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]

PIN/FUNCTION

No. Pin Name

1 VREFH

2 AINR+

3 AINR-

4 AINL+

5 AINL-

6 VA

7 AGND

8 XTI

9 XTO

10 DIF0

11 DIF1

12 LRCK

13 SCLK

14 SDTI

15 SDTO

16 SMUTE

17 DEM0

18 DEM1

19 TST

20 M/S

21 MCKO

22 VD

23 DGND

24 PDN

25 CMODE

26 AOUTL

27 AOUTR

28 VCOM

I/O

Function

I Positive Voltage Reference Input Pin, VA

Used as a positive voltage reference by ADC & DAC. VREFH should be connected

externally to filtered VA.

I Rch Analog Positive Input Pin

I Rch Analog Negative Input Pin

I Lch Analog Positive Input Pin

I Lch Analog Negative Input Pin

- Analog Power Supply Pin

- Analog Ground Pin

I X’tal Input Pin

O X’tal Output Pin

I Audio Data Interface Format 0 Pin

I Audio Data Interface Format 1 Pin

I/O Input/Output Channel Clock Pin

I/O Audio Serial Data Clock Pin

I Audio Serial Data Input Pin

O Audio Serial Data Output Pin

I Soft Mute Pin

When this pin goes “H”, soft mute cycle is initiated.

When returning “L”, the output mute releases.

I De-emphasis Frequency Select 0 Pin

I De-emphasis Frequency Select 1 Pin

I Test Pin

This pin must be connected to DGND.

I Master/Slave Mode

(Internal pull-down pin)

“H”: Master mode, “L”: Slave mode

O Master Clock Output Pin

- Digital Power Supply Pin

- Digital Ground Pin

I Power-Down Mode Pin

I Master Clock Select Pin

(Internal biased pin)

“H”: 384fs, “L”: 256fs, “NC”: 512fs

O Lch Analog Output Pin

O Rch Analog Output Pin

O Common Voltage Output Pin, VA/2

Note: All input pins except pull-down or biased pins should not be left floating.

MS0053-E-00

-3-

2000/9

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