UDA1325

INTEGRATED CIRCUITS DATA SHEET UDA1325 Universal Serial Bus (USB) CODEC Preliminary specification File under Integrated Circuits, IC01 1999 May 10 Philips Semiconductors Preliminary specification Universal Serial Bus (USB) CODEC UDA1325 FEATURES General High Quality USB-compliant Audio/HID device Supports 12 Mbits/s serial data transmission Fully USB Plug and Play operation Supports ‘Bus-powered’ and ‘Self-powered’ operation 3.3 V power supply Low power consumption with optional efficient power control On-chip clock oscillator, only an external crystal is required. Audio playback channel One isochronous output endpoint Supports multiple audio data formats (8, 16 and 24 bits) Adaptive sample frequency support from 5 to 55 kHz One master 20-bit I2S digital stereo playback output, I2S and LSB justified serial formats One slave 20-bit I2S digital stereo playback input, I2S and LSB justified serial formats Selectable volume control for left and right channel Soft mute control Digital bass and treble tone control Selectable on-chip digital de-emphasis Low total harmonic distortion (typical 90 dB) High signal-to-noise ratio (typical 95 dB) One stereo Line output. Audio recording channel One isochronous input endpoint Supports multiple audio data formats (8, 16 and 24 bits) Twelve selectable sample rates (4, 8, 16 or 32 kHz; 5.5125, 11.025, 22.05 or 44.1 kHz; 6, 12, 24 or 48 kHz) via analog PLL (APLL). Selectable sample rate between...