AK4452 datasheet(8/82 Pages) AKM

Part #	AK4452

Description	115dB 768kHz 32-bit 2ch Premium DAC

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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8 / 82 page

[AK4452]

015002211-E-02

2015/08

- 8 -

■ Pin Functions

No

.

Pin Name

I/O

Function

PD Status

1

MCLK

I

External Master Clock Input Pin

Hi-Z

2

BICK

I

Audio Serial Data Clock Pin in PCM mode

Hi-Z

DCLK

I

DSD Clock Pin in DSD mode

3

LRCK

I

Input Channel Clock Pin in PCM mode

Hi-Z

DSDL1

I

Audio Serial Data Input in DSD mode

4

SDTI1

I

Audio Serial Data Input in PCM mode

Hi-Z

DSDR1

I

Audio Serial Data Input in DSD mode

5

TST1

I

Test Pin. This pin must be connected to DVSS

Hi-Z

6

TDMO1

O

Audio Serial Data Output in Daisy Chain mode

100kΩ

Pull down

7

DZF

O

Zero Input Detect in I

2C Bus or 3-wire serial control mode

100kΩ

Pull down

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.

8

CAD1

I

Chip Address 0 Pin in I

2C Bus or 3-wire serial control mode

Hi-Z

DCHAIN

I

Daisy Chain Mode select pin in Parallel control mode.

9

SDA

I/O

Control Data Input Pin in I

2C Bus serial control mode

Hi-Z

CDTI

I

Control Data Input Pin in 3-wire serial control mode

TDM0

I

TDM Mode select pin in Parallel control mode.

10

SCL

I

Control Data Clock Pin in I

2C Bus serial control mode

Hi-Z

CCLK

I

Control Data Clock Pin in 3-wire serial control mode

TDM1

I

TDM Mode select pin in Parallel control mode.

11

CAD0_I2C

I

Chip Address 0 Pin in I

2C Bus serial control mode

Hi-Z

CSN

I

Chip Select Pin in 3-wire serial control mode

DIF

I

Audio Data Format Select in Parallel control mode.

“L”：32-bit MSB, “H”：32-bit I2S

12

PS

I

(I2C pin = “H”)

Control Mode Select Pin

“L”: I2C Bus serial control mode ,“H”: Parallel control mode.

Hi-Z

CAD0_SPI

I

(I2C pin = “L”)

Chip Address 0 Pin in 3-wire serial control mode

13

I2C

I

Control Mode Select Pin

“L”: 3-wire serial control mode

“H”: I2C Bus serial control mode or Parallel control mode.

Hi-Z

14

AOUTL1P

O

L ch Positive Analog Output 1 Pin

Hi-Z

15

AOUTL1N

O

L ch Negative Analog Output 1 Pin

Hi-Z

16

VREFL1

I

Negative Voltage Reference Input Pin, AVSS

Hi-Z

17

VREFH1

I

Positive Voltage Reference Input Pin, AVDD

Hi-Z

18

AOUTR1N

O

R ch Negative Analog Output 1 Pin

Hi-Z

19

AOUTR1P

O

R ch Positive Analog Output 1 Pin

Hi-Z

20

AVSS

-

Analog Ground Pin

－

21

AVDD

-

Analog Power Supply Pin, 3.0V5.5V

－

22

TST2

I

Test Pin. This pin must be connected to AVSS.

Hi-Z

23

TST3

I

Test Pin. This pin must be connected to AVSS.

Hi-Z

24

TST4

I

Test Pin. This pin must be connected to AVSS.

Hi-Z

25

TST5

I

Test Pin. This pin must be connected to AVSS.

Hi-Z

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AK4452 Datasheet(PDF) 8 Page - Asahi Kasei Microsystems

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