AKD4556 データシートの表示（PDF） - Asahi Kasei Microdevices

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AKD4556

3V 192kHz 24Bit ∆Σ CODEC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4556]

LIN

RIN

VCOM

LOUT

ROUT

VA VSS

VD

∆Σ

Modulator

∆Σ

Modulator

Common Voltage

PDN

Decimation

Filter

Clock

Divider

Decimation

Filter

Serial I/O

Interface

∆Σ

8X

LPF

Modulator

Interpolator

∆Σ

8X

LPF

Modulator

Interpolator

Figure 1. Block Diagram

MCLK

LRCK

BCLK

SDTO

SDTI

CKS3

CKS2

CKS1

CKS0

DEM0

DEM1

„ Compatibility with the AK4552

1. Function

Function

fs (max)

HFP Cut-off

HPF Disable

ADC

Input Level

Input Resistance

Init Cycle

S/(N+D)

DR, S/N

DF

SA

SB

GD

DAC

Output Level

Road Resistance

S/(N+D)

DR, S/N

DF

SA

GD

MCLK (Slave)

Monitor Mode

M/S mode

Audio I/F ADC

DAC

Idd (Vdd = 3V)

VDD

Package

AK4552

100kHz

3.7Hz @ fs = 48kHz

No

AK4556

216kHz

1Hz @ fs = 48kHz

Yes

0.617 x VA

34kΩ @ fs = 44.1kHz, 24kΩ @ fs = 96kHz

2081/fs

89dB

97dB

65dB

29.4kHz

17/fs

0.7 x VA

8kΩ@ fs = 48kHz, 96kHz, 192kHz

4134/fs @ Normal Speed, Slave mode

91dB

103dB

68dB

28kHz

18/fs

0.583 x VA

10kΩ

88dB

100dB

43dB

15.4/fs

256/384/512/768fs @ Normal Speed mode

256/384fs @ Double Speed Mode

128/192fs @ Double Speed Monitor

64/96/128/192fs @ Quad Speed Monitor

Yes (Double / Quad)

Slave

24bit MSB justified

24bit LSB justified

14mA

2.4V to 4.0V

16TSSOP

(5.0mm x 6.4mm, 0.65mm Pitch)

0.7 x VA

5kΩ

90dB

106dB

54dB

21/fs

256/384/512/768fs @ Normal Speed

256/384fs @ Double Speed

128/192fs @ Quad Speed

No

Master / Slave

24bit MSB justified / I2S

24bit MSB justified /24bit LSB justified / I2S

27.5mA

2.4V to 3.6V (Normal/Double Speed)

2.7V to 3.6V (Quad Speed)

20TSSOP

(6.5mm x 6.4mm, 0.65mm Pitch)

MS0559-E-00

-2-

2006/11

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