INMP441 Omnidirectional Microphone Module Robotics Bangladesh
  • INMP441 Omnidirectional Microphone Module Robotics Bangladesh

INMP441 Omnidirectional Microphone Module

RBD-1753
  • 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
BDT 399
rating Read the 2 reviews
Average rating: 4.5/5 - Number of reviews: 2
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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. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Interface definition

  1. SCK: Serial data clock for I2S interface
  2. WS: Serial data word selection for I2S interface
  3. L/R: Left/Right channel selection.
  4. When set to low, the microphone outputs a signal on the left channel of the I2S frame.
  5. When set to high level, the microphone outputs signals on the right channel
  6. SD: Serial data output of the I2S interface.
  7. VCC: Input power, 1.8V to 3.3V.
  8. GND: power ground


NMP441 connection with ESP32

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


Features:

  1. Digital I2S interface with high precision 24-bit data
  2. High signal to noise ratio is 61 dBA
  3. High sensitivity – 26 dBFS
  4. Stable frequency response from 60 Hz to 15 kHz
  5. Low power consumption: low current consumption 1.4 mA
  6. High PSR: -75 dBFS

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General Specification
DirectionalityOmni
Sensitivity1 kHz, 94 dB SPL (−29min −26typ −23max) dBFS
Supply Voltage (VDD)1.62 - 3.63 V
Supply Current (IS) VDD = 1.8 V

Normal Mode 1.4 1.6 mA

Standby 0.8 mA

Power Down 2 mA

Supply Current (IS) VDD = 3.3 V

Normal Mode 2.2 2.5 mA

Standby 0.8 mA

Power Down 4.5 µA

Shipment Weight0.005 kg
Shipment Dimensions3 × 3 × 3 cm

Please allow 5% measuring deviation due to manual measurement.

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Documentation:

  1. Datasheet


Package Included:

1 x INMP441 MEMS High Precision Omnidirectional Microphone Module I2S

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What is the price of INMP441 Omnidirectional Microphone Module in Bangladesh?

The latest price of INMP441 Omnidirectional Microphone Module in Bangladesh is BDT 399 You can buy the INMP441 Omnidirectional Microphone Module at best price from our RoboticsBD or visit RoboticsBD Office.

Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product.

Product Images are shown for illustrative purposes only and may differ from the actual product.
Product Details
RBD-1753
10 Items
Idk
rating
15/11/2024
Ashik
Idk
Received
rating
28/10/2023
Abdun Nur Tomal
Good product
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    Price BDT 780
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    Flex Sensor 2.2" Robotics Bangladesh Quick view

    Reference: RBD-0169

    Flex Sensor 2.2" Original

    Flex length: 5.6 cm. Total Length: 2.2″ (7 cm). Life Cycle : >1 million. Height : 0.43mm (0.017″), Resistance Variation: 30K-70K Ohms ±30%. Power Rating: 0.5 Watts.

    Price BDT 1,250
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    US-015 Ultrasonic Module Distance Measuring Transducer Sensor Robotics Bangladesh Quick view

    Reference: RBD-0315

    US-015 Ultrasonic Module Distance Measuring Transducer Sensor

    Working voltage: DC 5 V Static current: 3 mA Working temperature: 0 ~ + 70° Output way: GPIO Induction Angle: Less than 15° Detection range:2 cm to 400 cm Detecting precision: 0.3 cm + 1% Sensor size: Approx. 45 x 20 x 1.6mm Hole diameter: Approx. 1mm. RoboticsBD

    Price BDT 390
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    Force Sensitive Resistor 0. Quick view

    Reference: RBD-0368

    Force Sensitive Resistor 0.5"

    Thickness: 0.4mm Trigger Force: 20g, triggered (default resistance<200kΩ)  Pressure Measuring Range: 20g~6kg Static Pressure & Dynamic Pressure Measurement (within the frequency of 10Hz) Initial Resistance: >10MΩ Activation Time: <0.01S Operating Temperature: -40°C~+85°C  Lifespan: >1million times Hysteresis: +10%，(RF+ -RF-)/FR+，1000g...

    Price BDT 890
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    BH1750FVI Digital Light intensity Sensor Robotics Bangladesh Quick view

    Reference: RBD-0429

    BH1750FVI Digital Light intensity Sensor

    High precision determination accurate to 1 Lu for different lights Operating Voltage: 3-5VDC Built-in 16bit A/D converter I2C interface

    Price BDT 550
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