INFINEONIM73A135V01XTSA15 Pin Microphone, Omni-Directional, Analogue Output, PG-LLGA-5-2, 1.52 → 3V
Infineon Microphone, MEMS Technology, 4x3x1.28mm - IM73A135V01XTSA1
This MEMS microphone is designed for applications requiring high sensitivity and durability in environments with potential dust and moisture exposure. It features a signal-to-noise ratio of 73 dB(A), making it a dependable option for audio capture under varying conditions. The compact size facilitates seamless integration into devices needing quality sound input without sacrificing space or performance.
Features & Benefits
- High sensitivity of -38dBV for clear audio capture
- Robust IP57 rating ensures dust and water resistance
- Omni-directional pickup pattern allows for versatile audio capture
- Integrated low noise preamplifier enhances output clarity
- Flexible power modes cater to varying energy requirements
Applications
- Well-suited for active noise cancellation systems in headphones and earbuds
- Utilised in smart speakers and home automation devices
- Appropriate for high-quality audio recording in cameras and camcorders
- Employed in industrial monitoring systems with audio detection features
What is the operating temperature range for this MEMS microphone?
The operating temperature range is -40°C to +85°C, accommodating various environments.
How does the microphone's design assist in sound capture?
The omni-directional pickup pattern enables sound capture from all directions, increasing usability in multi-source audio settings.
What current consumption levels can be expected in different power modes?
In normal mode, current consumption ranges from 170μA to 230μA, while low power mode consumes between 70μA to 80μA, making it suitable for energy-sensitive applications.
Are there specific mounting requirements for optimal performance?
For optimal acoustic performance, ensure that the PCB sound port is larger than the microphone's acoustic port diameter to prevent sound obstruction.
What calibration method is used for the microphone?
Each microphone undergoes calibration with an advanced Infineon calibration algorithm, resulting in small sensitivity tolerances of ±1dB.