ak4562 AKM Semiconductor, Inc., ak4562 Datasheet - Page 26

• Manufacturer Part Number: ak4562
• Description: Low Power 20bit Codec With Pga
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Figure 21 shows the system connection diagram. An evaluation board [AKD4562] is available which demonstrates
application circuit, optimum layout, power supply arrangements and measurement results.
Notes:
MS0031-E-00
- When AOUT drives some capacitive load, some resistor should be added in series between AOUT and capacitive
- TST pin always fixes to “L”.
- AGND and DGND pins connect to AGND.
load.
2.2V ~ 3.0V Analog Supply
1
2
3
4
5
6
7
OPGAR
LOUT2
ROUT2
LIN1
RIN1
LIN2
RIN2
2.2u
+
0.1u
28
8
Figure 21. System Connection Diagram Example
AK4562
27
9
+ 10u
26
10
0.1u
10 ohm
25
11
SYSTEM DESIGN
24
12
0.1u
+
10u
23
13
- 26 -
22
14
+
0.1u
10u
1.8V ~ 3.0V Digital Supply
CDTI
LRCK
MCLK
TST
BCLK
SDTI
SDTO
21
20
19
18
17
16
15
AGND
System
Digital GND
Micro
Controller
Audio
Controller
[AK4562]
2000/05