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CT7601 Audio USB Bridge : True 32 bits 768KHz
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Key Features:
- 2 playback port, and 1 record port
PLAY 0: 8-channel I2S, 6-channel DSD, 2-channel SPDIF
PLAY 1: 2-channel I2S, 2-channel DSD, 2-channel SPDIF
RECORD: 8-channel I2S, 6-channel DSD, 2-channel SPDIF
The clock systems are independent - I2S Interface
PLAY port supports standard/left justified format, master mode.
RECORD port supports standard/left justified, master/slave mode. - Audio transmission
PCM support up to 768K/32bit through USB, I2S, SPDIF ports.
DSD (PDM) support 1x/2x/4x/8x bandwidth through DSD(PDM) port.
DSD (Native) support 1x/2x/4x/8x bandwidth through USB, I2S, DSD(PDM), SPDIF ports.
DoP support 1x/2x/4x bandwidth through USB, I2S, SPDIF ports. -
Interface
Up to 16 GPIOs configurable as input or output.
Master / Slave I2C interface.
Interrupt function.
PWM-LED. - Format auto detecting
Auto detecting PCM / DoP format.
Auto detecting I2S / DSD interface. - Misc
Embeded 8051 controller
UART interface
Volume control with fading in/out function.
Playback basic auto De-pop function.
One 12MHz crystal requirement only.
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CT7302 / CT5302 Audio SRC Bridge : True 32 bits of SPDIF(384K/768KHz 32bit)
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Key Features:
- SPDIF support up to 768 KHz / 32 bits mode.
- I2S support up to 768 KHz / 32 bits mode.
- DSD support 1x/2x/4x/8x mode.
- DoP support 1x/2x/4x mode, through I2S.
- DoP support 1x/2x/4x mode, through SPDIF
- PCM SRC / ASRC fully support 32K/44.1K/48K/88.2K/96K/176.4K/192K/352.8K/384K/705.6K/768KHz.
- PCM / DSD / DoP to PCM / DSD / DoP converter with SRC / ASRC.
- I2S Rx standard / left justified slave mode. I2S Tx standard / left justified master/slave mode
- Basic auto De-pop function.
- Software mode support only.
- I2C interface. / Interrupt function. / Full function software mode support. / Software Power Down feature.
- Crystal reference clock / MCLK / DoP / Mute status output.
- Auto De-emphasis 32 KHz / 44.1 KHz / 48 KHz.
- Auto detecting PCM / DoP format.
- Auto detecting I2S / DSD interface.
- PCM Volume control with fading in/out. (+18dB ~ -110dB step 1/32 dB)
- DSD/Dop Volume control with fading in/out. (+18dB ~ -110dB step 1/32 dB)
- SRC / ASRC 32 bits dynamic range. (192dB).
- SRC / ASRC THD+N better than 24 bits. (-174dB)
- LQFP48 / QFN32 package.
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CT-7302P Audio SRC Bridge : True 32 bits of SPDIF reference design board
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