AK4522 Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AK4522

20Bit Stereo ∆Σ ADC & DAC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4522]

PIN/FUNCTION

No. Pin Name

1 VREFH

2 AINR+

3 AINR-

4 AINL+

5 AINL-

6 VA

7 AGND

8 DIF0

9 DIF1

10 LRCK

11 SCLK

12 SDTI

13 SDTO

14 SMUTE

15 DEM0

16 DEM1

17 MCKI

18 VD

19 DGND

20 PD

21 CMODE

22 AOUTL

23 AOUTR

24 VCOM

I/O

Function

Positive Voltage Reference Input Pin, VA

I

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 Audio Data Interface Format Pin

I Audio Data Interface Format Pin

I Input/Output Channel Clock Pin

I Audio Serial Data Clock Pin

I Audio Serial Data Input Pin

O Audio Serial Data Output Pin

Soft Mute Pin

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

When returning “L”, the output mute releases.

I De-emphasis Frequency Select Pin

I De-emphasis Frequency Select Pin

I Master Clock Input/X’tal Input Pin

- Digital Power Supply Pin

- Digital Ground Pin

I Reset Pin

Master Clock Select Pin

I

“H”: 384fs, “L”: 256fs, “NC”: 512fs

(Internal Biased pin)

I Lch Analog Output Pin

I Rch Analog Output Pin

O Common Voltage Output Pin, VA/2

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

M0020-E-01

-3-

1998/10

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