PCM2903B

The PCM2903B is Texas Instruments ' single-chip,USB, stereo audio codec with a USB-compliant full-speed protocol controller and S/PDIF. The USB protocol controller requires no software code, but the USB descriptors can be modified in some areas (for example, vendor ID and/or product ID). The PCM2903B employs SpAct ™ architecture, TI ' s unique system that recovers the audio clock fromUSB packet data. On-chip analog PLLs with SpAct enable playback and record with low clock jitter as well as independent playback and record sampling rates.

Features of the PCM2903B are:(1)On-Chip USB Interface: With Full-Speed Transceivers Fully Compliant with USB 2.0 Specification Certified by USB-IF Partially Programmable Descriptors (1) USB Adaptive Mode for Playback USB Asynchronous Mode for Record Self-Powered; (2)16-Bit Delta-Sigma ADC and DAC; (3)Sampling Rates: DAC: 32, 44.1, 48 kHz ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz; (4)On-Chip Clock Generator With Single 12-MHz Clock Source; (5)S/PDIF Input/Output; (6)Single Power Supply: 3.3 V Typical.

The absolute maximum ratings of the PCM2903B can be summarized as:(1)Input current (any pins except supplies) :± 10 mA; (2)Ambient temperature under bias : 40 to +125 ° C; (3)Storage temperature, T stg : 55 to +150 ° C; (4)Junction temperature T J :+150 ° C; (5)Lead temperature (soldering, 5s) :+260 ° C; (6)Package temperature (IR reflow, peak) :+250 ° C.

If you want to know more information such as the electrical characteristics of PCM2903B ,please download the datasheet in www.seekdatasheet.com .