13
14
CL-
LGND
OUTL
OUTR
RGND
CR -
CR +
CL+
Vcc
INL
NFL
FIL
NFR
INR
11
12
9
8
10
2
1
4
3
6
7
5
REFL
REFR
FILTER
BA3220FV-X (IC301,IC401) : Driver
1. Pin layout & Block diagram
2. Pin functions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CL+
Vcc
INL
NFL
FIL
NFR
INR
CR+
CR-
RGND
OUTR
OUTL
LGND
CL-
Powe supply terminal for amp.
power supply terminal.
input terminal.
Negative feedback terminal.
Filter terminal.
Negative feedback terminal.
Input terminal
Power supply terminal for amp.
Output terminal of internal amp.
Rch GND terminal.
Rch output terminal.
Lch output terminal.
Lch GND terminal.
Output terminal of internal amp.
Pin
No.
Symbol
Function
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