Datasheet > LMH6639

LMH6639

更新时间： 2024-11-24 11:12:59

品牌	Logo	应用领域
德州仪器 - TI		放大器
页数	文件大小	规格书
31页	1639K
描述
具有禁能功能的 190MHz 轨到轨输出放大器

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LMH6639 数据手册

LMH6639

www.ti.com

SNOS989G –JANUARY 2002–REVISED MARCH 2013

LMH6639 190MHz Rail-to-Rail Output Amplifier with Disable

Check for Samples: LMH6639

FEATURES

DESCRIPTION

The LMH6639 is a voltage feedback operational

amplifier with a rail-to-rail output drive capability of

110mA. Employing TI’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)

Supply Current (No Load) 3.6mA

Supply Current (Off Mode) 400μA

Output Resistance (Closed Loop 1MHz) 0.186Ω

−3dB BW (A_V= 1) 190MHz

Settling Time 33nsec

Input Common Mode Voltage −0.2V to 4V

Output Voltage Swing 40mV from Rails

Linear Output Current 110mA

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

in a full power bandwidth of approximately 28MHz.

The LMH6639 also offers protection for the input

transistors by using two anti-parallel diodes and a

series resistor connected across the inputs. The T_ON

value of 83nsec combined with a settling time of

33nsec makes this device ideally suited for

multiplexing applications (see application note for

details). 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 setting including

+1, and excellent specifications for driving video

cables including harmonic distortion of −60dBc,

differential gain of 0.12% and differential phase of

0.045°

Total Harmonic Distortion −60dBc

Fully Characterized for 3V, 5V and ±5V

No Output Phase Reversal with CMVR

Exceeded

•

Excellent Overdrive Recovery

Off Isolation 1MHz −70dB

Differential Gain 0.12%

Differential Phase 0.045°

APPLICATIONS

•

Active Filters

CD/DVD ROM

ADC Buffer Amplifier

Portable Video

Current Sense Buffer

100n

OUT

INPUT

75W

REF

10n

SHUTDOWN INPUT

Figure 1. Typical Single Supply Schematic

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...31

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LMH6639 替代型号

型号	品牌	替代类型	描述	数据表
LMH6601-Q1	TI	功能相似	具有关断模式的汽车 250MHz 2.4V CMOS 运算放大器
LMH6601	TI	功能相似	具有关断状态的 250MHz、2.4V CMOS 运算放大器

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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