UDA1321

INTEGRATED CIRCUITS DATA SHEET UDA1321 Universal Serial Bus (USB) Digital-to-Analog Converter (DAC) Preliminary specification Supersedes data of 1998 May 12 File under Integrated Circuits, IC01 1998 Oct 06 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) Digital-to-Analog Converter (DAC) UDA1321 FEATURES General Universal Serial Bus (USB) stereo Digital-to-Analog Converter (DAC) system with adaptive (5 to 55 kHz) 20-bits digital-to-analog conversion and filtering USB-compliant audio and Human Interface Device (HID) Supports 12 Mbits/s full-speed serial data transmission Supports multiple audio data formats (8, 16 and 24 bits) Supports headphone and line output Fully automatic ‘Plug-and-Play’ operation High linearity Wide dynamic range Superior signal-to-noise ratio (typical 95 dB) Low total harmonic distortion (typical 90 dB) 3.3 V power supply Efficient power management Low power consumption On-chip master clock oscillator, only an external crystal is required Partly programmable USB descriptors and configuration via I2C-bus. Sound processing Separate digital volume control for left and right channel Soft mute Digital bass and treble tone control External Digital Sound Processor (DSP) option possible via standard I2S-bus or Japanese digital I/O format Selectable clipping prevention Selectable Dynamic Bass Boost (DBB) On-chip digital de-emphasis. Document references “USB Specification” “USB Commo...