AK4525VF 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK4525VF

20Bit Stereo ∆Σ ADC & DAC with X’ tal Osc

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4525]

SYSTEM DESIGN

Figure 8 shows the system connection diagrams. This is an example which analog signal is input by single ended circuit.

In case of differential input, please refer to Figure 11. An evaluation board is available which demonstrates application

circuits, the optimum layout, power supply arrangements and measurement results.

4.5 ∼ 5.5V

Analog Supply

10u +

470

470

Format

Setting

Audio

Controller

0.1u

1 VREFH

2.2n

+

4.7u

2.2n

2

0.1u

3

4

0.1u

+

5

4.7u

6

0.1u

7

AINR+

AINR-

AINL+

AINL-

VA

AGND

8 XTI

9 XTO

10 DIF0

11 DIF1

12 LRCK

13 SCLK

14 SDTI

VCOM 28

AOUTR 27

AOUTL 26

CMODE 25

PDN 24

DGND 23

AK4525

VD 22

MCKO 21

M/S 20

TST 19

DEM1 18

DEM0 17

SMUTE 16

SDTO 15

0.1u

+10u

3.1 ∼ 5.5V

Digital Supply

0.1u

5

+

10u

Mode

Setting

Figure 8. Typical Connection Diagram

Digital Ground

System

Controller

Analog Ground

1 VREFH

VCOM 28

2 AINR+

AOUTR 27

3 AINR-

AOUTL 26

4 AINL+

CMODE 25

5 AINL-

PDN 24

6 VA

DGND 23

7 AGND AK4525

8 XTI

VD 22

MCKO 21

9 XTO

M/S 20

10 DIF0

TST 19

11 DIF1

DEM1 18

12 LRCK

DEM0 17

13 SCLK

SMUTE 16

14 SDTI

SDTO 15

Figure 9. Ground Layout

MS0053-E-00

- 14 -

2000/9

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