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CJMCU-9812 MAX9812L Electret Microphone
$4.5000
In stock
SKU
MOD-04-025
Volume discounts:
- +25 4 % $4.3200
- +100 6 % $4.2300
- +300 8 % $4.1400
- +500 10 % $4.0500
- +1000 12 % $3.9600
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JQ8400-FL Mini MP3 Player Audio Module Previous 
The CJMCU-9812 MAX9812L Electret Microphone Module is a compact audio module for portable electronics. It uses a fixed 20 dB amplifier gain and low-noise microphone bias for clear signal handling. The module operates from 2.7V to 3.6V and is designed for low-power use. It offers 100 dB PSRR at 217 Hz and 0.015% THD + N. The supply current is 230 µA, and the low power off mode is 100 nA. Dimensions are not specified.
Features of CJMCU-9812 MAX9812L Electret Microphone Module
- 20 dB fixed gain amplifier
- Low-noise microphone bias
- Low-power shutoff mode
- Compact microphone module design
Specifications of CJMCU-9812 MAX9812L Electret Microphone Module
- Operating Voltage: 2.7V to 3.6V
- Amplifier Gain: 20 dB
- Power Supply Rejection Ratio (PSRR): 100 dB at 217 Hz
- Total Harmonic Distortion + Noise (THD + N): 0.015%
- Supply Current: 230 µA
- Low Power Off Mode: 100 nA
- Dimensions: ---
How to Use CJMCU-9812 MAX9812L Electret Microphone Module
- Provide a supply voltage within 2.7V to 3.6V.
- Connect the module for audio signal capture.
- Use the low-power off mode when reduced consumption is required.
More Info
- Datasheet available for the MAX9812-MAX9813L series.
- Suitable for portable electronics applications.
| Interface Type | Analog |
|---|---|
| Operating Voltage (V) | 2.7V to 3.6V |
| Operating Current (mA) | 0.23 |
| Operating Temp (°C) | -40 to 85 |
| Mounting Type | THT |
| Audio Function | Pre-amplifier |
| Input Types | Microphone |
| Bluetooth Ver. | No |
| Output Type | Analog |
| Channels | 1-channel |
| Chipset | MAX9812L |
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