AK4646EZ datasheet(5/78 Pages) AKM

Part #	AK4646EZ

Description	Stereo CODEC with MIC/SPK-AMP

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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5 / 78 page

[AK4646EZ]

MS0630-E-00

2007/06

- 5 -

PIN/FUNCTION

No. Pin Name

I/O

Function

1

MPWR

O

MIC Power Supply Pin

2

VCOM

O

Common Voltage Output Pin, 0.5 x AVDD

Bias voltage of ADC inputs and DAC outputs.

3

AVSS

-

Analog Ground Pin

4

AVDD

-

Analog Power Supply Pin

5

VCOC

O

Output Pin for Loop Filter of PLL Circuit

This pin should be connected to AVSS with one resistor and capacitor in series.

6

NC

-

No Connect Pin

No internal bonding. This pin should be connected to Ground.

7

PDN

I

Power-Down Mode Pin

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

8

CSN

I

Chip Select Pin

9

CCLK

I

Control Data Clock Pin

10

CDTIO

I/O

Control Data Input and Output Pin

11

SDTI

I

Audio Serial Data Input Pin

12

SDTO

O

Audio Serial Data Output Pin

13

LRCK

I/O

Input / Output Channel Clock Pin

14

BICK

I/O

Audio Serial Data Clock Pin

15

DVDD

-

Digital Power Supply Pin

16

DVSS

-

Digital Ground Pin

17

MCKI

I

External Master Clock Input Pin

18

MCKO

O

Master Clock Output Pin

19

SPN

O

Speaker Amp Negative Output Pin

20

SPP

O

Speaker Amp Positive Output Pin

21

SVDD

-

Speaker Amp Power Supply Pin

22

SVSS

-

Speaker Amp Ground Pin

23

24

25

NC

-

No Connect Pin

No internal bonding. This pin should be connected to Ground or Open.

26

ROUT

O

Rch Stereo Line Output Pin

27

LOUT

O

Lch Stereo Line Output Pin

28

MIN

I

Mono Signal Input Pin

RIN2

I

Rch Analog Input 2 Pin

(MDIF2 bit = “0”, Single-ended Input)

29

IN2

−

I

Microphone Negative Input 2 Pin

(MDIF2 bit = “1”, Full-differential Input)

LIN2

I

Lch Analog Input 2 Pin

(MDIF2 bit = “0”, Single-ended Input)

30

IN2+

I

Microphone Positive Input 2 Pin

(MDIF2 bit = “1”, Full-differential Input)

LIN1

I

Lch Analog Input 1 Pin

(MDIF1 bit = “0”, Single-ended Input)

31

IN1

−

I

Microphone Negative Input 1 Pin

(MDIF1 bit = “1”, Full-differential Input)

RIN1

I

Rch Analog Input 1 Pin

(MDIF1 bit = “0”, Single-ended Input)

32

IN1+

I

Microphone Positive Input 1 Pin

(MDIF1 bit = “1”, Full-differential Input)

Note 2. All input pins except analog input pins (MIN, LIN1, RIN1, LIN2, RIN2) should not be left floating.

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