(China (Mainland))
Product Summary
The PCM2902BDBR is a stereo audio codec with usb interface, single-ended analog input/output, 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 PCM2902BDBR employs SpAct architecture, TI’s unique system that recovers the audio clock from USB packet data. The applications of the PCM2902BDBR include: USB Audio Speaker, USB Headset, USB Monitor, USB Audio Interface Box.
Parametrics
PCM2902BDBR absolute maximum ratings: (1)VBUS Supply voltage: –0.3 to 6.5 V; (2)Ground voltage differences, AGNDC, AGNDP, AGNDX, DGND, DGNDU: ±0.1 V; (3)Digital input voltage: –0.3 to 6.5 V; (4)Analog input voltage : –0.3 to 4 V; (5)Input current (any pins except supplies): ±10 mA; (6)Ambient temperature under bias: –40 to +125 ℃; (7)Tstg Storage temperature: –55 to +150 ℃; (8)TJ Junction temperature: +150 ℃; (9)Lead temperature (soldering, 5s): +260 ℃; (10)Package temperature (IR reflow, peak): +250 ℃.
Features
PCM2902BDBR features: (1)PCM2902B: With S/PDIF; (2)On-Chip USB Interface: With Full-Speed Transceivers, Fully Compliant with USB 2.0 Specification, Certified by USB-IF, Partially Programmable Descriptors, USB Adaptive Mode for Playback, USB Asynchronous Mode for Record, Bus Powered; (3)16-Bit Delta-Sigma ADC and DA; (4)Sampling Rate: DAC: 32, 44.1, 48 kHz, ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz ; (5)On-Chip Clock Generator with Single 12-MHz Clock Source; (6)Single Power Supply: 5 V Typical.
Diagrams
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 PCM2902BDBR |
Texas Instruments |
Audio CODECs Stereo Audio Codec with USB Interface |
Data Sheet |
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