AK4317 Datasheet, PDF (3/19 Pages) Asahi Kasei Microsystems – 18BIT SCF DAC WITH ATT & MIXER

ASAHI KASEI
[AK4317]
PIN/FUNCTION
No. Pin Name I/O
Function
1 DVDD
- Digital Power Supply
2 DVSS
- Digital Ground Pin
3 PD
I Power-Down Mode Pin
When at "L", the AK4317 is in power-down mode and is held in reset.
The AK4317 should always be reset upon power-up.
4 DIF0
I Digital Input Format Pin
(Internal Pull-down pin)
5 MCLK
I Master Clock Input Pin
6 DIF1
I Digital Input Format Pin
(Internal Pull-down pin)
7 BICK
I Audio Serial Data Clock Pin
8 SDATA
I Audio Serial Data Input Pin
2's complement MSB-first data is input on this pin.
9 LRCK
I L/R Clock Pin
10 CDATA
I Control Data Input Pin
Must be tied to "H" or "L" if this pin is not used.
11 CCLK
I Control Clock Pin
Must be tied to "H" or "L" if this pin is not used.
12 CS
I Chip Select Pin
Must be tied to "H" if this pin is not used.
13 TST2
O Test Pin
Must be left floating.
14 SMUTE
I Soft Mute Pin
When this pin goes "H", soft mute cycle is initiated.
When returning "L", the output mute releases.
15 DEM
I De-emphasis Enable Pin
(Internal Pull-down pin)
16 CKS
I Master Clock Select Pin
MCLK=256fs,"H": MCLK=384fs
17 AOUT1
O Channel 1 analog output pin
18 AOUT0
O Channel 0 analog output pin
19 VCOM
I Common Voltage Pin, AVDD/2
Normally connected to AVSS with a 0.1uF ceramic capacitor in parallel
with a 10uF electrolytic cap.
20 AVDD
- Analog Power Supply Pin
21 AVSS
- Analog Ground pin
22 VREF
I Voltage Reference Input Pin
The differential Voltage between this pin and AVSS set the analog output
range. Normally connected to AVSS with a 0.1uF ceramic capacitor.
23 DZF
O Zero Input Detect Pin
24 TST1
I Test Pin
Must be left floating or tied to AVSS.
Note: All input pins except pull-down pins should not be left floating.
0172-E-01
-3-
1997/5