TI PCM2903CDB

PCM2903C is a single-chip, USB, stereo audio codec with a USB-compatible full-speed protocol controller and S/PDIF. The USB protocol controller requires no software code. It employs the SpAct architecture, a unique system for recovering audio clocks from USB packets. The on-chip analog PLL using SpAct enables playback and recording with low clock jitter and independent playback and recording sample rates.

• On-chip USB interface: full-speed transceiver, fully compliant with USB 2.0, USB-IF certified, USB adaptive mode for playback, USB asynchronous mode for recording, self-powered
• 16-bit delta-sigma (Δ-Σ) ADC and DAC
• Sample rates: DAC at 32, 44.1, 48kHz; ADC at 8, 11.025, 16, 22.05, 32, 44.1, 48kHz
• On-chip clock generator with single 12MHz clock source
• S/PDIF input/output single supply: typical 3.3V
• Stereo ADC — analog performance at VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3V: THD+N = 0.01%, SNR = 89dB, dynamic range = 89dB; digital decimation filter: passband ripple = ±0.05dB, stopband attenuation: −65dB; single-ended voltage input, built-in anti-aliasing filter, built-in digital HPF
• Stereo DAC — analog performance at VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3V: THD+N = 0.005%, SNR = 96dB, dynamic range = 93dB, built-in analog LPF
• Multi-function: HID functionality, volume and mute control, suspend flag function
• 28-pin narrow SSOP package

• USB audio speakers
• USB headsets
• USB monitors
• USB audio interface boxes