CXA1622M/P
Pin
No.
Pin voltage
Symbol
VOL
Equivalent circuit
Description
3 V
6 V
VCC
0 to
0 to Control gain with change in voltage
1.25 (0 to 1.25 V) to electrical volume
control pin.
14
14
15
2
1.25
20k
VCC
80k
GND
24k
15
REG
1.25
1.25 Regulator pin
4k
REG
15k
VCC
Mode selection SW
• BTL mode when open
1.25
SW
1.25
2
• Stereo mode when connected to
15k
GND
Block Diagram, Pin Configuration, and Application Circuit
1) Stereo mode
GND
C3
10µ
C7
0.1µ
C9
C10
SP1
8
V1
3V
C5
3.3µ
0.1µ 220µ
+
+
+
R1
50k
OUT1
IN1
C12
220µ
C2
10µ
16
15
14
VOL
3
13
12
11
10
9
PRE+POWER1
PRE+POWER2
REG
1
2
4
5
6
7
8
IN2
OUT2
GND
C1
10µ
C11
220µ
+
+
C5
0.1µ
C8
10µ
SP2
8
C4
3.3µ
GND
—3—