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MAX40075/MAX40088
10MHz/42MHz Low-Noise, Low-Bias Op Amps
General Description
Benefits and Features
The MAX40075/MAX40088 are wideband, low-noise, lowinput bias current operational amplifiers offering rail-torail outputs and single-supply operation down to 2.7V.
They draw 2.2mA of quiescent supply current per amplifier
when enabled and have ultra-low distortion (0.0002%
THD+N), as well as low input voltage-noise density
(4.2nV/√Hz) and low input current-noise density
(0.5fA/√Hz). The low input bias current and low noise together with the wide bandwidth suit transimpedance amplifiers and imaging applications.
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For power conservation, the MAX40075/MAX40088 offer
a low-power shutdown mode that reduces supply current
to 0.1μA and places the amplifiers outputs into a high impedance state. These amplifiers have outputs which swing
rail-to-rail and their input common-mode voltage range includes ground. The MAX40075 is unity-gain stable with
a gain-bandwidth product of 10MHz. The MAX40088 is
gain-of-5 stable with a gain-bandwidth product of 42MHz.
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Applications
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ADC Buffers
DAC Output Amplifiers
Low-Noise Microphone/Preamplifiers
Digital Scales
Strain Gauges/Sensor Amplifiers
Transimpedance Amplifiers
Medical Instrumentation
Automotive Power Train
19-100106; Rev 7; 11/20
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Low Input Voltage-Noise Density: 4.2nV/√Hz at 30kHz
Low Input Current-Noise Density: 0.5fA/√Hz
Low Input Bias Current:
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