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Home » NEWEST Products » New by Manufacturer » Texas Instruments » LMH6643QMM Rail-to-Rail Output Amplifier - TI
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National Products from Texas Instruments LMH6643QMM 130MHz, 75mA Rail-to-Rail Output Amplifier

TI LMH6643QMM Rail-to-Rail Output Amplifier

Texas Instruments LMH6643QMM 130MHz, 75mA Rail-to-Rail Output Amplifier offers high speed (130MHz), low distortion (−62dBc), and exceptionally high output current (approximately 75mA) with reduced power consumption compared to existing devices with similar performance. TI LM6643QMM is AEC-Q100 grade 3 qualified and is 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 40mV of either supply rail, allowing wide dynamic range especially 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. LM6643QMM rail-to-rail output amplifier is ideal for use in a variety of industrial and commercial applications, including active filters, CD/DVD ROM. ADC buffer amp, and portable video.

Features
  • VS = ±5V, TA = 25°C
  • RL = 2kΩ, AV = +1. Typical values unless specified
  • −3dB BW (AV = +1): 130MHz
  • Supply voltage range: 2.7V to 10V
  • Slew rate, (AV = −1): 130V/µs
  • Supply current (no load): 2.7mA/amp
  • Output short circuit current: +115mA/-145mA
  • Linear output current: ±75mA
  • Input common mode voltage: 0.5V beyond V-, 1V from V+
  • Output voltage swing: 40mV from rails
  • Input voltage noise (100kHz): 17nV/√Hz
  • Input current noise (100kHz): 0.9pA/√Hz
  • THD (5MHz, RL = 2kΩ, VO = 2VPP, AV = +2): -62dBc
  • Settling time: 68ns
  • Fully characterized for 3V, 5V, and ±5V
  • Overdrive recovery: 100ns
  • Output short circuit protected
  • No output phase reversal with CMVR exceeded
  • LMH6643QMM is AEC-Q100 grade 3 qualified and is manufactured on an automotive grade flow
Applications
  • Active filters
  • CD/DVD ROM
  • ADC buffer amp
  • Portable video
  • Current sense buffer
  • Automotive

Functional Diagram

Functional Diagram
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