The experimental malware instead repurposes the speakers in earbuds or headphones to use them as microphones, converting the vibrations in air into electromagnetic signals to clearly capture audio from across a room.

PCM3060 (ACTIVE)

24-bit Asynchronous Stereo Audio Codec with 96/192kHz sampling rate

The PCM3060 is a low-cost, high-performance, single-chip, 24-bit stereo audio codec with single-ended analog inputs and differential analog outputs.

The stereo 24-bit ADC employs a 64-times delta-sigma modulator. It supports 16-96 kHz sampling rates and a 16/24-bit digital audio output word on the audio interface.

http://www.ti.com/product/PCM3060