AK5388_09 Datasheet, PDF (24/31 Pages) Asahi Kasei Microsystems – 120dB 24-bit 192kHz 4-Channel ADC

[AK5388]
SYSTEM DESIGN
Figure 21 and Figure 22 show the system connection diagram. The evaluation board demonstrates application circuits, the
optimum layout, power supply arrangements and measurement results.
Analog5.0V
10u 2.2u
++
+
0. 1u
0.1u
2.2u 10u
+
+
0 .1 u
0 .1u
Analog5.0V
Micro-
C ontr oller
LIN1+
LI N1-
10 u
+
1 LIN1+
2 LIN1-
3 VSS1
0.1u
4 AVDD1
5 TEST1
6 VSS2
7 CKS0
8 CKS1
9 CKS2
10 PDN
11 M_SN
AK5388
Top View
RIN 2+ 33
RIN2 - 32
VSS6 31
0 .1u
AVDD2 30
TEST2 29
VSS5 28
VSS4 27
0 .1u
DVDD2 26
HPFE 25
M ON O 24
DIF 23
RIN2+
RI N2-
10 u
+
10 u
+ _Digital3.3v
Digital
Analog
+ _{Electrolytic Capacitor}
Ceramic Capacitor
0.1u
+
10 u
D ig ita l3 .3 v
Micro-
Controller
Digital
Note:
- VSS1-6 should be distributed separately from the ground of external digital devices (MPU, DSP etc.).
- All digital input pins should not be left floating.
Figure 21. Typical Connection Diagram
MS1096-E-01
- 24 -
2009/08