AN7170 Просмотр технического описания (PDF) - Panasonic Corporation
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AN7170 Datasheet PDF : 4 Pages
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ICs for Audio Common Use
AN7170
PD – Ta
40
(1) Tc = Ta (θj – c = 4˚C/W)
(2) With a 100cm2 × 3mm Al
heat sink (black color coated)
32
or a 200cm2 × 2mm Al heat
sink (not lacquered)
(3) With a 100cm2 × 2mm Al
(1) heat sink (not lacquered)
24
16
(2)
(3)
8
0
0
40 80 120 160 200
Ambient Temperature Ta (˚C)
PO – VCC
24
RL = 4Ω THD = 10%
RL = 8Ω
5%
20
1%
16
12
1%
8
4
0
0 12 16 20 24 28 32
Supply Voltage VCC (V)
PO, PD, THD – Vi
100
VCC = 24V, RL = 4Ω
30
f = 1kHz, GV = 53dB
PO
10
3
PD
1
0.3
THD
0.1
0.03
0.01
0.1 0.3
13
10 30 100
Input Voltage Vi (mV)
PO, PD, THD – Vi
100
100
VCC = 24V, RL = 8Ω
f = 1kHz
30
GV = 53dB
30
GV = 46dB
10
10
3
PD
3
PO PO
1
1
0.3
THD
0.3
0.1
0.1
0.03
THD
0.01
0.1 0.3
13
10 30
Input Voltage Vi (mV)
0.03
0.01
100
4
2
0
–2
–4
1.5
1.0
0.5
0
10
GV, THD – f
GV = 53dB
GV = 46dB
VCC = 24V
RL = 8Ω
PO = 2W
0
GV
–2
–4
–6
THD
100
1k
10k
100k
10
Frequency f (Hz)
GV, THD – f
VCC = 24V
RL = 4Ω
PO = 4W
GV = 53dB
GV
THD
100
1k
10k
Frequency f (Hz)
2.0
1.5
1.0
0.5
0
100k
16
f = 1kHz
14
PD – PO
RL = 4Ω
RL = 8Ω
12
VCC = 30V
10
28V
8
24V
6
30V
4
2 16V
28V
24V 22V
16V
22V
0 0 4 8 12 16 20 24 28 32
Output Voltage PO (W)
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