AK4394 View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

Manufacturer

AK4394

Advanced Multi-Bit 192kHz 24-Bit ΔΣ DAC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4394]

PIN/FUNCTION

No. Pin Name

1 DVSS

2 DVDD

3 MCLK

PDN

4

BICK

5

SDATA

6

7 LRCK

SMUTE

8

CSN

DFS0

9

DEM0

10

CCLK

DEM1

11

CDTI

12 DIF0

13 DIF1

14 DIF2

15 BVSS

16 VREFL

17 VREFH

18 AVDD

19 AVSS

20 AOUTR-

21 AOUTR+

22 AOUTL-

23 AOUTL+

24 VCOM

25 P/S

CKS0

26

DZFL

27 CKS1

CKS2

28

DZFR

I/O Function

- Digital Ground Pin

- Digital Power Supply Pin, 5.0V

I Master Clock Input Pin

I Power-Down Mode Pin

When at “L”, the AK4394 is in power-down mode and is held in reset.

The AK4394 should always be reset upon power-up.

I Audio Serial Data Clock Pin

The clock of 64fs or more than is recommended to be input on this pin.

I Audio Serial Data Input Pin

2’s complement MSB-first data is input on this pin.

I L/R Clock Pin

I Soft Mute Pin in parallel mode

When this pin goes "H", soft mute cycle is initiated.

When returning “L”, the output mute releases.

I Chip Select Pin in serial mode

I Double Speed Sampling Mode Pin

(Internal pull-down pin)

“L”: Normal Speed , “H”: Double Speed

I De-emphasis Enable Pin in parallel mode

I Control Data Clock Pin in serial mode

I De-emphasis Enable Pin in parallel mode

I Control Data Input Pin in serial mode

I Digital Input Format Pin

I Digital Input Format Pin

I Digital Input Format Pin

- Substrate Ground Pin, 0V

I Low Level Voltage Reference Input Pin

I High Level Voltage Reference Input Pin

- Analog Power Supply Pin, 5.0V

- Analog Ground Pin, 0V

O Rch Negative analog output Pin

O Rch Positive analog output Pin

O Lch Negative analog output Pin

O Lch Positive analog output Pin

O Common Voltage Output Pin, 2.6V

I Parallel/Serial Select Pin

(Internal pull-up pin)

“L”: Serial control mode, “H”: Parallel control mode

I Master Clock Select Pin in parallel mode

O Lch Zero Input Detect Pin in serial mode

I Master Clock Select Pin

I Master Clock Select Pin in parallel mode

O Rch Zero Input Detect Pin in serial mode

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

M0081-E-00

-3-

1999/11

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