AK4346 Datasheet, PDF(3/31 Page) Asahi Kasei Microsystems

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AK4346 Datasheet, PDF (3/31 Pages) Asahi Kasei Microsystems – 3.3V 192kHz 24-Bit 6-Channel DAC

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ASAHI KASEI

[AK4346]

PIN/FUNCTION

No. Pin Name

I/O Function

1 MCLK

I Master Clock Input

An external TTL clock should be input on this pin.

2 BICK

I Audio Serial Data Clock

3 SDTI1

I DAC1 Audio Serial Data Input

4 LRCK

I L/R Clock

5 RSTB

I Reset Mode

When at âLâ, the AK4346 is in reset mode.

The AK4346 must be reset once upon power-up.

6 SMUTE

I Soft Mute in parallel control mode

âHâ: Enable, âLâ: Disable

CSN

I Chip Select in serial 3-wire mode

CAD0

I Chip Address in serial I2C mode

7 ACKS

I Auto Setting Mode in parallel control mode

âLâ: Manual Setting Mode, âHâ: Auto Setting Mode

CCLK

I Control Data Clock in serial 3-wire control mode

SCL

Control Data Clock in serial I2C control mode

8 DIF0

I Audio Data Interface Format in parallel control mode

CDTI

I Control Data Input in serial 3-wire control mode

SDA

I/O Control Data in serial I2C control mode

9 SDTI2

I DAC2 Audio Serial Data Input

10 SDTI3

I DAC3 Audio Serial Data Input

11 TST1

I Test pin â connect to ground.

12 DIF1

I Audio Data Interface Format

13 CAD1

I Chip Address in serial control mode

DEM0

I De-emphasis Filter Enable

14 DVDD

Digital Power Supply, +2.7â¼+3.6V

15 DVSS

Digital Ground

16 I2C

I ÂµP I/F Mode Select in serial control mode

âLâ: 3-wire Serial, âHâ: I2C Bus

DEM1

I De-emphasis Filter Enable in parallel control mode

17 TST2

- Test pin â leave this pin floating.

18 TST3

- Test pin â leave this pin floating.

19 ROUT3

O DAC3 Right Channel Analog Output

20 LOUT3

O DAC3 Left Channel Analog Output

21 ROUT2

O DAC2 Right Channel Analog Output

22 LOUT2

O DAC2 Left Channel Analog Output

23 P/S

I Parallel/Serial Control Mode Select

(Internal pull-up pin)

âLâ: Serial control mode, âHâ: Parallel control mode

24 ROUT1

O DAC1 Right Channel Analog Output

25 LOUT1

O DAC1 Left Channel Analog Output

26 VCOM

O Common Voltage, AVDD/2

Normally connected to AVSS with a 0.1ÂµF ceramic capacitor in parallel with a

10ÂµF electrolytic cap.

27 AVSS

- Analog Ground

28 AVDD

- Analog Power Supply, +2.7â¼+3.6V

29 TDM0

I TDM I/F Format Mode in parallel control mode (Internal pull-down pin)

âLâ: Normal mode, âHâ: TDM 256 mode

DZF2

O Data Zero Input Detect in serial control mode

30 DZF1

O Data Zero Input Detect

Note: All input pins except P/S and TDM0 pins should not be left floating.

MS0531-E-00

-3-

2006/07

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