Maxim has introduced the MAX9622, a precision operational amplifier with high gain bandwidth.
It employs a unique auto trimming technique to precisely calibrate the input-offset voltage (VOS) on power-up. This approach enables the device to achieve a VOS of only 100 μV to allow the use of a small sense resistor, thus improving system efficiency by reducing sense resistor power consumption. The device is well suited for active filter design and low-side current sensing in power modules and automotive power supplies.
The MAX9622 features a rail-to-rail output, a 50 MHz gain bandwidth, and an input common-mode voltage range that extends below ground. These features enable the op-amp to interact with a wide range of high-speed applications while providing high-frequency sampling and fast recovery from saturation. The chip is packaged in a 2 x 2 mm, 5-pin SC70 and is fully specified over the -40°C to +125°C automotive temperature range.
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