LMH6643QMM

更新时间： 2024-11-04 11:46:03

品牌	Logo	应用领域
德州仪器 - TI		放大器
页数	文件大小	规格书
21页	590K
描述
Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers

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技术参数
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LMH6643QMM 技术参数

生命周期：	Obsolete	零件包装代码：	MSOP
包装说明：	TSSOP,	针数：	8
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.42

LMH6643QMM 数据手册

January 18, 2012

LMH6642Q / LMH6643Q

Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers

General Description

Features

The LMH664X family true single supply voltage feedback am-

plifiers offer high speed (130MHz), low distortion (−62dBc),

and exceptionally high output current (approximately 75mA)

at low cost and with reduced power consumption when com-

pared against existing devices with similar performance.

(V_S= ±5V, T_A= 25°C, R_L= 2kΩ, A_V= +1. Typical values un-

less specified).

−3dB BW (A_V= +1)

Supply voltage range

130MHz

2.7V to 10V

130V/µs

2.7mA/amp

■

Slew rate (Note 8), (A_V= −1)

Supply current (no load)

Output short circuit current

Linear output current

Input common mode volt.

Output voltage swing

Input voltage noise (100kHz)

Input current noise (100kHz)

THD (5MHz, R_L= 2kΩ, V_O= 2V_PP, A_V= +2)

Settling time

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

Overdrive recovery

Output short circuit protected (Note 11)

No output phase reversal with CMVR exceeded

LMH6643QMM and LMH6642QMF are AEC-Q100 grade

3 qualified and are manufactured on an automotive grade

flow

Input common mode voltage range extends to 0.5V below V

−

and 1V from V⁺. Output voltage range extends to within

+115mA/−145mA

40mV of either supply rail, allowing wide dynamic range es-

pecially desirable in low voltage applications. The output

stage is capable of approximately 75mA in order to drive

heavy loads. Fast output Slew Rate (130V/µs) ensures large

peak-to-peak output swings can be maintained even at higher

speeds, resulting in exceptional full power bandwidth of

40MHz with a 3V supply. These characteristics, along with

low cost, are ideal features for a multitude of industrial and

commercial applications.

±75mA

0.5V beyond V⁻, 1V from V⁺

40mV from rails

17nV/

0.9pA/

−62dBc

68ns

Careful attention has been paid to ensure device stability un-

der all operating voltages and modes. The result is a very well

behaved frequency response characteristic (0.1dB gain flat-

ness up the 12MHz under 150Ω load and A_V= +2) with

minimal peaking (typically 2dB maximum) for any gain setting

and under both heavy and light loads. This along with fast

settling time (68ns) and low distortion allows the device to

operate well in ADC buffer, and high frequency filter applica-

tions as well as other applications.

100ns

Applications

Active filters

■

This device family offers professional quality video perfor-

mance with low DG (0.01%) and DP (0.01°) characteristics.

Differential Gain and Differential Phase characteristics are al-

so well maintained under heavy loads (150Ω) and throughout

the output voltage range. The LMH664X family is offered in

single (LMH6642), dual (LMH6643). See ordering information

for packages offered.

CD/DVD ROM

ADC buffer amp

Portable video

Current sense buffer

Automotive

Closed Loop Gain vs. Frequency for Various Gain

Large Signal Frequency Response

30158347

30158335

301583 SNOSC61A

www.ti.com

12 3 4 5 6 7...21

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与LMH6643QMM相关器件

型号	品牌	获取价格	描述	数据表
LMH6643QMM/NOPB	TI	获取价格	Low Power, 130 MHz, 75 mA Rail-to-Rail Output Amplifiers
LMH6643QMMX	TI	获取价格	Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
LMH6643QMMX/NOPB	TI	获取价格	Low Power, 130 MHz, 75 mA Rail-to-Rail Output Amplifiers
LMH6643Q-Q1	TI	获取价格	Low Power, 130 MHz, 75 mA Rail-to-Rail Output Amplifiers
LMH6644	TI	获取价格	LMH6642/LMH6643/LMH6644 Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
LMH6644	NSC	获取价格	3V, Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
LMH6644 MDC	TI	获取价格	低功耗、130MHz、75mA 轨到轨输出放大器 \| Y \| 0 \| -40 to 85
LMH6644EP	NSC	获取价格	Enhanced Plastic Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
LMH6644MA	NSC	获取价格	3V, Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
LMH6644MA	TI	获取价格	LMH6642/LMH6643/LMH6644 Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers

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