AK4495S datasheet(6/58 Pages) AKM

Part #	AK4495S

Description	Quality-oriented Premium 32-Bit 2ch DAC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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[AK4495S]

MS1560-J-01

2013/11

- 6 -

■ 機能説明

No.

Pin Name

I/O

Function

1

PDN

I

Power-Down Mode Pin

When at “L”, the AK4495S is in power-down mode and is held in reset.

The AK4495S must always be reset upon power-up.

2

BICK

I

Audio Serial Data Clock Pin in PCM Mode

DCLK

I

DSD Clock Pin in DSD Mode

BCK

I

Audio Serial Data Clock Pin

3

SDATA

I

Audio Serial Data Input Pin in PCM Mode

DSDL

I

DSD Lch Data Input Pin in DSD Mode

DINL

I

Lch Audio Serial Data Input Pin

4

LRCK

I

L/R Clock Pin in PCM Mode

DSDR

I

DSD Rch Data Input Pin in DSD Mode in Serial Control Mode

DINR

I

Rch Audio Serial Data Input Pin in Serial Control Mode

5

SSLOW

I

Digital filter setting in Parallel Control Mode

WCK

I

Word Clock input pin in Serial Control Mode

6

SMUTE

I

Soft Mute Pin in Parallel Control Mode

When this pin is changed to “H”, soft mute cycle is initiated.

When returning “L”, the output mute releases.

CSN

I

Chip Select Pin in Serial Control Mode in Serial Control Mode, I2C=”L”

7

SD

I

Digital filter setting in Parallel Control Mode

CCLK

I

Control Data Clock Pin in Serial Control Mode in Serial Control Mode, I2C=”L”

SCL

I

Control Data Clock Pin in Serial Control Mode in Serial Control Mode,

I2C=”H”

8

SLOW

I

Digital filter setting in Parallel Control Mode

CDTI

I

Control Data Input Pin in Serial Control Mode in Serial Control Mode, I2C=”L”

SDA

I/O

Control Data Clock Pin in Serial Control Mode in Serial Control Mode, I2C=

“H”

9

DIF0

I

Digital Input Format 0 Pin in PCM Mode

DZFL

O

Lch Zero Input Detect Pin in Serial Control Mode

10

DIF1

I

Digital Input Format 1 Pin in PCM Mode

DZFR

O

Rch Zero Input Detect Pin in Serial Control Mode

11

DIF2

I

Digital Input Format 2 Pin in PCM Mode

CAD0

I

Chip Address 0 Pin in Serial Control Mode

(Internal pull-down pin)

12

PSN

I

Parallel or Serial Select Pin

(Internal pull-up pin)

“L”: Serial Control Mode, “H”: Parallel Control Mode

13

I2C

I

I2C mode select pin in Serial mode (Internal pull-down pin)

14

DEM0

I

De-emphasis Enable 0 Pin in Parallel Control Mode (Internal pull-up pin)

Note: All input pins except internal pull-up/down pins must not be left floating.

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