AK4523VF Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AK4523VF

20Bit Stereo ΔΣ ADC & DAC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4523]

PIN/FUNCTION

No. Pin Name

1 VREFH

2 AINR+

3 AINR-

4 AINL+

5 AINL-

6 VA

7 AGND

8 NC

9 NC

10 DIF0

11 DIF1

12 LRCK

13 SCLK

14 SDTI

15 SDTO

16 SMUTE

17 DEM0

18 DEM1

19 MCKI

20 NC

21 NC

22 VD

23 DGND

24 PD

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

- No connect

No internal bonding.

- No connect

No internal bonding.

I Audio Data Interface Format 0 Pin

I Audio Data Interface Format 1 Pin

I Input Channel Clock Pin

I 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 Master Clock Input Pin

- No connect

No internal bonding.

- No connect

No internal bonding.

- 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 for CMODE pin should not be left floating.

M0021-E-03

-3-

1999/12

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