ASAHI KASEI
[AK5380]
SYSTEM DESIGN
Figure 4 shows the system connection diagram. An evaluation board is available which demonstrates application circuits,
the optimum layout, power supply arrangements and measurement results.
10u
Rch In
+
1
2
3
4
5
6
7
8
AINR
AINL
NC
TST 16
TTL 15
10u
Lch In
+
Mode Control
DIF 14
AK5380
2.2u 0.1u
+
VCOM
AGND
VA
PDN 13
SCLK 12
MCLK 11
LRCK 10
Power-down Control
Top View
0.1u
10u
+
+
Analog 5V
Controller
VD
10u
0.1u
DGND
SDTO
9
Analog Ground
System Ground
Figure 6. Typical Connection Diagram
Note: The value of electrolytic capacitor at VCOM depends on the low-frequency noise of power supply.
Digital Ground
Analog Ground
1
2
3
4
5
6
7
8
AINR
AINL
NC
TST 16
TTL 15
System
Controller
DIF 14
VCOM
AGND
VA
PDN 13
SCLK 12
MCLK 11
LRCK 10
AK5380
VD
DGND
SDTO
9
Figure 7. Ground Layout
Note: AGND and DGND must be connected to the same analog ground plane.
MS0100-E-01
2001/7
- 14 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
