Adafruit I2S MEMS Microphone Breakout – ICS-43434
10 in stock
Delivery & Return Rules
Same-Day Delivery for ISB/RWP
Policy: Orders placed before 3:00 PM for delivery within Islamabad/Rawalpindi will be delivered the same day. Orders placed after this time will be delivered the next business day.
Quick Returns
Explanation: We aim for a smooth return experience.
Policy: Returned items will be processed within 3–5 business days of receiving the item, and you will be notified once the return is approved.
Exchange for Misquoted Items
Explanation: We take full responsibility for product listing accuracy.
Policy: If the item you received is significantly different from its description or image, you can request an exchange.
Wrong or Damaged Products
Explanation: We ensure product quality and accurate shipping.
Policy: If you receive an incorrect product or one that is damaged during shipment, you are eligible for a free exchange.
Complete Package Assurance
Explanation: Your order should arrive complete and in perfect form.
Policy: If any accessory, component, or part is missing from the package, we will ship the missing parts after confirmation.
Video Proof of the Items
Explanation: Helps verify the condition of the product upon delivery.
Policy: An unboxing video is mandatory at the time of opening the package. The video must clearly show the sealed package being opened, the product, and all included components. This is required for any claims related to:
- Missing items
- Damaged products
- Wrong deliveries
Without this video proof, we will not be able to process returns or exchanges.
No Warranty for Electronic Products
Explanation: Most electronic items are sold as-is and cannot be returned once used.
Policy: Electronic products are not covered under warranty. We recommend testing the item as soon as you receive it. Exchanges are only allowed if the product is damaged on arrival or incorrectly delivered.
Return Request Timing
Explanation: We operate within a strict return window.
Policy: All return/exchange requests must be submitted within 10 days (local orders) and 20 days (bulk orders) from the invoice date.
Online Return Requests Only
Explanation: Streamlined and trackable process.
Policy: All return and exchange requests must be raised through our official website.
Proof of Purchase Required
Explanation: Ensures authenticity of your claim.
Policy: A copy of your invoice or order confirmation is required for any return, exchange, or or claim.
Order Cancellation Policy
Policy: Only those orders that are still in processing or have not yet been shipped are eligible for cancellation.
Explanation: Once an order has been shipped, it cannot be canceled under any circumstances. If your order is still in the processing stage or has not yet been dispatched, you may request a cancellation.
TECHNICAL DOCUMENTATION FILES
Description
Listen to this good news – we now have a breakout board for a super tiny Adafruit I2S MEMS Microphone Breakout ICS 43434 MEMS microphone. Just like ‘classic’ electret microphones, MEMS mics can detect sound and convert it to voltage, but they’re way smaller and thinner. This microphone doesn’t even have analog out, it’s purely digital. The I2S is a small, low-cost MEMS mic with a range of about 50Hz – 15KHz, good for all general audio recording/detection. The chip has a built in low-pass filter that cuts frequencies above 24KHz.
For many microcontrollers, adding audio input is easy with one of our analog microphone breakouts. But as you get to bigger and better microcontrollers and microcomputers, you’ll find that you don’t always have an analog input, or maybe you want to avoid the noise that can seep in with an analog mic system. Once you get past 8-bit micros, you will often find an I2S peripheral that can take digital audio data in! That’s where this Adafruit I2S MEMS Microphone Breakout ICS 43434 featuring the TDK ICS43434 comes in.
How to use it:
Instead of an analog output, there are three digital pins: Clock, Data, and Left-Right (Word Select) Clock. When connected to your microcontroller/computer, the ‘I2S Controller’ will drive the clock and word-select pins at a high frequency and read out the data from the microphone. No analog conversion required!
The microphone is a single mono element. You can select whether you want it on the Left or Right channel by connecting the Select pin to power or ground. If you need stereo, pick up two microphones! You can set them up to be stereo by sharing the Clock, WS, and Data lines. Having one with Select to ground, and one with Select to high voltage. No firmware or driver configuration is required, you’ll get 24-bit output instantly.
This I2S MEMS microphone is bottom ported, so make sure you have the hole in the bottom facing out towards the sounds you want to read. It’s a 1.6-3.6V max device only, so it is not for use with 5V logic. Many beginner microcontroller boards don’t have I2S, so ensure it’s a supported interface before you try to wire it up! This microphone is best used with Cortex M-series chips like the SAMD21 or SAMD51, ESP32, RP2040 or RP2350, or single-board computers like the Raspberry Pi.
Technical Details
- Sensitivity: −26 dB FS ±1dB
- SNR High Performance Mode: 65 dBA
SNR Low Power Mode: 64 dBA - Current Draw High Performance Mode: 490 µA
Current Draw Low Power Mode: 230 µA - Microphone Acoustic Overload Point (AOP) 120 dB SPL
- Sample Rate High Performance Mode: 23 ~ 51.6 kHz
Sample Rate Low Power Mode: 6.25 ~ 18.75 kHz
Related Products
Reviews
There are no reviews yet