AK4641VN 参数 Datasheet PDF下载

ASAHI KASEI

[AK4641]

PIN/FUNCTION

Function

MIC Power Supply Pin for External Microphone

MIC Power Supply Pin for Internal Microphone

Internal Microphone Input Pin (Mono Input)

Common Voltage Output Pin, 0.45*AVDD

4 VCOM

O

Bias voltage of ADC inputs and DAC outputs.

5 AVSS

-

Analog Ground Pin

6 AVDD

-

Analog Power Supply Pin

7 BVDD

-

Power Supply Pin for 16bit Mono CODEC of Bluetooth I/F

8 BVSS

-

Ground Pin for 16bit Mono CODEC of Bluetooth I/F

9 VCOC

O

PLL Loop Filter Pin for 16bit Mono CODEC of Bluetooth I/F

Power-Down Mode Pin

10 PDN

I

“H”: Power up, “L”: Power down reset and initializes the control register.

11 TST1

I

Test Pin. Connect to DVSS.

12 SCL

I

Control Data Clock Pin

13 SDA

I/O Control Data Input Pin

14 SDTI

I

Audio Serial Data Input Pin

15 SDTO

O

Audio Serial Data Output Pin

16 LRCK

I

Input/Output Channel Clock Pin

17 BICK

I

Audio Serial Data Clock Pin

18 MCLK

I

External Master Clock Input Pin

19 DVDD

-

Digital Power Supply Pin

20 DVSS

-

Digital Ground Pin

21 BSDTI

I

Serial Data Input Pin for 16bit Mono CODEC of Bluetooth I/F

22 BSDTO

O

Serial Data Output Pin for 16bit Mono CODEC of Bluetooth I/F

23 BSYNC

I

Sync Signal Pin for 16bit Mono CODEC of Bluetooth I/F

24 BBICK

I

Serial Data Clock Pin for 16bit Mono CODEC of Bluetooth I/F

25 TST2

I

Test Pin. Connect to AVSS.

26 MOUT2

O

Mono Line Output 2 Pin

27 ROUT

O

Rch Stereo Line Output Pin

28 LOUT

O

Lch Stereo Line Output Pin

29 MOUT−

O

Mono Line Negative Output Pin

30 MOUT+

O

Mono Line Positive Output Pin

31 AUX IN−

I

Mono AUX Negative Input Pin

32 AUX IN+

I

Mono AUX Positive Input Pin

33 AIN

I

Analog Input Pin

34 MICOUT

O

Microphone Analog Output Pin

35 MDT

I

Microphone Detect Pin (Internal pull down by 500kΩ)

36 EXT

I

External Microphone Input Pin (Mono Input)

Note: All input pins except analog input pins (INT, EXT, AIN, AUXIN+, AUXIN−, MDT) should not be left floating.

No.

1

2

3

Pin Name

MPE

MPI

INT

I/O

O

O

I

Handling of Unused Pin

The unused I/O pins should be processed appropriately as below.

Classification

Pin Name

Analog Input

INT, AUXIN+, AUXIN−, AIN, MDT, EXT

MPE, MPI, MOUT2, ROUT, LOUT, MOUT−, MOUT+,

Analog Output

MICOUT

Digital Input

BSDTI, BSYNC, BBICK

Digital Output BSDTO

Setting

These pins should be open.

These pins should be open.

These pins should be connected to DVSS.

These pins should be open.

MS0301-E-00

-4-

2004/05