AK4381

更新时间： 2024-11-03 22:39:07

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
21页	231K
描述
108DB 192KHZ 24-BIT 2CH DAC

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AK4381 数据手册

ASAHI KASEI

[AK4381]

AK4381

108dB 192kHz 24-Bit 2ch DS DAC

GENERAL DESCRIPTION

The AK4381 offers the perfect mix for cost and performance based audio systems. Using AKM's multi bit

architecture for its modulator the AK4381 delivers a wide dynamic range while preserving linearity for

improved THD+N performance. The AK4381 has full differential SCF outputs, removing the need for AC

coupling capacitors and increasing performance for systems with excessive clock jitter. The 24 Bit word

length and 192kHz sampling rate make this part ideal for a wide range of applications including

DVD-Audio. The AK4381 is offered in a space saving 16pin TSSOP package.

FEATURES

o Sampling Rate Ranging from 8kHz to 192kHz

o 128 times Oversampling (Normal Speed Mode)

o 64 times Oversampling (Double Speed Mode)

o 32 times Oversampling (Quad Speed Mode)

o 24-Bit 8 times FIR Digital Filter

o On chip SCF

o Digital de-emphasis for 32k, 44.1k and 48kHz sampling

o Soft mute

o Digital Attenuator (Linear 256 steps)

o I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I²S

o Master clock: 256fs, 384fs, 512fs or 768fs (Normal Speed Mode)

128fs, 192fs, 256fs or 384fs (Double Speed Mode)

128fs, 192fs (Quad Speed Mode)

o THD+N: -94dB

o Dynamic Range: 108dB

o High Tolerance to Clock Jitter

o Power supply: 4.75 to 5.25V

o Very Small Package: 16pin TSSOP (6.4mm x 5.0mm)

o AK4382A Pin Compatible

MCLK

VDD

VSS

Clock

Divider

De-emphasis

Control

CSN

µP

Interface

CCLK

CDTI

DZFL

DZFR

AOUTL+

AOUTL-

SCF

LRCK

Modulator

Audio

Data

Interface

Interpolator

BICK

SDTI

AOUTR+

AOUTR-

Interpolator

Modulator

PDN

MS0152-E-00

2002/5

- 1 -

12 3 4 5 6 7...21

中文翻译

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