DF Robot I2S Microphone Module

This high sensitivity single microphone module features MSM261S4030H0 digital silicon chip, I2S output, onboard SK9822 series RGB LED, and two-wire control color.

MSM26S4030H0 is omnidirectional, bottom ported, I2S digital output MEMS microphone chip. I2S is a general-purpose digital audio interface and widely used in DSP and digital audio processing fields. In a conventional audio system, the audio signal collected by the microphone will be converted into analog voltage and output, and then processed by the main controller chip after being changed into digital signal and encoded through the ADC of codec. However, the product of MSM261S4030H0 series has built-in 24bit I2S audio port, so without adding extra Codec, it is able to realize full digital signal connections with DSP or MCU. The raw digital audio signal is directly output to the main controller chip. As a result, the complexity of designing signal chains will be greatly reduced, which allows the product to hold advantages in size, cost, power consumption, and anti-interference.

SEN0327-003

Nowadays, personal portable electronic products have been gradually becoming dominant in the consumer market. This kind of silicon-made microphone takes advantage of semiconductor technologies and combines high repeatability of production, excellent sound performance, and great expansibility. Therefore, it can be said with confidence that in the near future, the traditional ECM (electret condenser microphone) will be replaced by the low cost and high-performance MEMS.

Quick Spec

  • Dimension: 15.2 x 9.1mm
  • Input Voltage: 3.3V ±0.2V (DC)
  • Input Current: >1mA
  • Sound Level Pressure: 140 dB SPL
  • Sensitivity: -26 (dB, dBFS@1kHz 1Pa)
  • S/N Ratio: 57dB (20kHz bandwidth, A-weighted)
  • Operating Temperature: -30℃ ~ +85℃
  • Output: digital I2S output
  • Connector: 16P 2.54mm Du Pont Wire
  • Weight: 2g

Resources

Shipping List

  • 1 x DF Robot I2S Microphone Module


DF Robot I2S Microphone Module

  • Brand: DF Robot
  • Product Code: SEN0327
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock D5
    Stellenbosch New Product Arriving Soon
  • R65.00 (Inc Tax: R74.75)


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Tags: i2s, mic, microphone, module, sound, audio, mems, msm261s4030h0, sk9822, sipeed