DS4201

www.DataSheet4U.com DS4201 USB Audio DAC www.dalsemi.com FEATURES § Fully USB Core Class v1.0 Compliant § Fully USB Audio Device Class v1.0 Compliant § Complete Stereo DAC System § 16–bit Σ∆ DAC § Analog Post Filter § 44.1 KHz, 48 KHz Sampling Rates § >80 dB S/N DAC Performance § Audio System Power Management § 8 and 16–Bit PCM Digital Data Formats § Integrated USB Compliant Transceiver § High Rate 12 Mbps USB Interface § Analog Output Mixing for Auxiliary Inputs § Multiple Power Configurations Including Completely USB Powered § 3.3V – 5.0V Operating Range PIN ASSIGNMENT VD NC NC DGND SPM X2I X2O DGND X1I X1O VB DD+ DGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 NC NC NC SUSO VCM VREFI VA AGND LOUT ROUT LMIC RMIC LAUX RAUX 28-PIN DIP 600 MIL NC DGND NC NC VD NC NC NC NC SUSO NC 44 1 ALE WR RLINK RLCLK DVSS RCLK RCHCLK RSER RSYNC RLOS/LOTC SYSCLK 11 12 VB DNC D+ DGND NC NC RAUX LAUX RMIC LMIC 44-PIN QFP (10mm x 10mm) 34 33 NC NC VCM NC VREGI VA NC AGND LOUT NC ROUT 23 22 ORDERING INFORMATION Part Number DS4201 DS4201F Description 28-pin DIP 44-pin QFP DESCRIPTION The DS4201 Universal Serial Bus (USB) audio device is a complete interface solution for USB based PC digital audio playback. Integrating a USB device core, stereo 16–bit sigma–delta DAC and fixed function DSP processing, as shown in Figure 1, the DS4201 is designed specifically for USB digital speaker implementations. Digital–to–analog audio data processing supports 8 and 16–bit ...