ak5356 AKM Semiconductor, Inc., ak5356 Datasheet - Page 20

• Manufacturer Part Number: ak5356
• Description: Low Power 20-bit Adc With Mic-amp & Pga
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Figure 13 shows the system connection diagram. An evaluation board [AK5356] is available which demonstrates the
application circuit, optimum layout, power supply arrangement and measurement results.
MS0171-E-00
2.0 3.3V Analog Power Supply
1.8 3.3V Digital Power Supply
NOTE: Electrolytic capacitor value of VCOM depends on low frequency noise of supply voltage.
C1: 0.1
C2: 10
2.2µ C1
+
Figure 13. System Connection Diagram Example
C2 C1
+
C2 C1
+
1
2
3
4
5
6
7
RIN
VCOM
AVSS
DVSS
DVDD
SDTO
AVDD
SYSTEM DESIGN
Audio
Controller
1µ
- 20 -
+
Top View
47µ
C1
+
+
C2
Micro
Controller
+
C2
C1
PREOR
PRENR
PREOL
PRENL
2.4 3.3V Analog Power Supply
PRER
PREL
MICL
4.7µ
21
20
19
18
17
16
15
6.8k
6.8k
+ 47µ
+ 47µ
0.33µ
0.33µ
4.7µ
MIC
Device
[AK5356]
2002/08