ICs for Audio Common Use
AN7158N
P
O
, I
CQ
– V
CC
Output Power P
O
(W), Total Harmonic Distortion THD (%)
16
THD = 10%
14
12
Output Power P
O
(W)
P
O
10
8
6
8Ω
4
2
0
40
20
0
20
R
L
= 3Ω
100
4Ω
80
I
CQ
60
140
120
100
P
O
, THD – V
i
V
CC
= 13.2V
R
L
= 4Ω
30 f = 1kHz
10
3
1
0.3
0.1
0.03
P
O
0.01
0.1
0.3
1
3
10
30
100
: G
V
≈
54dB
: G
V
≈
46dB
(with 4, 9
Pin 82Ω)
Output Power P
O
(W), Total Harmonic Distortion THD (%)
100
30
10
3
1
THD
THD
P
O
, THD – V
i
V
CC
= 16V
R
L
= 8Ω
f = 1kHz
: G
V
≈
54dB
: G
V
≈
46dB
(with 4, 9 Pin 82Ω)
otal
2-ch. T
Quiescent Circuit Current I
CQ
(mA)
P
O
0.3
THD
0.1
0.03
0.01
0.1
P
O
0
4
8
12
16
0.3
1
3
10
30
100
Supply Voltage V
CC
(V)
Input Voltage V
i
(mV)
Input Voltage V
i
(mV)
THD, G
V
– f
Total Harmonic Distortion THD (%), Voltage Gain Response ,G
V
(dB)
Total Harmonic Distortion THD (%), Voltage Gain Response G
V
(dB)
3
2
1
0
–1
–2
–3
–4
–5
1
0
–1
–2
–3
–4
–5
V
CC
= 13.2V
R
L
= 4Ω
P
O
= 0.5W
G
V
, THD – f
G
V
Power Dissipation (Single Channel Operation) P
D
(W)
4.0
3.6
3.2
2.8
2.4
2.0
1.6
1.2
P
D
– P
O
8.0
Power Dissipation (Dual Operation) P
D
(W)
f = 1kHz
Ta = 25˚C
6.4
5.6
4.8
V
CC
= 13.2V
R
L
= 4Ω
4.0
3.2
2.4
13.2V, 8Ω
0.8
9V, 4Ω
0.4
9V, 8Ω
0
0
2
4
6
8
10
0
0.8
1.6
G
V
: G
V
≈
54dB
: G
V
≈
46dB
(with 4, 9 Pin 82Ω)
2.0
1.5
1.0
0.5
0
10
V
CC
= 16V
R
L
= 8Ω
P
O
= 0.5W
: G
V
≈
54dB
: G
V
≈
46dB
(with 4, 9
Pin 82Ω)
2.0
1.5
1.0
0.5
0
10
THD
100
1k
10k
100k
THD
100
1k
10k
100k
Frequency f (Hz)
Frequency f (Hz)
Output Power P
O
(W)
THD – P
O
100
50
Total Harmonic Distortion THD (%)
30
Output Noise Voltage V
no
(mV)
V
CC
= 13.2V
R
L
= 4Ω
f =100kHz
2.0
V = 13.2V
1.8 R
CC
4Ω
L
=
1.6
1.4
1.2
V
no
– R
g
10
5
3
: Commend Circuit
: G
V
≈
47dB (with82Ω to
Pin 4, 9)
82Ω100µF or less
1.0
0.8
0.6
0.4
0.2
1
0.5
0.3
0.1
0.01
0.1
1
10
100
0
10
100
1k
10k
100k
Output Power P
O
(W)
Source Resistance R
g
(Ω)
PANASONIC [ PANASONIC SEMICONDUCTOR ]
