LMH6645MF Part Information

Details for LMH6645MF by Texas Instruments

Semiconductors - ICs > Amplifiers & Comparators > Operational Amplifiers - Op Amps

Part Description

The LMH6645 (single) and LMH6646 (dual), rail-torail input and output voltage feedback amplifiers, offer high speed (55 MHz), and low voltage operation (2.7 V) in addition to micro-power shutdown capability (LMH6647, single). Input common mode voltage range exceeds either supply by 0.3 V, enhancing ease of use in multitude of applications where previously only inferior devices could be used. Output voltage range extends to within 20 mV of either supply rails, allowing wide dynamic range especially in low voltage applications. Even with low supply current of 650 μA/amplifier, output current capability is kept at a respectable ±20 mA for driving heavier loads. Important device parameters such as BW, Slew Rate and output current are kept relatively independent of the operating supply voltage by a combination of process enhancements and design architecture.

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Part Features

  • (VS = 2.7V, TA = 25u00b0C, RL = 1ku2126 to V+ /2, AV = +1. Typical Values Unless Specified.
  • Input Common Mode Voltage 0.3 V Beyond Rails
  • Input Current Noise 0.75 pA/u221aHz
  • Input Voltage Noise 17 nV/u221aHz
  • Linear Output Current u00b120 mA
  • Output Short Circuit Current 42 mA
  • Output Voltage Swing 20 mV from Rails
  • Slew Rate 22 V/u03bcs
  • Supply Current 650 u03bcA/channel
  • Supply Voltage Range 2.5 V to 12 V
  • u22123dB BW 55 MHz

Part Specifications

No. of Amplifiers 1 Amplifier, 1Amplifiers
Bandwidth 80MHz
Slew Rate 22V/µs
Supply Voltage Range 2.5V to 12V
Amplifier Case Style SOT-23
No. of Pins 5Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Amplifer Supply Voltage 2.5V to 12V
Amplifier Type Rail - Rail Input / Output (RRIO)
Base Number 6645
Gain Bandwidth 55MHz
I/O Type Rail-Rail I/O
Op Amp Type Rail to Rail
Operating Temperature Range -40°C to +125°C
Supply Current 650µA
Supply Voltage + Nom 12V
Supply Voltage Max 12V
Supply Voltage Min 2.5V
RoHS Compliant

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