AK4137EQ – 32bits PCM/DSD Conversion

Features
 2 channels input/output
 Asynchronous Sample Rate Converter
 PCM
Input Sample Rate Range (FSI): 8kHz~768kHz
Output Sample Rate Range (FSO): 8kHz~768kHz
 Input to Output Sample Rate Ratio: FSO/FSI = 1/6 ~ 24
 DSD
Input Sample Rate Range (FSI): 2.8224MHz~12.288MHz
Output Sample Rate Range (FSO): 2.8224MHz~12.288MHz
 Input to Output Sample Rate Ratio: FSO/FSI = 1/6 ~ 24
 THD+N: Up to −150dB
 Dynamic Range: 186dB (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: 64/128/192/256/384/512/768fso
 On-chip X’tal oscillator
 Digital De-emphasis Filter (32kHz, 44.1kHz, 48kHz)
 Soft Mute Function
 SRC Bypass mode (Master/Slave, PCM, DSD)
 uP Interface: I2C bus/SPI 4-wire
 Power Supply
DVDD: 3.0~3.6V (internal LDO enabled)
DVDD: 1.7~1.9V (internal LDO disabled)
 Operating Temperature: Ta= −40 ~ +105°C
 Package
48-pin LQFP (0.5mm pitch)