AN7148 데이터 시트보기 (PDF) - Panasonic Corporation
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AN7148 Datasheet PDF : 4 Pages
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ICs for Audio Common Use
AN7148
GV, ICQ, THD – VCC
46
GV
45
f = 1kHz
RL = 4Ω
44
0.8
15
0.6
ICQ
10
0.4
THD
5
0.2
0
0
0 4 8 12 16 20 24
Supply Voltage VCC (V)
PO, THD – Vin
10
100
VCC = 9V
RL = 4Ω
f = 1kHz
1
10
0.1
THD
1
0.01
PO
0.1
0.001
0.1
1
10
Input Voltage Vin (mV)
0.01
100
GV, THD – f
45
GV
44
43
42
41
VCC = 9V
RL = 4Ω
Vin = 3mV
THD
10
100
1k
10k
Frequency f (Hz)
1.0
0.8
0.6
0.4
0.2
0
100k
PO – VCC
20
18
THD = 10%
f = 1kHz
16
14
12
10
RL = 3Ω
8
6
RL = 4Ω
4
2
0
0 4 8 12 16 20 24
Supply Voltage VCC (V)
1.6
VCC = 9V
RL = 4Ω
1.4
Vno – Rg
1.2
1.0
0.8
0.6
FLAT
0.4
DIN/Audio
0.2
0
0.1k
1k
10k
100k 1000k
Input Resistance Rg (Ω)
s Application Circuit
100µF
+
–
1
2
Input Ch.1
5
Input Ch.2
6
100µF
+
–
– 1000µF
+
3
10
AN7148
4
9
VCC
+ 1000µF
–
11
+
47µF –
12
0.1µF
2.2Ω
1000µF
+–
7
47µF –
+
8
+–
1000µF
0.1µF
2.2Ω
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