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Part Name
Description
AN7135 View Datasheet(PDF) - Panasonic Corporation
Part Name
Description
Manufacturer
AN7135
Dual 7.5W Low Frequency Power Amplifier Circuit
Panasonic Corporation
AN7135 Datasheet PDF : 4 Pages
1
2
3
4
AN7135
I
CQ
– V
CC
20
16
No R
RF
12
V
STB
= 6V
8
V
STB
= 5V
4
V
STB
= 4V
V
STB
= 3V
0
0
4
8 12 16 20
Supply Voltage V
CC
(V)
ICs for Audio Common Use
P
O
– V
CC
20
f
req.
= 1kHz
THD = 10%
16
12
R
L
= 3
Ω
8
R
L
= 4
Ω
4
R
L
= 8
Ω
0
0
4
8
12
16 20
Supply Voltage V
CC
(V)
G
V
, THD – f
IN
52
V
CC
= 15V
50
R
L
= 3
Ω
V
IN
= 10mVrms
48
Both ch. drive
46
Gain
1.0
44
0.8
42
0.6
THD
40
0.4
38
0.2
Ch. 1
36
Ch. 2
0
34
32
10
100
1k
10k
Input Frequency f
IN
(Hz)
100k
P
O
, THD – V
IN
100
100
V
CC
= 15V
R
L
= 3
Ω
30 Both ch. drive
30
1kHz
10
10kHz
10
100Hz
3
3
1
1
0.3
0.3
0.1
0.1
0.03
0.03
0.01
0.1
0.3 1 3 10 30
Input Voltage V
IN
(mV)
0.01
100
G
V
, THD – V
CC
10
V
IN
= 3V
47
V
C
= 5V
f
IN
= 1kHz
9
R
L
= 3
Ω
46
Both ch. drive
8
Gv
45
7
44
6
43
5
42
4
41
3
40
2
V
C
= 5V
0
0
4
THD
1
0
8
12
16 20
Supply Voltage V
CC
(V)
V
no
– R
g
1.0
V
CC
= 15V
DIN/Audio With filter
0.8
0.6
0.4
0.2
0
10
100
1k
10k 100k
Resistance R
g
(
Ω
)
RR – f
ripple
RR – V
ripple
100
100
V
CC
= 15V
V
CC
= 15V
V
R
= 280mVrms
f
R
= 120Hz
R
g
= 0
R
g
= 0
80
DIN/Audio With filter
80
DIN/Audio With filter
60
60
40
40
C
R– F
= 100
µ
F
(same for 47
µ
F)
20
20
0
10 20 30
100 200 300 500 1k
Ripple Frequency f
ripple
(Hz)
0
0.1 0.2 0.3 0.5 1
3 5 10
Ripple Voltage V
ripple
(V)
RR – V
CC
80
V
R
= 280mVrms
70
f
R
= 120Hz
R
g
= 0
DIN/Audio With filter
60
50
40
30
20
10
0
0 4 8 12 16 20 24 28 32
Supply Voltage V
CC
(V)
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