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AK4317 - 18BIT SCF DAC WITH ATT & MIXER

General Description

The AK4317 is a 1bit stereo DAC with channel separated volume and channel mixer.

This DAC also includes 18bit digital filter and analog LPF.

A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is superior to traditional R-2R ladder based DACs.

Key Features

  • † Sampling Rate Ranging from 8kHz to 50kHz † On chip Perfect filtering.
  • 8 times FIR Interpolator.
  • 2nd order SCF.
  • 2nd order CTF † Digital de-emphasis for 32, 44.1, 48kHz sampling † L/R Separated Volume † L/R Mixing † Soft Mute † Audio I/F format : MSB justified, LSB justified, I2S † Master Clock: 256fs or 384fs † High Tolerance to Clock Jitter † THD+N: -86dB † DR: 92dB † Power Supply:4.5 to 5.5V † Small Package: 24pin VSOP † AK4311 Compatible 0172-E-01 -1- 1997/5 AS.

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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 [AK4317] AK4317 18Bit SCF DAC with ATT & MIXER General Description The AK4317 is a 1bit stereo DAC with channel separated volume and channel mixer. This DAC also includes 18bit digital filter and analog LPF. A 1bit DAC can achieve monotonicity and low distortion with no adjustment and is superior to traditional R-2R ladder based DACs. In the AK4317, the loss of accuracy from clock jitter is also improved by using SCF techniques for on-chip post filter. Therefore, the AK4317 is suitable for the system like STB including PLL circuit. Features † Sampling Rate Ranging from 8kHz to 50kHz † On chip Perfect filtering • 8 times FIR Interpolator • 2nd order SCF • 2nd order CTF † Digital de-emphasis for 32, 44.