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AK4351 - 18-BIT ADVANCED MULTI BIT 2CH DAC

General Description

The AK4351 is a high cost performance 18bit stereo DAC for low-end digital audio systems.

The modulator in the AK4351 uses the new developed Advanced Multi Bit architecture with wide dynamic range.

The analog outputs are filtered in the analog domain by a combination of SCF and CTF.

Key Features

  • Sampling Rate Ranging from 8kHz to 50kHz.
  • 128 times Oversampling.
  • Perfect filtering 18bit 8 times FIR Interpolator with 57dB attenuation 2nd order LPF Total Response: ± 0.2dB at 20kHz.
  • On chip Buffer with Single End Output.
  • Digital de-emphasis for 44.1kHz sampling.
  • I/F format: MSB justified, 16/18bit LSB justified.

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Other Datasheets by AKM (Asahi Kasei Microdevices)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ASAHI KASEI [AK4351] AK4351 18Bit Advanced Multi Bit DS 2ch DAC GENERAL DESCRIPTION The AK4351 is a high cost performance 18bit stereo DAC for low-end digital audio systems. The modulator in the AK4351 uses the new developed Advanced Multi Bit architecture with wide dynamic range. The analog outputs are filtered in the analog domain by a combination of SCF and CTF. Therefore, any external filters are not required. The SCF techniques also improve the loss of accuracy from clock jitter. Therefore, the AK4351 is suitable for the system like STB including PLL circuit. The AK4351 is available in very small 16pin TSSOP package, which reduces system space.