The SPH0141LM4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles' proven high performance SISonic" MEMS technology. the SPH0141LM4H.1 consists of an acoustic sensor, a low noise input buffer, and a sigma delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop computers, sensors, digital still cameras, portable music recorders, and other
portable electronic devices where excellent wideband audio performance and RF immunity are required. In addition, the SPHO141L M4H-1 offers multiple performance modes.