1. General ICs Information
DUNTKF135WE (Main Unit)
IC 1505: HDMI Switch 3 inputs to 1 output.
Part number: BU16028KV (ROHM)
Sharp code: VHIBU16028K-1Q
http://www.rohm.com/products/databook/video/pdf/bu16006kv-e.pdf
Features:
Supports 2.25 Gbps Signaling Rate for 480i/p, 720p, and 1080i/p
Resolution to 12-Bit Color Depth.
Compatible with HDMI 1.3a.
5V Tolerance to all DDC and HPD_SINK Inputs.
Integrated Switchable 50ΩΩReceiver Termination.
Integrated DDC buffer.
Integrated Equalizer circuit to adapt long cable.
IC 2701: Audio Power Amplifier.
Part number: STA333BW13TR (ST MICRO)
Sharp code: VHISTA333BW-1L.
http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00166760.pdf
Features:
Wide-range supply voltage, 4.5 V to 21.5 V.
Three power output configurations:
o 2 channels of ternary PWM (2 x 20 W into 8 Ω at 18 V) + PWM output.
o 2 channels of ternary PWM (2 x 20 W into 8 Ω at 18 V) + ternary stereo line-out.
o 2.1 channels of binary PWM (left, right, LFE) (2 x 9 W into 4 Ω +1 x 20 W into 8 at 18 V).
� FFX with 100-dB SNR and dynamic range.
Scalable FFX modulation index.
Selectable 32- to 192-kHz input sample rates.
I2C control with selectable device address.
Digital gain/attenuation +48 dB to -80 dB with 0.5-dB/step resolution.
Soft volume update with programmable ratio.
Individual channel and master gain/attenuation.
Dynamic range compression (DRC) or anti-clipping
mode.
Audio presets:
o 15 preset crossover filters.
o 5 preset anti-clipping modes.
o Preset night-time listening mode.
Individual channel soft/hard mute.
Independent channel volume and DSP bypass.
I2S input data interface.
Input and output channel mapping.
Automatic invalid input-detect mute.
Up to 5 user-programmable bi-quads by channel.
Three coefficients banks for EQ presets storing with fast recall via I2C interface.
Bass/treble tones and de-emphasis control.
Selectable high-pass filters for DC blocking.
Advanced AM interference frequency switching and noise suppression modes.
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