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CMAMP110 Microphone Amplifier
Features
• • • • • • • • • • Microsoft PC99 & PC2001 compliant Differential and Single-ended Microphone Inputs Internally frequency compensated for unity gain 20dB DC voltage gain (maximum) Buffered DC bias voltage for external microphone Very low supply current (< 3.0 mA) 20KΩ minimum input impedance Low Total Harmonic Distortion (0.03% at 1 KHz typical) Small MSOP package Lead-free version available
Product Description
The CMAMP110 Microphone Amplifier selects (via MIC_SELECT) between and amplifies Internal and External Microphone input signals. The device is designed to be compliant with Microsoft PC99 and PC2001 specifications.