inmp441 omnidirectional microphone module mems high precision low power i2s interface support esp32

Download: https://pan.baidu.com/s/1bQ5_QeCSIL2UOH7wSF_IFg

Product Introduction:

INMP441is a high-performance, low-power, digital output, full-range speaker with bottom-portMEMSMicrophone. This.

completeINMP441Solution consists of oneMEMSSensor, Signal Composition Regulation, Analog-to-Digital Converter, Anti-Aliasing Filter, Power Management, and Industry Standards24"位"在中文中通常指的是位置、职位或地位。在英文中，"位"可以翻译为 "position" 或 "status"。IsquareSInterface.IsquareSThe interface allowsINMP441Directly connected to a digital processor, such asDigital Signal ProcessingAnd the microcontroller, without using an audio codec for the system.INMP441With a high signal-to-noise ratio, it is an excellent choice for near-field applications.INMP441With a flat and wide frequency response, it leads to high clarity of natural sound.

Product Features:

1.High precision24bit dataIsquareSinterface

2.High signal-to-noise ratio61 dBA

3.High sensitivity-26 dBFS

4.from60 Hzto15 kHzStable Frequency Response

5.Low Power ConsumptionLow Current Consumption1.4 mA

6.highPSR：-75 dBFS

Interface Definition:

SCK：IsquareSSerial data clock of the interface

WS"用于"可以翻译为"used for"。IsquareSSerial data word selection for the interface

Left/RightleftSlashRight channel selection.

When set to low power, the microphone is in.IsquareSThe left channel output signal of the frame.

Set to high voltage, the microphone outputs the signal to the right channel.

SD：IsquareSSerial data output of the interface.

VCCInput Power1.8Vto3.3V.

GND:Power Ground

This product provides with the following features:I2SfunctionalESP32Module Usage Tutorial

At this storeESP32 Development BoardConnection:

INMP441 ESP32 Development Board

1. SCK >> GPIO14
2. SD >> GPIO32
3. WS >>> GPIO15
4. L/R >> GND
5. GND >> GND
6. VDD > VDD3.3