AK4458 Datasheet, PDF(8/84 Page) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC

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AK4458 Datasheet, PDF (8/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC

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[AK4458]

â Pin Functions

No. Pin Name

1 MCLK

2

BICK

DCLK

3

LRCK

DSDL1

4

SDTI1

DSDR1

5

SDTI2

DSDL2

SDTI3

6 DSDR2

TDMO1

SDTI4

7 DSDL3

TDMO2

8 DSDR3

9 DSDL4

10 DSDR4

DZF

11

SMUTE

12

CAD1

DCHAIN

SDA

13 CDTI

TDM0

SCL

14 CCLK

TDM1

CAD0_I2C

15 CSN

DIF

PS

16

CAD0_SPI

17 I2C

18 AOUTL1P

19 AOUTL1N

20 VREFL1

21 VREFH1

I/O Function

PD State

I External Master Clock Input Pin

Hi-Z

I Audio Serial Data Clock Pin in PCM mode

I DSD Clock Pin in DSD mode

Hi-z

I Input Channel Clock Pin in PCM mode

I Audio Serial Data Input in DSD mode

Hi-Z

I Audio Serial Data Input in PCM mode

I Audio Serial Data Input in DSD mode

Hi-Z

I Audio Serial Data Input in PCM mode

I Audio Serial Data Input in DSD mode

Hi-Z

I Audio Serial Data Input in PCM mode

I Audio Serial Data Input in DSD mode

O Audio Serial Data Output in Daisy Chain mode

100kÎ©

Pull down

I Audio Serial Data Input in PCM mode

I Audio Serial Data Input in DSD mode

O Audio Serial Data Output in Daisy Chain mode

100kÎ©

Pull down

I Audio Serial Data Input in DSD mode

Hi-Z

I Audio Serial Data Input in DSD mode

Hi-Z

I Audio Serial Data Input in DSD mode

Hi-Z

O Zero Input Detect in I2C Bus or 3-wire serial control mode

Soft Mute Pin in Parallel control mode.

100kÎ©

I When this pin is changed to âHâ, soft mute cycle is initiated. Pull down

When it is returning to âLâ, the output mute is released.

I Chip Address 0 Pin in I2C Bus or 3-wire serial control mode

I Daisy Chain Mode select pin in Parallel control mode.

Hi-Z

I/O Control Data Pin in I2C Bus serial control mode

I Control Data Input Pin in 3-wire serial control mode

Hi-Z

I TDM Mode select pin in Parallel control mode.

I Control Data Clock Pin in I2C Bus serial control mode

I Control Data Clock Pin in 3-wire serial control mode

Hi-Z

I TDM Mode select pin in Parallel control mode.

I Chip Address 0 Pin in I2C Bus serial control mode

I Chip Select Pin in 3-wire serial control mode

Hi-Z

I

Audio Data Format Select in Parallel control mode.

âLâ: 32-bit MSB, âHâ: 32-bit I2S

(I2C pin = âHâ)

I Control Mode Select Pin

âLâ: I2C Bus serial control mode, âHâ: Parallel control mode.

Hi-Z

I

(I2C pin = âLâ)

Chip Address 0 Pin in 3-wire serial control mode

Control Mode Select Pin

I âLâ: 3-wire serial control mode

Hi-Z

âHâ: I2C Bus serial control mode or Parallel control mode.

O Lch Positive Analog Output 1 Pin

Hi-Z

O Lch Negative Analog Output 1 Pin

Hi-Z

I Negative Voltage Reference Input Pin, AVSS

Hi-Z

I Positive Voltage Reference Input Pin, AVDD

Hi-Z

014011794-E-01

-8-

2015/08

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