AN7149N 데이터 시트보기 (PDF) - Panasonic Corporation
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AN7149N Datasheet PDF : 3 Pages
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ICs for Audio Common Use
AN7149N
PO – VCC
16
THD = 10%
f = 1kHz
14
RL = 2Ω
12
RL = 3Ω
10
RL = 4Ω
8
RL = 6Ω
6
4
2
0
0 4 8 12 16 20
Supply Voltage VCC (V)
GV, THD – f
50
49
GV
48
47
VCC = 12V
46
RL = 3Ω
Vin = 3mV
45
1.0
44
0.8
0.6
0.4
THD
0.2
10
100
1k
10k 100k
Frequency f (Hz)
PO, THD – Vin
VCC = 12V
RL = 3Ω
10
10
f = 10kHz
1
f = 100Hz
f = 1kHz
THD
1
0.1
0.01
0.1
PO
f = 1kHz
1
10
Input Voltage Vin (mV)
0.1
100
Vno – Rg
VCC = 12V
RL = 3Ω
1.0
0.8
0.6
0.4
0.2
0
10
FLAT
DIN/AUDIO
100
1k
10k
Input Resistance Rg (Ω)
100k
s Application Circuit
1
100µF +
–
2
Input Ch.1
5
Input Ch.2
6
100µF +
–
–
1000µF
+
3
10
AN7149N
4
9
VCC
+ 1000µF
–
11
+
47µF –
12
0.1µF
2.2Ω
1000µF
+–
7
47µF –
+
8
+–
1000µF
0.1µF
2.2Ω
Printed Circuit Board Layout
AN7149N
–
+
1000µF
Output2
Input2
GND
Input1
0.1µF
+
–
100µF
–
+
100µF
–
+
100µF
2.2Ω
–+
47µF
1
–
+
1000µF
Output1
+–
47µF
12
VCC
+
–
1000µF
GND
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