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AN7140 Datasheet, PDF (2/2 Pages) Panasonic Semiconductor – 5W Audio Power Amplifier Circuit | |||
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AN7140
ICs for Audio Common Use
s Absolute Maximum Ratings (Ta= 25ËC)
Parameter
Symbol
Rating
Unit
Supply Voltage
VCC
20
V
Supply Current
ICC
4
A
Power Dissipation (Ta = 30ËC)
PD
10
W
Operating Ambient Temperature
Topr
â 30 ~ + 75
ËC
Storage Temperature
Tstg
â 40 ~ + 150
ËC
s Electrical Characteristics (VCC = 13.2V, RL = 4â¦, f = 1kHz, Ta = 25ËC)
Parameter
Symbol
Condition
min.
Quiescent Circuit Current
Voltage Gain
Output Power
ICQ
Vi= 0
GV
Vi= 3mV
PO
THD= 10%
15
51.5
4.5
Total Harmonic Distortion
Output Noise Voltage
Input Impedance
THD
Vno
Zi
Vi= 3mV
Rg= 10kâ¦
typ.
30
53.5
5
0.15
1.5
30
max.
55
55.5
1
3
Unit
mA
dB
W
%
mV
kâ¦
PD â Ta
12
(1) Tc = Ta
(2) With a 100 Ã 100 Ã 3mm AI
10
heat sink (black color coated)
(1)
(3) With a 200 Ã 200 Ã 2mm AI
heat sink
8
(4) With a 25 Ã 25 Ã 2mm AI heat sink
(5) Without heat sink
(2)
6
(3)
4
(4)
2
(5)
0
0 20 40 60 80 100 120 140 160 180 200
Ambient Temperature Ta (ËC)
s Application Circuit
Input
â
47µF
+
8
9
VCC =13.2V
+
â 470µF
6
3
+
AN7140
47µF
â
1000µF
+â
7
1
5
4
2
0.1µF
+
47µF
â
2.2â¦
RL = 4â¦
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