MAX9810C

Electret Condenser Microphone Cartridge Preamplifier

The MAX9810 microphone preamplifier is intended for use inside electret condenser microphone (ECM) cartridges. The MAX9810 replaces the FET currently used with a high-gain, high-noise rejection, low output-impedance amplifier.

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Part Details

  • Replaces FET in Electret Condenser Microphone
  • 2.3V to 5.5V Single-Supply Operation
  • Low-Impedance Output (<0.4Ω)
  • High PSRR: 82dB
  • Three High-Gain Options:
    • MAX9810A: 24dB
    • MAX9810B: 27dB
    • MAX9810C: 30dB
  • Internal Bias Voltage
  • Low Supply Current (670µA)
  • Rail-to-Rail Output
  • No Output Phase Reversal During Overload Conditions
  • Available in a Tiny 4-Bump UCSP
MAX9810C
Electret Condenser Microphone Cartridge Preamplifier
MAX9810: Typical Operating Circuit
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