I2S Microphone Module


In stock

SKU: 1074722
  1. Input Voltage: 3.3V±0.2V(DC)
  2. Input Current: >1mA
  3. Sound Level Pressure: 140 dB SPL
  4. Sensitivity: -26(dB, dBFS@1kHz 1Pa)
  5. S/N Ratio: 57dB(20kHz bandwidth, A-weighted)


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Brand: DF Robot
Category: Sound Sensor
Tags: Sound Sensors

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

MSM26S4030H0 is an omnidirectional, bottom ported, I2S digital output MEMS microphone chip. I2S is a general-purpose digital audio interface and is 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 a digital signal and encoded through the ADC of codec. However, the product of the MSM261S4030H0 series has a built-in 24bit I2S audio port, so without adding an 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.

Nowadays, personal portable electronic products have been gradually becoming dominant in the consumer market. This kind of silicon-made microphone learns the advantages of semiconductor technology 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 low-cost and high-performance MEMS.

Package includes:

1 x I2S Microphone Module

SKU: 1074722 Category: Tag:
Input Voltage (V)


Current Consumption (mA)


Sound Level Pressure

140 dB SPL


-26(dB, dBFS@1kHz 1Pa)


Digital I2S output


16P 2.54mm Dupont Wire

Operating Temperature (°C)

-30 to 85

Length (mm):


Width (mm):


Shipping Weight 0.03 kg
Shipping Dimensions 6 × 5 × 2 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: United States (US)