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INMP441 MEMS High Precision Omnidirectional Microphone Module I2S
INMP441 MEMS High Precision Omnidirectional Microphone Module I2S
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- This is INMP441 MEMS High Precision Omnidirectional Microphone Module I2S
- It includes a complete solution with a MEMS sensor, signal conditioning, and analog to digital converter, among other components.
- The I2S interface allows for direct connection to digital processors without the need for an audio codec.
- The INMP441 has a high signal-to-noise ratio of 61 dBA, making it great for applications in close proximity.
- It has a flat wideband frequency response, resulting in natural and high-definition sound.
- The microphone has a low power consumption, with a current consumption of 1.4 mA.
- The INMP441 also has a high PSR of -75 dBFS, ensuring stable performance.
INMP441 MEMS High Precision Omnidirectional Microphone Module I2S
The INMP441 is a digital MEMS microphone that is omnidirectional and has a bottom port. It is designed to be high-performing and low-power, and the complete solution includes a MEMS sensor, signal conditioning, analog to digital converter, anti-aliasing filter, power management, and a 24-bit I2S interface that is industry-standard.
The I2S interface is especially useful because it allows for direct connection to digital processors such as microcontrollers and DSPs without the need for an audio codec. With a high signal-to-noise ratio, the INMP441 is a great option for applications in close proximity. It also has a flat wideband frequency response that results in natural and high-definition sound.
- 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
- SCK -GPIO14
- SD – GPIO32
- WS – GPIO15
- L/R – GND
- GND – GND
- VDD – VDD3.3
Features:
- 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 Includes:
- 1 x INMP441 MEMS High Precision Omnidirectional Microphone Module I2S
Specifications:
| Supply voltage | 3.3V |
| Communication interface | Inter-IC Sound (I2S) |
| Sensitivity | High |
| SNR | High |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
