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AKD5381

24Bit 96kHz ∆Σ ADC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK5381]

PIN / FUNCTION

No. Pin Name

1 AINR

2 AINL

3 CKS1

4 VCOM

5 AGND

6 VA

7 VD

8 DGND

9 SDTO

10 LRCK

11 MCLK

12 SCLK

13 PDN

14 DIF

15 CKS2

16 CKS0

I/O

Function

I Rch Analog Input Pin

I Lch Analog Input Pin

I Mode Select 1 Pin

Common Voltage Output Pin, VA/2

O

Bias voltage of ADC input.

- Analog Ground Pin

- Analog Power Supply Pin, 4.5 ∼ 5.5V

- Digital Power Supply Pin, 2.7 ∼ 5.5V(fs=4k ∼ 48kHz), 3.0 ∼ 5.5V(fs=48k ∼ 96kHz)

- Digital Ground Pin

Audio Serial Data Output Pin

O

“L” Output at Power-down mode.

Output Channel Clock Pin

I/O

“L” Output in Master Mode at Power-down mode.

I Master Clock Input Pin

Audio Serial Data Clock Pin

I/O

“L” Output in Master Mode at Power-down mode.

Power Down Mode Pin

I

“H”: Power up, “L”: Power down

Audio Interface Format Pin

I

“H” : 24bit I2S Compatible, “L” : 24bit MSB justified

I Mode Select 2 Pin

I Mode Select 0 Pin

Note: All digital input pins should not be left floating.

MS0200-E-02

-3-

2006/01

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