MAX9810 Datasheet | Maxim Integrated

19-2515; Rev 0; 7/02 Electret Condenser Microphone Cartridge Preamplifier .. General Description Features o Replaces FET in Electret Condenser Microphone o 2.3V to 5.5V Single-Supply Operation o Low-Impedance Output (<0.4Ω) o High PSRR: 82dB o Three High-Gain Options: MAX9810A: 24dB MAX9810B: 27dB MAX9810C: 30dB o Internal Bias Voltage o Low Supply Current (670µA) o Rail-to-Rail® Output o No Output Phase Reversal During Overload Conditions o Available in a Tiny 4-Bump UCSP The MAX9810 microphone preamplifier is intended for use inside electret condenser microphone (ECM) cartridges. Current solutions use a FET as an impedance converter. FETs have limited gain,...