AN7135
I
CQ
– V
CC
20
20
f
req.
= 1kHz
THD = 10%
ICs for Audio Common Use
P
O
– V
CC
52
50
48
Voltage Gain G
V
(dB)
46
44
42
THD
40
38
V
STB
= 5V
Ch. 1
Ch. 2
0.4
0.2
0
Gain
V
CC
= 15V
R
L
= 3Ω
V
IN
= 10mVrms
Both ch. drive
1.0
0.8
0.6
Total Harmonics Distortion THD (%)
G
V
, THD – f
IN
16
Quiescent Current I
mCQ
(mA)
No R
RF
12
Output Power P
O
(W)
16
12
R
L
= 3Ω
8
R
L
= 4Ω
8
V
STB
= 6V
4
V
STB
= 4V
V
STB
= 3V
0
0
4
8
12
16
20
4
R
L
= 8Ω
0
36
34
20
32
10
100
0
4
8
12
16
1k
10k
100k
Supply Voltage V
CC
(V)
Supply Voltage V
CC
(V)
Input Frequency f
IN
(Hz)
P
O
, THD – V
IN
100
30
10
Output Power P
O
(W)
3
1
0.3
0.1
0.03
0.01
0.1
V
CC
= 15V
R
L
= 3Ω
Both ch. drive
1kHz
10kHz
100Hz
100
30
10
3
1
0.3
0.1
47
Total Harmonics Distortion THD (%)
46
G
V
, THD – V
CC
V
C
= 5V
Gv
Voltage gain G
V
(dB)
45
44
43
42
41
40
THD
0
V
C
= 5V
0
4
8
12
16
7
6
5
4
3
2
1
0
20
0
10
100
10
V
IN
= 3V
f
IN
= 1kHz 9
R
L
= 3Ω
Both ch. drive 8
1.0
V
no
– R
g
V
CC
= 15V
DIN/Audio With filter
Total Harmonics Distortion THD (%)
0.8
Noise Voltage V
no
(mV)
0.6
0.4
0.2
0.03
0.01
100
0.3
1
3
10
30
1k
10k
100k
Input Voltage V
IN
(mV)
Supply Voltage V
CC
(V)
Resistance R
g
(Ω)
RR – f
ripple
100
V
CC
= 15V
V
R
= 280mVrms
R
g
= 0
DIN/Audio With filter
100
RR – V
ripple
80
V
CC
= 15V
f
R
= 120Hz
R
g
= 0
DIN/Audio With filter
70
Ripple Suppression Ratio RR (dB)
60
50
40
30
20
10
RR – V
CC
V
R
= 280mVrms
f
R
= 120Hz
R
g
= 0
DIN/Audio With filter
Ripple Suppression Ratio RR (dB)
80
Ripple Suppression Ratio RR (dB)
80
60
60
40
C
R– F
= 100µF
(same for 47µF)
20
40
20
0
10
20 30
100 200 300 500
1k
0
0.1
0.2 0.3 0.5
1
3
5
10
0
0
4
8
12
16
20
24
28
32
Ripple Frequency f
ripple
(Hz)
Ripple Voltage V
ripple
(V)
Supply Voltage V
CC
(V)
PANASONIC [ PANASONIC SEMICONDUCTOR ]
