INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino
![INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino]()
![INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino]()
![INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino]()
![INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino]()
![INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino]()
![INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino]()
Thanks to its I2S digital interface, the INMP441 can be directly connected to microcontrollers, DSPs, and processors such as the ESP32 without requiring an external audio codec. With a high signal-to-noise ratio (61 dBA), flat wideband frequency response, and excellent sensitivity, this microphone is ideal for near-field audio capture and high-definition sound applications.
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INMP441 Omnidirectional MEMS Microphone Module with I2S Interface for ESP32 & Arduino
Available:In Stock
- Product SKU: KG1312
₹ 448
₹ 599
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Warehouse Details:
Specification
Description
INMP441 MEMS High Precision Omnidirectional Microphone Module (I2S)
The INMP441 is a high-performance, low-power, digital output omnidirectional MEMS microphone featuring a bottom-port acoustic design. It integrates a MEMS sensor, signal conditioning circuitry, ADC, anti-aliasing filter, power management, and an industry-standard 24-bit I2S interface into a single compact module.Thanks to its I2S digital interface, the INMP441 can be directly connected to microcontrollers, DSPs, and processors such as the ESP32 without requiring an external audio codec. With a high signal-to-noise ratio (61 dBA), flat wideband frequency response, and excellent sensitivity, this microphone is ideal for near-field audio capture and high-definition sound applications.
Features
- Digital I2S interface with high-precision 24-bit audio data
- High signal-to-noise ratio of 61 dBA
- High sensitivity of -26 dBFS
- Stable and flat frequency response from 60 Hz to 15 kHz
- Low power consumption (typical current 1.4 mA)
- High power supply rejection ratio (PSR): -75 dBFS
- Omnidirectional MEMS microphone
- Ideal for direct connection to microcontrollers and DSPs
Interface Definition
- SCK: Serial clock for I2S interface
- WS: Word select (left/right channel selection)
- L/R: Channel select (Low = Left, High = Right)
- SD: Serial data output
- VCC: Power input (1.8V – 3.3V)
- GND: Ground
ESP32 Connection Reference
- SCK → GPIO14
- SD → GPIO32
- WS → GPIO15
- L/R → GND
- GND → GND
- VDD → 3.3V
Technical Details
- Item Type: MEMS Microphone Module
- Model: INMP441
- Interface: Digital I2S
- Data Resolution: 24-bit
- Frequency Range: 60 Hz – 15 kHz
- Signal-to-Noise Ratio: 61 dBA
- Sensitivity: -26 dBFS
- Current Consumption: 1.4 mA (typical)
- Power Supply Rejection (PSR): -75 dBFS
- Operating Voltage: 1.8V – 3.3V
Applications
- Voice recognition systems
- Audio recording and sound detection
- ESP32 and IoT audio projects
- Smart speakers and voice assistants
- Speech processing and noise monitoring
- Embedded audio applications
Physical Attributes
- Compact PCB module design
- Bottom-port MEMS microphone structure
- Weight: 1g
Package Includes
- 1 × INMP441 MEMS High Precision Omnidirectional Microphone Module (I2S)
- 2 × 3 Pin Male Header
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