The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
19-2515; Rev 0; 7/02
Electret Condenser Microphone Cartridge Preamplifier
www.datasheet4u.com
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
MAX9810
The MAX9810 microphone preamplifier is intended for use inside electret condenser microphone (ECM) cartridges. Current solutions use a FET as an impedance converter.