LMH6682

更新时间： 2024-11-18 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
20页	838K
描述
190MHz Single Supply, Dual and Triple Operational Amplifiers

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LMH6682 数据手册

November 2002

LMH6682/6683

190MHz Single Supply, Dual and Triple Operational

Amplifiers

The LMH6682 dual operational amplifier is offered in minia-

General Description

ture surface mount packages, SOIC-8, and MSOP-8. The

The LMH6682 and LMH6683 are high speed operational

LMH6683 triple amplifier is offered in SOIC-14 and TSSOP-

amplifiers designed for use in modern video systems. These

14.

single supply monolithic amplifiers extend National’s feature-

rich, high value video portfolio to include a dual and a triple

version. The important video specifications of differential

gain ( 0.01% typ.) and differential phase ( 0.08 degrees)

combined with an output drive current in each amplifier of

85mA make the LMH6682 and LMH6683 excellent choices

for a full range of video applications.

Features

V_S

5V, T_A= 25˚C, R_L= 100Ω, A = +2 (Typical values

unless specified)

n DG error

n DP error

0.01%

0.08˚

Voltage feedback topology in operational amplifiers assures

maximum flexibility and ease of use in high speed amplifier

designs. The LMH6682/83 is fabricated in National Semicon-

ductor’s VIP10 process. This advanced process provides a

superior ratio of speed to quiescient current consumption

and assures the user of high-value amplifier designs. Ad-

vanced technology and circuit design enables in these am-

plifiers a −3db bandwidth of 190MHz, a slew rate of 940V/

µsec, and stability for gains of less than −1 and greater than

+2.

n −3dB BW (A = +2)

190MHz

940V/µs

6.5mA/amp

+80/−90mA

n Slew rate (V_S

5V)

n Supply current

n Output current

n Input common mode voltage 0.5V beyond V⁻, 1.7V from

V⁺

n Output voltage swing (R_L= 2kΩ)

n Input voltage noise (100KHz)

0.8V from rails

12nV/

Applications

n CD/DVD ROM

n ADC buffer amp

n Portable video

n Current sense buffer

n Portable communications

The input stage design of the LM6682/83 enables an input

signal range that extends below the negative rail. The output

stage voltage range reaches to within 0.8V of either rail

when driving a 2kΩ load. Other attractive features include

fast settling and low distortion. Other applications for these

amplifiers include servo control designs. These applications

are sensitive to amplifiers that exhibit phase reversal when

the inputs exceed the rated voltage range. The LMH6682/83

amplifiers are designed to be immune to phase reversal

when the specified input range is exceeded. See applica-

tions section. This feature makes for design simplicity and

flexibility in many industrial applications.

Connection Diagrams

SOIC-8/MSOP-8 (LMH6682)

SOIC-14/TSSOP-14 (LMH6683)

20059003

20059002

Top View

DS200590

www.national.com

12 3 4 5 6 7...20

中文翻译

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与LMH6682相关器件

型号	品牌	获取价格	描述	数据表
LMH6682MA	NSC	获取价格	190MHz Single Supply, Dual and Triple Operational Amplifiers
LMH6682MA/NOPB	NSC	获取价格	IC 2 CHANNEL, VIDEO AMPLIFIER, PDSO8, SOIC-8, Audio/Video Amplifier
LMH6682MA/NOPB	TI	获取价格	双通道 190MHz 单电源运算放大器 \| D \| 8 \| -40 to 85
LMH6682MAX	NSC	获取价格	190MHz Single Supply, Dual and Triple Operational Amplifiers
LMH6682MAX/NOPB	NSC	获取价格	IC 2 CHANNEL, VIDEO AMPLIFIER, PDSO8, SOIC-8, Audio/Video Amplifier
LMH6682MAX/NOPB	TI	获取价格	双通道 190MHz 单电源运算放大器 \| D \| 8 \| -40 to 85
LMH6682MM	NSC	获取价格	190MHz Single Supply, Dual and Triple Operational Amplifiers
LMH6682MM/NOPB	NSC	获取价格	IC 2 CHANNEL, VIDEO AMPLIFIER, PDSO8, MSOP-8, Audio/Video Amplifier
LMH6682MM/NOPB	TI	获取价格	双通道 190MHz 单电源运算放大器 \| DGK \| 8 \| -40 to 85
LMH6682MMX	NSC	获取价格	190MHz Single Supply, Dual and Triple Operational Amplifiers

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