AKM's AK4137EQ is a 2-channel digital sample rate converter (SRC) with an internal oscillator, input sample rate ranges from 8 kHz to 768 kHz, and output sample rate ranges from 8 kHz to 768 kHz. It is suitable for the application interfacing to different sample rates such as high-end audio systems and USB-DACs and is capable of play backing various audio formats with PCM-DSD data conversion function.
Features |
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- 2 channels input/output
- Asynchronous sample rate converter
- PCM
- Input sample rate range (FSI): 8 kHz to 768 kHz
- Output sample rate range (FSO): 8 kHz to 768 kHz
- DSD
- Input sample rate range (FSI): 2.8224 MHz to 11.2896 MHz
- Output sample rate range (FSO): 2.8224 MHz to 11.2896 MHz
- Input to output sample rate ratio: FSO/FSI = 1/6 to 24
- THD+N: up to -150 dB
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- Dynamic range: 188 dB (A-weighted)
- I/F format: MSB justified, LSB justified, I2S compatible and TDM
- PCM/DSD converter
- Dop I/F
- Oscillator for internal operation clock
- Clock for master mode: 64/128/192/256/384/512/768 fso
- On-chip X’tal oscillator
- Digital de-emphasis filter (32 kHz, 44.1 kHz, 48 kHz)
- Soft mute function
- SRC bypass mode (master/slave, PCM, DSD)
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Applications |
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- Network audio focusing sound quality
- SACD players
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- High-end audio systems
- Car infotainment systems
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