AKD4359 datasheet(4/32 Pages) AKM

Part #	AKD4359

Description	192 KHZ 24 BIT 8CH DAC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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ASAHI KASEI

[AK4359]

MS0289-E-00

2004/02

- 4 -

PIN/FUNCTION

No.

Pin Name

I/O

Function

1

MCLK

I

Master Clock Input Pin

An external TTL clock should be input on this pin.

2

BICK

I

Audio Serial Data Clock Pin

3

SDTI1

I

DAC1 Audio Serial Data Input Pin

4

LRCK

I

L/R Clock Pin

5

RSTB

I

Reset Mode Pin

When at “L”, the AK4359 is in the reset mode.

The AK4359 should always be reset upon power-up.

SMUTE

I

Soft Mute Pin in parallel mode

“H”: Enable, “L”: Disable

CSN

I

Chip Select Pin in serial 3-wire mode

6

CAD0

I

Chip Address Pin in serial I2C mode

ACKS

I

Auto Setting Mode Pin in parallel mode

“L”: Manual Setting Mode,

“H”: Auto Setting Mode

CCLK

I

Control Data Clock Pin in serial 3-wire mode

7

SCL

Control Data Clock Pin in serial I2C mode

DIF0

I

Audio Data Interface Format Pin in parallel mode

CDTI

I

Control Data Input Pin in serial 3-wire mode

8

SDA

I/O

Control Data Pin in serial I2C mode

9

SDTI2

I

DAC2 Audio Serial Data Input Pin

10

SDTI3

I

DAC3 Audio Serial Data Input Pin

11

SDTI4

I

DAC4 Audio Serial Data Input Pin

12

DIF1

I

Audio Data Interface Format Pin

13

DEM0

I

De-emphasis Filter Enable Pin

14

DVDD

Digital Power Supply Pin, +4.5

∼+5.5V

15

DVSS

Digital Ground Pin

I2C

I

Control Mode Select Pin in serial mode

“L”: 3-wire Serial, “H”: I

2C Bus

16

DEM1

I

De-emphasis Filter Enable Pin in parallel mode

17

ROUT4

O

DAC4 Rch Analog Output Pin

18

LOUT4

O

DAC4 Rch Analog Output Pin

19

ROUT3

O

DAC3 Rch Analog Output Pin

20

LOUT3

O

DAC3 Rch Analog Output Pin

21

ROUT2

O

DAC2 Rch Analog Output Pin

22

LOUT2

O

DAC2 Rch Analog Output Pin

23

P/S

I

Parallel/Serial Select Pin

(Internal pull-up pin)

“L”: Serial control mode, “H”: Parallel control mode

24

ROUT1

O

DAC1 Rch Analog Output Pin

25

LOUT1

O

DAC1 Lch Analog Output Pin

26

VCOM

O

Common Voltage Pin, AVDD/2

Normally connected to AVSS with a 0.1

µF ceramic capacitor in parallel with

a 10

µF electrolytic cap.

27

AVSS

-

Analog Ground Pin

28

AVDD

-

Analog Power Supply Pin, +4.5

∼+5.5V

29

DZF2

O

Data Zero Input Detect Pin

30

DZF1

O

Data Zero Input Detect Pin

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

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