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    Home SENSOR/MODULE Digital High Precision Omni Directional Microphone Mic – INMP441
    LM393 Sound Detection Sensor Module KY-038 ₨ 135 Original price was: ₨ 135.₨ 120Current price is: ₨ 120.
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    PCF8574 IIC/I2C 16 Pin Serial Interface LCD Display Adapter Module ₨ 200 Original price was: ₨ 200.₨ 180Current price is: ₨ 180.

    Digital High Precision Omni Directional Microphone Mic – INMP441

    ₨ 700 Original price was: ₨ 700.₨ 600Current price is: ₨ 600.

    SCK: Serial data clock for I2S interface
    WS: Serial data word selection for I2S interface
    L/R: Left/Right channel selection.
    When set to low, the microphone outputs a signal on the left channel of the I2S frame.
    When set to high level, the microphone outputs signals on the right channel
    SD: Serial data output of the I2S interface.
    VCC: Input power, 1.8V to 3.3V.
    GND: power ground
    NMP441 connection with ESP32
    SCK -GPIO14
    SD – GPIO32
    WS – GPIO15
    L/R – GND
    GND – GND
    VDD – VDD3.3
    Features and Specifications:
    Digital I2S interface with high precision 24-bit data
    High signal to noise ratio is 61 dBA
    High sensitivity – 26 dBFS
    Stable frequency response from 60 Hz to 15 kHz
    Low power consumption: low current consumption 1.4 mA
    High PSR: -75 dBFS

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    Description

    Details

    INMP441 MEMS High Precision Omnidirectional Microphone Module I2S

    The INMP441 is a high-performance, low-power, digital output, omnidirectional MEMS microphone with a bottom port. The complete INMP441 solution consists of a MEMS sensor, signal conditioning, analog to digital converter, anti-aliasing filter, power management, and industry-standard 24-bit I2S interface.

    The I2S interface allows the INMP441 to be directly connected to digital processors such as DSPs and microcontrollers without the need for an audio codec for use in the system. The INMP441 has a high signal-to-noise ratio and is an excellent choice for near-field applications. The INMP441 has a flat wideband frequency response that results in a high definition of natural sound.

    Interface definition
    SCK: Serial data clock for I2S interface
    WS: Serial data word selection for I2S interface
    L/R: Left/Right channel selection.
    When set to low, the microphone outputs a signal on the left channel of the I2S frame.
    When set to high level, the microphone outputs signals on the right channel
    SD: Serial data output of the I2S interface.
    VCC: Input power, 1.8V to 3.3V.
    GND: power ground
    NMP441 connection with ESP32
    SCK -GPIO14
    SD – GPIO32
    WS – GPIO15
    L/R – GND
    GND – GND
    VDD – VDD3.3
    Features and Specifications:
    Digital I2S interface with high precision 24-bit data
    High signal to noise ratio is 61 dBA
    High sensitivity – 26 dBFS
    Stable frequency response from 60 Hz to 15 kHz
    Low power consumption: low current consumption 1.4 mA
    High PSR: -75 dBFS
    Package Included:
    1 x INMP441 MEMS High Precision Omnidirectional Microphone Module I2S

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