MAX4062EUB+

The MAX4062EUB+ is a differential microphone preamplifier with internal bias in 10 pin µMAX package. It is a differential-input microphone preamplifier optimized for notebook and PDA audio systems. This device features adjustable gain with excellent power-supply rejection and common- mode rejection ratios, making them ideal for low noise applications in portable audio systems. The MAX4062 are capable of switching their output between the differential input and a single ended auxiliary microphone amplifier input. In addition, the MAX4062 has a low noise microphone bias generator. The differential gain of the MAX4062 is set with a single resistor.

• Supply voltage range is 2.4V to 5.5V
• Operating temperature range from -40°C to 85°C
• High PSRR is 86dB at 1KHz and high CMRR is 70dB at 1KHz
• Supply current is 750μA
• ±4KV ESD protection (AUX_IN)
• Rail to rail outputs
• THD+N is 0.04% at 1KHz

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Signal Processing, Portable Devices

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