Compact top-port silicon microphone features ultra-stable performance

The Knowles SPH1642HT5H-1 miniature high-performance, low-power, top-port silicon microphone is now available from Digi-Key. Using proven high-performance SiSonic MEMS technology, the SPH1642HT5H-1 consists of an acoustic sensor, a low-noise input buffer, and an output amplifier. The devices are suitable for applications such as cell phones, smartphones, laptop computers, sensors, digital still cameras, portable music recorders, and other portable electronic devices where excellent wideband audio performance and RF immunity are required.