AK4399EQ

AK4399EQ Datasheet


[AK4399]

Part Datasheet
AK4399EQ AK4399EQ AK4399EQ (pdf)
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[AK4399]

AK4399

High Performance 123dB Premium 32-Bit DAC

GENERAL DESCRIPTION AK4399 is a 32-bit DAC, which corresponds to DVD-Audio systems. An internal circuit includes newly developed 32bit Digital Filter for better sound quality achieving low distortion characteristics and wide dynamic range. The AK4399 has full differential SCF outputs, removing the need for AC coupling capacitors and increasing performance for systems with excessive clock jitter. The AK4399 accepts 192kHz PCM data and 1-bit DSD data, ideal for a wide range of applications including DVD-Audio and SACD.

FEATURES
• 128x Over sampling
• Sampling Rate 30kHz ~ 216kHz
• 32Bit 8x Digital Filter Short delay option GD=7/fs
- Ripple ±0.005dB, Attenuation 100dB
• High Tolerance to Clock Jitter
• Low Distortion Differential Output
• DSD data input
• Digital De-emphasis for 32, 48kHz sampling
• Soft Mute
• Digital Attenuator 255 levels and 0.5dB step
• Mono Mode
• External Digital Filter Mode
• THD+N -105dB
• DR, S/N 123dB
• I/F Format 24/32bit MSB justified, 16/20/24/32bit LSB justified, I2S, DSD
• Master Clock:
30kHz ~ 32kHz 1152fs 30kHz ~ 54kHz 512fs or 768fs 30kHz ~ 108kHz 256fs or 384fs 108kHz ~ 216kHz 128fs or 192fs
• Power Supply ~ 5.25V
• Digital Input Level TTL
• Package 44pin LQFP

MS1005-E-00 -1-
2008/10
• Block Diagram

BICK/DCLK LRCK/DSDR/WCK

SDATA/DSDL

BCK DINL DINR

DVDD

VSS3

PCM Data Interface

DSD Data Interface

External DF

Interface
8X Interpolator
[AK4399]

DATT Soft Mute

AVDD

VSS4

Bias

Modulator

Vref

VSS2 VDDL AOUTLP

AOUTLN

VCML VREFHL VREFLL VREFLR VREFLL VCMR

AOUTRP

AOUTRN

CSN/SMUTE CCLK/DEM0 CDTI/DEM1

Control Register

Clock Divider

CAD0 CAD1/DIF0 PSN DZFL/DIF1 DIF2

MCLK

Block Diagram

DZFR

VDDR VSS1

MS1005-E-00 -2-
• Ordering Guide

AK4399EQ AKD4399
• Pin Layout
−10 ~ +70°C
44pin LQFP 0.8mm pitch

Evaluation Board for AK4399
[AK4399]

AOUTRN

VSS1

VDDR

VREFHR

VREFL R

VREFL L

VREFHL

VDDL

VSS2

AOUTL N

AOUTLP

VCML

VSS3

AVDD

MCLK

VSS4

AK4399

Top View

AOUTRP

VCMR

DINL

DINR

TST2/DZFR

DIF2

DIF1/DZFL

DIF0/CAD1

DEM1/CDTI

DEM0/CCLK

TST1/CAD0

SMUTE/CSN

LRCK/DSDR/WCK 5

SDATA/DSDL 4

BICK/DCLK 3

PDN 2
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Datasheet ID: AK4399EQ 515881