[AK4438]
13. Recommended External Circuits
■ Typical Connection Diagram
Power Supply
3.0 3.6V
10u
+
10u
+
2.2u
0.1u
0.1u
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
AOUTR3
AOUTL4
AOUTR1
AOUTL1
AOUTR4
TEST
I2C
PS/CAD0_SPI
CAD0_I2C/CSN/DIF
SCL/CCLK/TDM1
SDA/CDTI/TDM0
SMUTE/CAD1
AK4438
Top View
H : I2C
L : SPI
Power Supply
1.7 3.6V
P
TVDD
+
10u
0.1u
VSS1
2.2u
LDOO
PDN
Digital Ground
Analog Ground
Analog Ground
Digital Ground
DSP
Figure 47. Typical Connection Diagram
Note: The AK4438 integrates smoothing filters.
016001925-E-00
2016/03
- 58 -