOPB	TI	获取价格	Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown

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