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MX-J170V
TDA7073A(IC805) : Dual BTL power driver
1. Pin layout
IN1–
1
16
IN1+
2
15
n.c.
3
14
n.c.
4
13
TDA7073A
TDA7073AT
V
12
5
P
IN2 +
6
11
IN2 –
7
10
n.c.
8
9
3. Block diagram
positive input 1
negative input 1
positive input 2
negative input 2
1-40
2. Pin function
Pin No.
OUT1+
1
n.c.
2
3
GND1
4
OUT1 –
5
OUT2 –
6
n.c.
7
GND2
8
OUT2 +
9
10
11
12
13
14
15
16
V P
5
I + i
2
Ι
1
I – i
SHORT - CIRCUIT AND
THERMAL PROTECTION
I – i
6
ΙΙ
7
I + i
14
10
ground 2
ground 1
Symbol
IN1-
negative input 1
IN1+
positive input 1
n.c.
not connected
n.c.
not connected
V
positive supply voltage
P
IN2+
positive input 2
IN2-
negative input 2
n.c.
not connected
OUT2+
positive output 2
GND2
ground 2
n.c.
not connected
OUT2+
negative output 2
OUT1-
negative output 1
GND1
ground 1
n.c.
not connected
OUT1+
positive output 1
16
positive output 1
13
negative output 1
12
negative output 2
9
positive output 2
3, 4, 8, 11, 15
n.c.
Function
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