CS44L11
.8 to 2.4 V
Supply
+
100 µ F
Low ESR
Tantalum
1.0µF
0.1µF
12
VA_HPA
13
VA_H PB
7 VD
1.8 to 2.4 V
Supply
1.0µF +
5 VD
0.1µF
1.8 to 2.4 V
Supply
Digital
Audio
Source
Rpullup
Control
Logic
4
MCLK
3 SCLK
2 LRCK
1 SDIN
9
SDA
8
SCL
16
RST
CS44L11
11
HP_A
HP_B 14
100 µH
100 µH
220 µF
+
0.22
µF
+
0.22
µF 220 µF
16 Ω
Headphones
GND
10
GND
15
GND
6
* Filter component values shown are for a 16 Ω load. Please see the CDB44L11 datasheet for infor-
mation on how to calculate filter values for other loads.
Figure 4. Typical CS44L11 Connection Diagram Control Port Mode
DS640PP4
11