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Maxim > Solutions > Glucose Meters

Microphone Amplifiers

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Tiny, Low-Cost, Single/Dual-Input, Fixed-Gain Microphone Amplifiers with Integrated Bias
MAX9812, MAX9812H, MAX9812L, MAX9813, MAX9813H, MAX9813L

Industry's Smallest, Low-Noise, Low-Power Microphone Amplifiers with Integrated Bias
QV  PDF Electret Condenser Microphone Cartridge Preamplifier
MAX9810, MAX9810A, MAX9810B, MAX9810C

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.



Key Specifications:   Microphone Amplifiers
Part Number Number of Channels Supply Voltage (min) (V) Supply Voltage (max) (V) Quiescent Supply Current (typ) (mA) THD+N (%) Input Noise-Voltage Density (nV/√Hz) PSRR (db) Input Type External Gain Fixed Gain (min) (|V/V|) Fixed Gain (max) (|V/V|) Microphone Bias
MAX9812H  1 4.5 5.5 0.23 0.015 40 100 Single Ended No 10 10 Yes
MAX9812L  1 2.7 3.6 0.23 0.04 40 100 Single Ended No 10 10 Yes
MAX9813H  2 4.5 5.5 0.23 0.015 40 100 Single Ended No 10 10 Yes
MAX9813L  2 2.7 3.6 0.23 0.04 40 100 Single Ended No 10 10 Yes
See All Microphone Amplifiers (14)


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