The Infineon is an omnidirectional, surface mount LLGA package dual-backplate MEMS technology sound sensor with a 5-pin microphone. Its electrical rating is 3.6V with 1.3mA current. This technology is based on a miniaturized symmetrical microphone design, similar to that used in studio condenser microphones and results in high linearity of the output signal within a dynamic range. The digital microphone ASIC contains an extremely low noise preamplifier and a high-performance sigma-delta ADC. Different power modes can be selected to suit specific current consumption requirements.
Features and Benefits
Dynamic range of 105dB Extremely fast analogue to digital conversion speed Flat frequency response with low frequency roll of at 28Hz Microphone distortion does not exceed 1% even at sound pressure levels of 128dBSPL Omnidirectional pickup pattern PDM output Power optimized modes determined by PDM clock frequency Signal to noise ratio is 69dB(A) SNR
Applications
Active Noise Cancellation (ANC) headphones and earphones High-quality audio capturing Home automation IoT devices Smart speakers