The IC features Toshiba's proprietary single microphone noise/echo cancellation technology for high-quality voice on mobile devices during hands-free calling, for such situations as video telephony.
An earpiece speaker amplifier, a headphone amplifier and a line-out output are integrated, along with audio post-processing features (equalizer, dynamic range controller).
*Part Number: TC94B24WBG
*4-channel digital microphone interface
*2-channel A/D converter for analog microphone input
*Class-G headphone amplifier, earpiece speaker amplifier, line amplifier
*Asynchronous sampling rate converter (for single stereo channel): 8 kHz to 48 kHz sampling rates
* Audio DSP: Volume control, sound mixing, MUX
- During phone calls:
Single microphone noise and echo cancellation
- During playback of audio:
Equalizer, dynamic range control
*I2S audio interface: 4 input/output ports
*I2C bus interface with support for fast mode (400 kHz)/SPI interface mode (1 MHz)
*Package: WCSP 79-ball 0.5mm pitch