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CT7302 CT5302 audio SRC bridge
CT7302 CT5302 audio SRC bridge
General Description
The CT7302/CT5302 is a single chip dual channel audio digital to digital bridge with sample rate converter.
The chip also provides System Management Bus 1.0 (also refer the I2C specification) for programming device function.
In all system application, I2C configure is needed. Power on initial is mute.
Features
l SPDIF support up to 768 KHz / 32 bits mode.
l I2S support up to 768 KHz / 32 bits mode.
l DSD support 1x/2x/4x/8x mode.
l DoP support 1x/2x/4x mode, through I2S.
l DoP support 1x/2x/4x mode, through SPDIF
l PCM SRC / ASRC fully support 32 KHz ~ 768 KHz.
l PCM / DSD / DoP to PCM / DSD / DoP converter with SRC / ASRC.
l I2S Rx standard / left justified slave mode. I2S Tx standard / left justified master/slave mode.
l Basic auto De-pop function.
l I2C interface. / Interrupt function. / Full function software mode support. / Software Power Down feature.
l Crystal reference clock / MCLK / DoP / Mute status output.
l Auto De-emphasis 32 KHz / 44.1 KHz / 48 KHz.
l Auto detecting PCM / DoP format.
l Auto detecting I2S / DSD interface.
l Volume control with fading in/out. (+18dB ~ -110dB step 1/32 dB)
l SRC / ASRC 32 bits dynamic range (192dB), THD+N (-174dB).
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