LMH6658

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		放大器
页数	文件大小	规格书
20页	784K
描述
270MHz Single Supply, Single & Dual Amplifiers

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中文翻译

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LMH6658 数据手册

October 2004

LMH6657/LMH6658

270MHz Single Supply, Single & Dual Amplifiers

General Description

Features

The LMH6657/6658 are low-cost operational amplifiers that

operate from a single supply with input voltage range ex-

tending below the V⁻. Based on easy to use voltage feed-

back topology and boasting fast slew rate (700V/µs) and

high speed (140MHz GBWP), the LMH6657 (Single) and

LMH6658 (dual) can be used in high speed large signal

applications. These applications include instrumentation,

communication devices, set-top boxes, etc.

V_S= 5V, T_A= 25˚C, R_L= 100Ω (Typical values unless

specified)

n −3dB BW (A_V= +1)

n Supply voltage range

n Slew rate, (V_S

n Supply current

n Output current

n Input common mode volt. 0.5V beyond V⁻, 1.7V from V⁺

n Output voltage swing (R_L= 2kΩ)

n Input voltage noise

n Input current noise

270MHz

3V to 12V

700V/µs

5V)

6.2mA/amp

+80/−90mA

With a -3dB BW of 100MHz (A_V= +2) and DG & DP of 0.03%

& 0.10˚ respectively, the LMH6657/6658 are well suited for

video applications. The output stage can typically supply

80mA into the load with a swing of about 1V from either rail.

0.8V from rails

11nV/

2.1pA/

n DG error

n DP error

n THD (5MHz)

n Settling time (0.1%)

n Fully characterized for 5V, and 5V

n Output overdrive recovery

n Output short circuit protected (Note 10)

0.03%

0.10˚

−55dBc

37ns

For Industrial applications, the LMH6657/6658 are excellent

cost-saving choices. Input referred voltage noise is low and

the input voltage can extend below V⁻to ease amplification

of low level signals that could be at or near the system

ground. With low distortion and fast settling, LMH6657/6658

can provide buffering for A/D and D/A applications.

18ns

The LMH6657/6658 versatility and ease of use is extended

even further by offering these high slew rate , high speed Op

Amps in miniature packages such as SOT23-5, SC70,

SOIC-8, and MSOP-8. Refer to the Ordering Information

section for packaging options available for each device.

n No output phase reversal with CMVR exceeded

Applications

n CD/DVD ROM

n ADC buffer amp

n Portable video

n Current sense buffer

n Portable communications

Connection Diagrams

SOT23-5/SC70-5 (LMH6657)

SOIC-8/MSOP-8 (LMH6658)

20053261

20053263

Top View

DS200532

www.national.com

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中文翻译

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与LMH6658相关器件

型号	品牌	获取价格	描述	数据表
LMH6658MA	TI	获取价格	LMH6657/LMH6658 270MHz Single Supply, Single & Dual Amplifiers
LMH6658MA/NOPB	TI	获取价格	270MHz 单电源、单路和双路运算放大器 \| D \| 8 \| -40 to 85
LMH6658MA/NOPB	NSC	获取价格	IC 1 CHANNEL, VIDEO AMPLIFIER, PDSO8, SOIC-8, Audio/Video Amplifier
LMH6658MAX	TI	获取价格	LMH6657/LMH6658 270MHz Single Supply, Single & Dual Amplifiers
LMH6658MAX/NOPB	NSC	获取价格	IC 1 CHANNEL, VIDEO AMPLIFIER, PDSO8, SOIC-8, Audio/Video Amplifier
LMH6658MAX/NOPB	ROCHESTER	获取价格	1 CHANNEL, VIDEO AMPLIFIER, PDSO8, SOIC-8
LMH6658MAX/NOPB	TI	获取价格	270MHz 单电源、单路和双路运算放大器 \| D \| 8 \| -40 to 85
LMH6658MM	TI	获取价格	LMH6657/LMH6658 270MHz Single Supply, Single & Dual Amplifiers
LMH6658MM/NOPB	NSC	获取价格	IC 1 CHANNEL, VIDEO AMPLIFIER, PDSO8, MSOP-8, Audio/Video Amplifier
LMH6658MM/NOPB	TI	获取价格	270MHz 单电源、单路和双路运算放大器 \| DGK \| 8 \| -40 to 85

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