ICS-43434 MEMS Microphone Module – I2S Omnidirectional, Low Noise
ICS-43434 MEMS Microphone Module – I2S Omnidirectional, Low Noise
ICS-43434 Digital MEMS Microphone Module with I2S Output
Upgrade your audio projects with the ICS-43434 Omnidirectional Digital MEMS Microphone Module. Designed for makers, engineers, and hobbyists alike, this compact module delivers exceptional sound capture quality through a clean I2S digital output — perfect for voice assistants, robotics, smart speakers, and embedded audio applications.
Why Choose the ICS-43434 MEMS Microphone?
- High-Precision Audio Quality: Achieves a signal-to-noise ratio (SNR) of up to 65 dB using advanced MEMS technology, delivering crisp and clear sound capture in demanding environments.
- Low Power Consumption: Operating current of just 490 μA (230 μA in low-power mode) — approximately 20% more efficient than the INMP441 — making it ideal for battery-powered devices and IoT applications.
- Easy Integration: Features a standard I2S digital output interface that connects quickly to popular microcontrollers (Arduino, ESP32, Raspberry Pi, and more) with no complex circuit design required. Setup takes as little as 5 minutes.
- Versatile Application Support: Suitable for smart speakers, voice-controlled robots, voice assistants, audio recording, and a wide range of embedded projects.
- Enhanced Electromagnetic Interference (EMI) Resistance: Delivers 1.5× the EMI resistance of standard microphones, ensuring stable and consistent audio performance across various environments.
- Omnidirectional Design: Captures sound equally from all directions for natural, balanced audio input.
Technical Specifications
- Signal-to-Noise Ratio (SNR): 64 dBA (low-power mode)
- Current Consumption: 490 μA (standard) / 230 μA (low-power mode)
- Acoustic Overload Point (AOP): 120 dB SPL
- Sampling Rate: 23 – 51.6 kHz (standard) / 6.25 – 18.75 kHz (low-power mode)
- Module Size: 13 × 13 mm
- Material: Plastic + Metal
- Interface: I2S Digital Output
- Pickup Pattern: Omnidirectional
Package Includes
- 1 × ICS-43434 Omnidirectional MEMS Microphone Module (random pin/needle color)
Made in Mainland China.
Notes
- Item color may vary slightly from images due to monitor brightness and lighting conditions. Please refer to the actual product received.
- Please allow slight measurement deviations due to manual measurement.
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Frequently Asked Questions
Q: What microcontrollers are compatible with the ICS-43434 MEMS Microphone Module?
A: The ICS-43434 module uses a standard I2S digital output interface, making it compatible with a wide range of popular microcontrollers including ESP32, Arduino (with I2S support), Raspberry Pi, STM32, and most other development boards that support I2S communication protocols.
Q: What is the difference between the standard and low-power modes of the ICS-43434?
A: In standard mode, the module operates at a sampling rate of 23–51.6 kHz and draws 490 μA of current, ideal for high-fidelity audio capture. In low-power mode, the sampling rate is reduced to 6.25–18.75 kHz and current draw drops to 230 μA — perfect for battery-powered or power-sensitive applications where extended runtime is a priority.
Q: Is the ICS-43434 module suitable for use in noisy environments?
A: Yes. The ICS-43434 features 1.5× the electromagnetic interference (EMI) resistance of typical microphones and achieves a signal-to-noise ratio of up to 65 dB, making it well-suited for use in electrically noisy environments such as near motors, robotics, or industrial electronics.
Q: What does "omnidirectional" mean for this microphone module?
A: An omnidirectional microphone captures audio equally from all directions — 360° around the module. This makes the ICS-43434 ideal for applications like voice assistants, conference audio, robots, and smart home devices where sound may come from any direction.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.