AK4319A データシートの表示（PDF） - Asahi Kasei Microdevices

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AK4319A

18Bit SCF DAC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4319A]

AK4319A

18Bit SCF DAC

General Description

The AK4319A is a high performance 1bit stereo DAC for digital audio systems. A 1bit DAC can achieve

monotonicity and low distortion with no adjustment. On chip SCF filter makes the device less affected to the

clock jitter and also suppresses the undesirable radio emission noise. The device equips differentially

configurated output pins, but either of the pins can be used as single-end. The AK4319A achieves lower Out-

band noise characteristic and it is suitable for digital broadcasting tuner and other digital audio applications.

Features

† Sampling Rate Ranging from 8kHz to 54kHz

† 128 times Oversampling

† 18bit 8 times Digital Filter

† 2nd order SCF with High Tolerance to Clock Jitter

† Differential outputs(Single-end use is available)

† Digital de-emphasis for 32, 44.1, 48kHz sampling

† Soft mute

† I/F format : MSB justified, LSB justified, IIS

† THD+N: -87dB

† DR: 92dB

† Master Clock: 256fs or 384fs

† Power supply: 4.5 to 5.5V

† Small Package: 24pin SSOP

† AK4319 Compatible

M0011-E-01

-1-

1998/6

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