Overview
The GY-MAX4466 Microphone Module is a low-noise analog microphone breakout board designed for sound detection and audio recording applications. It operates within a voltage range of +2.4V to +5.5V, making it compatible with a wide range of microcontrollers and development boards. The module features an impressive Power Supply Rejection Ratio (PSRR) of 112dB and a Common-Mode Rejection Ratio (CMRR) of 126dB, ensuring clean and stable audio output even in noisy environments.
With an open-loop voltage gain (AVOL) of 125dB when connected to a 100kΩ load and rail-to-rail output capability, it delivers strong amplification with minimal distortion. The quiescent current consumption is under 24μA, making it highly efficient for battery-powered projects. Additionally, it supports a wide gain bandwidth of 600KHz, suitable for capturing a broad range of audio frequencies.
Tiny and lightweight, the module measures 20.8mm × 13.8mm × 7.5mm and weighs approximately 2.6 grams, making it ideal for space-constrained designs.
Specification
Technical details for MAX4466 Electret Microphone Amplifier Breakout Board.
| Specification | Details |
|---|---|
| Product Name | Microphone Module |
| Model | GY-MAX4466 |
| Power Supply Voltage | +2.4V to +5.5V |
| Power Supply Rejection Ratio | 112dB |
| Common-Mode Rejection Ratio | 126dB |
| AVOL (Open Loop Gain) | 125dB (RL = 100k), rail-to-rail output |
| Quiescent Supply Current | <24μA |
| Gain Bandwidth | 600KHz |
| Dimensions | 20.8 × 13.8 × 7.5 mm |
| Weight | Approx. 2.6g |
Pinout
Pinout for MAX4466 Electret Microphone Amplifier Breakout Board.
| Pin | Label | Description |
|---|---|---|
| 1 | VCC | Power Supply Input (+2.4V to +5.5V) |
| 2 | GND | Ground |
| 3 | OUT | Analog Audio Output Signal |
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