ASAHI KASEI
[AK4527B]
SYSTEM DESIGN
Figure 10 shows the system connection diagram. An evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
Condition: TVDD=5V, 3-wire serial control mode, CAD1-0 = “00”, Full-differential input
Analog 5V
+
10u
uP
2.2u
+
0.1u
0.1u
Digital
Audio
Source
(DIR)
1 SDOS
2 I2C
DZF2 33
RIN+ 32
470
470
470
470
1n
1n
3
RIN- 31
SMUTE
4 BICK
5 LRCK
6 SDTI1
7 SDTI2
8 SDTI3
9 SDTO
10 DAUX
11 DFS
LIN+ 30
AK4527B
LIN- 29
Audio
DSP
ROUT1 28
LOUT1 27
ROUT2 26
LOUT2 25
ROUT3 24
LOUT3 23
MUTE
MUTE
MUTE
MUTE
MUTE
MUTE
(MPEG/
AC3)
0.1u
10u
+
5
Power-down
control
Digital Ground
Analog Ground
Figure 10. Typical Connection Diagram
MS0056-E-00
2000/10
- 27 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
