1314
CL- LGND OUTL OUTR RGND CR - CR +
CL+ Vcc INL NFL FIL NFR INR
1112 9 810
21 43 6 75
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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