AK4387

更新时间： 2024-11-04 04:32:03

品牌	Logo	应用领域
AKM		/
页数	文件大小	规格书
21页	246K
描述
106dB 192kHz 24-Bit 2ch ツヒ DAC

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AK4387 数据手册

ASAHI KASEI

[AK4387]

AK4387

106dB 192kHz 24-Bit 2ch

DAC

∆Σ

GENERAL DESCRIPTION

The AK4387 offers the perfect mix for cost and performance based audio systems. Using AKM's multi bit

architecture for its modulator the AK4387 delivers a wide dynamic range while preserving linearity for

improved THD+N performance. The AK4387 integrates a combination of SCF and CTF filters 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 AK4387 is offered in a

space saving 16pin TSSOP package.

FEATURES

Sampling Rate Ranging from 8kHz to 192kHz

128 times Oversampling (Normal Speed Mode)

64 times Oversampling (Double Speed Mode)

32 times Oversampling (Quad Speed Mode)

24-Bit 8 times FIR Digital Filter

SCF with High Tolerance to Clock Jitter

Single Ended Output Buffer

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

Soft mute

Digital Attenuator (Linear 256 steps)

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

Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)

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

128fs, 192fs (Quad Speed Mode)

THD+N: -90dB

Dynamic Range: 106dB

Power supply: 4.5 to 5.5V

Very Small Package: 16pin TSSOP

MCLK

DVDD

AVDD

VSS

Clock

Divider

De-emphasis

CSN

µP

Interface

Control

VCOM

CCLK

CDTI

DZF

SCF

LPF

∆Σ

ATT

AOUTL

AOUTR

LRCK

Modulator

Interpolator

Audio

Data

Interface

BICK

SDTI

∆Σ

SCF

LPF

ATT

Interpolator

Modulator

RSTN

MS0429-E-00

2005/09

- 1 -

12 3 4 5 6 7...21

中文翻译

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