HiFi USB Audio Interface

• Silicon Labs CP2114-B02-GM (USB 2.0 to I2S)

USB Audio Class v1.0 support (no driver needed in Win/Linux/iOS)

Supports 48kHz and 16/24-Bit Audio

• PCM1794A Digital Analog Converter (I2S to Audio)

16-Bit and 24-Bit, 129dB Dynamic Range (4.5VRMS), THD+N: 0.0004%, Sampling Frequency: 10 kHz to 200 kHz, System Clock: 128, 192, 256, 384, 512, or 768 fS with Autodetect

• OPA4134 PreAmp

SoundPlus(Tm) Audio OP-Amp, 0.00008% Distortion,  Noise: 8 nV/√Hz, 20V/µs, 8MHz GBW

• TPA6120A2 - Headphone Amp

1.5W, Half Power THD + N @ 1 kHz: 0.000635%, SNR of 128dB A-Weighted

• Overcomplicated Power System (Probably need to rework this part...)

TPS65133: +/-5V DualSupply Converter

TPS61252: 6V Boost Converter

TPS7A4701: LDO for 5.0V and +4.75V

TPS7A3301: Neg. LDO for -4.75V

LP5907MFX-3.3: LDO for 3.3V