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Part Name
Description
LA4742 View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LA4742
45 W Four-Channel (Bridge Circuit) Power Amplifier
SANYO -> Panasonic
LA4742 Datasheet PDF : 9 Pages
1
2
3
4
5
6
7
8
9
LA4742
I
CCO
, V
N
— V
CC
300
5
R
L
=Open
Rg=0
Ω
250
Vst=5 V
4
200
I
CCO
3
150
V
N
2
100
I
CCO
1
50
V
N
0
0
0
5
10
15
20
25
Supply voltage, V
CC
— V
48
R
L
=4
Ω
44
f=1kHz
40
Rg=600
Ω
THD=10%
36
All channels driven
32
P
O
— V
CC
28
24
20
16
12
8
4
8
10
12
14
16
18
20
Supply voltage, V
CC
— V
100
7
5
3
2
V
CC
=14.4V
R
L
=4
Ω
f=1kHz
10
Rg=600
Ω
7
All channels driven
5
3
2
THD — P
O
1
7
5
3
2
0.1
7
5
3
2
0.01
0.1
2 3 571
2 3 5 7
10
2 3 5 7
100
Output power, P
O
— W
10
7
V
CC
=14.4V
5
R
L
=4
Ω
3
Rg=600
Ω
2
P
O
=2W
All channels driven
1
7
5
3
2
0.1
OUT2,
4
7
5
3
2
THD — f
0.01
10
2 3 5 7
100
2 3 5 7
1k
2 3 5 7
10k
2 3 5 7100k
Input frequency, f — Hz
100
7
5
3
V
CC
=14.4V
R
L
=4
Ω
2
f=1kHz
10
Rg=600
Ω
7
5
V
G
=26dB
All channels driven
3
2
P
O
— V
IN
1.0
7
5
3
2
0.1
7
5
3
2
0.01
10
2 3 5 7
100
2 3 5 7
1k
2 3
Input level, V
IN
— mVrms
100
7
5
3
2
V
CC
=14.4V
R
L
=4
Ω
f=100Hz
10
Rg=600
Ω
7
All channels driven
5
3
2
THD — P
O
1
7
5
3
2
0.1
7
OUT2,
4
5
3
2
OUT1,
3
0.01
0.1
2 3 57
1
2 3 5 7
10
2 3
Output power, P
O
— W
100
7
5
3
V
CC
=14.4V
R
L
=4
Ω
2
f=10kHz
10
Rg=600
Ω
7
All channels driven
5
3
2
THD — P
O
1
7
5
3
2
0.1
7
5
3
2
0.01
0.1
2 3 57
1
2 3 5 7
10
2 3
Output power, P
O
— W
f — Response
4
5 7
10k
5 7
100
5 7
100
2
2.2
µ
F
0
–2
–4
–6
–8
–10
10
V
CC
=14.4V
R
L
=4
Ω
Rg=600
Ω
V
O
=0 dBm at f = 1 kHz
ALL channels driven
2 3 5 7
100
2 3 5 7
1k
2 3 5 7
10k
2 3 5 7100k
Input frequency, f — Hz
No. 7043-7/9
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