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ADMP401 MEMS Omnidirectional Microphone High SNR Low Power Module Analog Output

Model: RKI-4620
Availability : In Stock
₹547.00
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The ADMP401 is a high quality, low cost, low power analog output bottom-ported omnidirectional MEMS microphone. The ADMP401 consists of a MEMS microphone element, an impedance converter, and an output amplifier. The ADMP401 sensitivity specification makes it an excellent choice for both near field and far field applications. The ADMP401 has a high SNR and flat wideband frequency response, resulting in natural sound with high intelligibility. Low current consumption enables long battery life for portable applications. A built-in particle filter provides for high reliability. The ADMP401 complies with the TIA-920 standard Telecommunications Telephone Terminal Equipment Transmission Requirements for Wideband Digital Wireline Telephones.
 
This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone's input can fit flush against the enclosure of your project. Plus you will not have to deal with trying to solder the microphone's wacky footprint.
 
The amplifier on the breakout has a gain of 67 and more than meets the bandwidth requirements of the mic. The amplifier's AUD output will float at one half Vcc when no sound is being picked up. The amplifier produces a peak-to-peak output of about 200mV when the microphone is held at arms length and is being talked into at normal conversational volume levels. So the AUD output can easily be connected to the ADC of a micro.
Overview:
  • Omnidirectional MEMS microphone
  • High SNR
  • Low current consumption
Features:
  • ADMP401 is a high quality, low cost, low power analog output bottom-ported omnidirectional MEMS microphone
  • This tiny breakout board features the ADMP401 MEMs microphone
Specifications:
  • -3dB roll off at 100Hz and 15kHz
  • 1.5 to 3.3VDC supply voltage
  • Should comfortably output 40mW
  • SNR of -62dBA
Applications:
  • Smartphones and feature phones
  • Digital video cameras
  • Bluetooth headsets
  • Video phones
  • Teleconferencing systems
Pinouts:
  • Vcc: 1.5 to 3.3V DC
  • GND: GND
  • AUD: Output Signal
Package Includes:
  • 1 x ADMP401 MEMS Omnidirectional Microphone High SNR Low Power Module Analog Output
 
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