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2pcs GY-MAX4466 Electret Microphone Amplifie Breakout Sensor with Adjustable Gain Control

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$6.47

$ 3 .59 $3.59

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  • 【Components】The package contains a pair of MAX4466 electret microphone modules, each with dimensions of 20.8 x 13.8 x 7.5 millimeters
  • 【Micropower Design】The MAX4466 is a low-power operational amplifier specifically tailored for microphone preamplification. It offers consistent gain performance and achieves a 200kHz gain bandwidth with a mere 24μA supply current. Post-amplification, it ensures a stable minimum gain of +5V/V and delivers a gain bandwidth product of 600kHz
  • 【Audio Performance】These microphone modules boast a rail-to-rail output, high AVOL, and superior power supply rejection, and common-mode rejection ratios, making them ideal for use in environments with a high level of noise. They are extensively utilized in applications such as mobile phones, digital repeaters, earphones, hearing aids, microphone preamps, portable computing devices, and voice recognition systems
  • 【Versatile Applications】The MAX4466 is particularly well-suited for projects involving voice modulation, audio recording, and audio processing that incorporates Fast Fourier Transform (FFT) analysis. A small trimmer potentiometer is integrated on the back for fine-tuning the gain
  • 【Technical Specifications】The module operates on a power voltage range from +2.4V to +5.5V, compatible with direct connection to development boards. It features a power supply rejection ratio of 112dB, a common mode rejection ratio of 126dB, and an AVOL of 125dB (with a load resistance of 100kΩ). It consumes a static supply current of less than 24μA and provides a gain bandwidth of 600kHz



Introduction
The MAX4466 are micropower operational amplifiers optimized for use as microphone preamplifiers. They offer an ideal combination of optimized gain-bandwidth product and supply current, as well as low-voltage operation in an ultra-small package. The MAX4466 is gain-stable and provides a 200kHz gain-bandwidth with only 24μA of supply current. After decompression, a minimum stable gain of +5V/V is achieved and a 600kHz gain-bandwidth product is provided. In addition, these amplifiers feature rail-to-rail output, high AVOL, and excellent power supply rejection and common-mode rejection ratio for operation in noisy environments. They are widely used in cellular phones, digital repeaters, headphones, hearing aids, microphone preamplifiers, portable computers, and speech recognition systems.
Features
Power supply voltage: +2.4V to +5.5V (can be directly connected to STM/ARDUNIO/Raspberry Pi and other development boards)
Power supply rejection ratio: 112dB
Common mode rejection ratio: 126dB
AVOL: 125dB (RL = 100kΩ) rail-to-rail output
Quiescent supply current:
Gain bandwidth: 600kHz
Size: 20.8MM*13.8MM*7.5MM
Applications:
Cellular phones
Digital repeaters
Headphones
Hearing aids
Microphone preamplifiers
Portable computers
Speech recognition systems