LMH6639

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		放大器
页数	文件大小	规格书
17页	645K
描述
190MHz Rail-to-Rail Output Amplifier with Disable

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LMH6639 数据手册

July 2003

LMH6639

190MHz Rail-to-Rail Output Amplifier with Disable

General Description

Features

The LMH6639 is a voltage feedback operational amplifier

with a rail-to-rail output drive capability of 110mA. Employing

National’s patented VIP10 process, the LMH6639 delivers a

bandwidth of 190MHz at a current consumption of only

3.6mA. An input common mode voltage range extending to

0.2V below the V⁻and to within 1V of V⁺, makes the

LMH6639 a true single supply op-amp. The output voltage

range extends to within 30mV of either supply rail providing

the user with a dynamic range that is especially desirable in

low voltage applications.

(V_S= 5V, Typical values unless specified)

n Supply current (no load)

n Supply current (off mode)

n Output resistance (closed loop 1MHz)

n −3dB BW (A_V= 1)

3.6mA

400µA

0.186Ω

190MHz

33nsec

n Settling time

n Input common mode voltage

n Output voltage swing

−0.2V to 4V

40mV from rails

110mA

n Linear output current

n Total harmonic distortion

n Fully characterized for 3V, 5V and 5V

n No output phase reversal with CMVR exceeded

n Excellent overdrive recovery

n Off Isolation 1MHz

−60dBc

The LMH6639 offers a slew rate of 172V/µs resulting in a full

power bandwidth of approximately 28MHz. The T_ONvalue of

83nsec combined with a settling time of 33nsec makes this

device ideally suited for multiplexing applications. Careful

attention has been paid to ensure device stability under all

operating voltages and modes. The result is a very well

behaved frequency response characteristic for any gain set-

ting including +1, and excellent specifications for driving

video cables including harmonic distortion of −60dBc, differ-

ential gain of 0.12% and differential phase of 0.045˚

−70dB

0.12%

0.045˚

n Differential Gain

n Differential Phase

Applications

n Active filters

n CD/DVD ROM

n ADC buffer amplifier

n Portable video

n Current sense buffer

20030246

FIGURE 1. Typical Single Supply Schematic

DS200302

www.national.com

12 3 4 5 6 7...17

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与LMH6639相关器件

型号	品牌	获取价格	描述	数据表
LMH6639 MDC	TI	获取价格	具有禁能功能的 190MHz 轨到轨输出放大器 \| Y \| 0 \| -40 to 85
LMH6639MA	NSC	获取价格	190MHz Rail-to-Rail Output Amplifier with Disable
LMH6639MA	TI	获取价格	具有禁能功能的 190MHz 轨到轨输出放大器 \| D \| 8 \| -40 to 85
LMH6639MA/NOPB	NSC	获取价格	IC OP-AMP, 7000 uV OFFSET-MAX, 90 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier
LMH6639MA/NOPB	TI	获取价格	具有禁能功能的 190MHz 轨到轨输出放大器 \| D \| 8 \| -40 to 85
LMH6639MAX	NSC	获取价格	190MHz Rail-to-Rail Output Amplifier with Disable
LMH6639MAX/NOPB	NSC	获取价格	IC OP-AMP, 7000 uV OFFSET-MAX, 90 MHz BAND WIDTH, PDSO8, SOIC-8, Operational Amplifier
LMH6639MAX/NOPB	TI	获取价格	具有禁能功能的 190MHz 轨到轨输出放大器 \| D \| 8 \| -40 to 85
LMH6639MF	NSC	获取价格	190MHz Rail-to-Rail Output Amplifier with Disable
LMH6639MF	TI	获取价格	具有禁能功能的 190MHz 轨到轨输出放大器 \| DBV \| 6 \| -40 to 85

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