PRELIMINARY DATA SHEET
1.1. Features
– single-chip, USB specification 1.0/1.1 compliant,
stereo audio D/A converter
– 12-Mbit/s USB transceiver
– adaptive isochronous endpoint for USB Audio
– USB-programmable vendor IDs (1024-bit EEPROM
on chip)
– four general purpose input pins and four output pins
(human interface pins)
– customizable I/O functionality by download-software
– supports 16-bit mono/stereo and 24-bit stereo audio
data
– adaptive sample rate converter for 5 to 50 kHz input
sampling rate
– audio baseband control: bass, treble, volume, and
balance, additional analog volume, mute
– bass boost
– automatic gain control (AGC)
– “PerfectSpeaker” digital speaker equalizer
– THD better than 0.01 %, SNR of 96 dB
– integrated low-power stereo headphone amplifier
– on-chip op amps for external analog filter
– analog stereo input (AUX) with source selection and
mixing
– single 5-V power supply
Active Stereo Speakers
USB
UAC
Headphones
Stereo Equipment
Fig. 1–2:
System application diagram
Micronas
5
MICRONAS [ MICRONAS ]
