Overview: SPH1668LM4H-1
Digital Zero-Height SiSonicTM Microphone With Multiple Performance Modes The SPH1668LM4H-1 is a miniature, highperformance, low power, bottom port silicon digital microphone with a single bit PDM output. Using Knowles’ proven high performance SiSonicTM MEMS technology, the SPH1668LM4H-1 consists of an acoustic sensor, a low noise input buffer, and a high performance sigma-delta modulator. These devices are suitable for applications such as cellphones, smart phones, laptop puters, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required.
