AK4127VF

192kHz Asynchronous Sample Rate Converter with PLL

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Description

The AK4127 is a stereo digital sample rate converter (SRC). The input sample rate ranges from 8kHz to 216kHz. The output sample rate is from 8kHz to 216kHz. The system can take very simple configuration because the AK4127 has an internal PLL and does not need any master clock at slave mode. The AK4127 is suitable for the application interfacing to different sample rates such as high-end Car Audio and DVD recorder.

Key Features

1. SRC

• Asynchronous Sample Rate Converter

• Input Sample Rate Range (fsi): 8kHz to 216kHz

• Output Sample Rate Range (fso): 8kHz to 216kHz

• Input to Output Sample Rate Ratio: 1/6 to 6

• THD+N: -130dB

• Dynamic Range: 140dB (A-weighted)

• I/F format: MSB justified, LSB justified, I2S compatible and TDM

• PLL for Internal Operation Clock

• Clock for Master mode: 128/192/256/384/512/768fsi, 128//256/384/512/768fso

• SRC Bypass mode (Master/Slave)

• Soft Mute Function

2. Power Supply

• AVDD, DVDD: 3.0 to 3.6V (typ. 3.3V)

3. Ta = -40 to 85°C

4. Package: 30pin VSOP

5. AK4124/25 Pin-compatible

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Block Diagram

Block Diagram

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