AKD4368 datasheet(5/60 Pages) AKM

Part #	AKD4368

Description	DAC with built-in PLL & HP-AMP

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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5 / 60 page

ASAHI KASEI

[AK4368EG]

MS0529-E-00

2006/07

- 5 -

PIN/FUNCTION

No.

Pin Name

I/O

Function

B1

MCKO

O

Master Clock Output

C2

DVSS

-

Digital Ground

C1

DVDD

-

Digital Power Supply

D2

I2C

I

Control Mode Select

“H”: I

2C Bus, “L”: 3-wire Serial

D1

MCKI

I

Master Clock Input

E2

LRCK

I/O

L/R Clock

This clock determines which audio channel is currently being input on SDATA pin.

E1

BICK

I/O

Serial Bit Clock

This clock is used to latch audio data.

F2

SDATA

I

Audio Serial Data Input

SDA

I/O

Control Data Input/Output (I2C pin = “H”)

F1

CDTI

I

Control Data Input (I2C pin = “L”)

SCL

I

Control Data Clock (I2C pin = “H”)

G2

CCLK

I

Control Data Clock (I2C pin = “L”)

CAD0

I

Chip Address 0 Select (I2C pin = “H”)

G3

CSN

I

Control Data Chip Select (I2C pin = “L”)

F4

PDN

I

Power-down & Reset

When “L”, the AK4368 is in power-down mode and is held in reset.

The AK4368 should always be reset upon power-up.

G5

3DCAP1

O

Capacitor Connect Pin 1 for 3D Stereo Enhancement

Connected to 3DCAP2 pin with 4.7nF capacitor in series.

F6

3DCAP2

O

Capacitor Connect Pin 2 for 3D Stereo Enhancement

Connected to 3DCAP1 pin with 4.7nF capacitor in series and connected to 3DCAP3 pin

with 470nF capacitor in series.

G6

3DCAP3

O

Capacitor Connect Pin 1 for 3D Stereo Enhancement

Connected to 3DCAP2 pin with 470nF capacitor in series.

F7

LOUT

O

Lch Analog Output

E6

ROUT

O

Rch Analog Output

E7

VCOM

O

Common Voltage Output

Normally connected to AVSS pin with a 2.2

µF electrolytic capacitor.

D7

AVDD

-

Analog Power Supply

C6

AVSS

-

Analog Ground

D6

MUTET

O

Mute Time Constant Control

Connected to AVSS pin with a capacitor for mute time constant.

C7

HVDD

-

Power Supply Pin for Headphone Amp

B6

HVSS

-

Ground for Headphone Amp

B7

HPR

O

Rch Headphone Amp Output

A6

HPL

O

Lch Headphone Amp Output

A5

MIN

I

Mono Analog Input

A4

RIN

I

Rch Analog Input

B3

LIN

I

Lch Analog Input

A3

VCOC

O

Output for Loop Filter of PLL Circuit

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

B2

PVSS

-

Ground for PLL. Connected to AVSS.

A2

PVDD

-

Power Supply for PLL. Normally connected to AVDD.

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