AK4355 Datasheet, PDF (20/24 Pages) Asahi Kasei Microsystems – 192kHz 24-Bit 6ch DAC for DVD-Audio

ASAHI KASEI
[AK4355]
SYSTEM DESIGN
Figure 9 shows the system connection diagram. An evaluation board (AKD4355) is available in order toallow an easy study
on the layout of a surrounding circuit.
Reset
Master Clock
64fs
24bit Audio Data
24bit Audio Data
24bit Audio Data
fs
Micro-
controller
Digital Ground
0.1u
1 VREF
2 DZF
3 PDN
4 MCLK
5 BICK
6 SDTI1
7 SDTI2
8 SDTI3
9 LRCK
10 CSN
11 CCLK
12 CDTI
10u
+
13 DVDD
14 DVSS
0.1u
0.1u
AVDD 28
AVSS 27
LOUT1+ 26
LOUT1- 25
AK4355 ^{ROUT1+ 24}
ROUT1- 23
LOUT2+ 22
LOUT2- 21
ROUT2+ 20
ROUT2- 19
LOUT3+ 18
LOUT3- 17
ROUT3+ 16
ROUT3- 15
Analog Ground
10u
+
LPF
LPF
LPF
LPF
LPF
LPF
Analog 5V
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
L1ch
Out
R1ch
OMuUt T
L2ch
Out
R2ch
Out
L3ch
Out
R3ch
Out
Digital 5V
Figure 9. Typical Connection Diagram
Notes:
- LRCK = fs, BICK = 64fs.
- When AOUT drives some capacitive load, some resistor should be added in series between AOUT and capacitive
load.
- All input pins should not be left floating.
MS0063-E-01
- 20 -
2002/07