TDA8547 查看數據表（PDF） - Philips Electronics
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TDA8547 Datasheet PDF : 24 Pages
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Philips Semiconductors
2 × 1 W BTL audio amplifier with output
channel switching
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth(j-a)
thermal resistance from junction to ambient
TDA8547T (SO16)
TDA8547 (DIP16)
Preliminary specification
TDA8547
CONDITIONS
in free air
VALUE
100
55
UNIT
K/W
K/W
handbook2, .h5alfpage
P
(W)
2.0
1.5
1.0
DIP16
SO16
0.5
0
0
40
80
MGK698
120
160
Tamb (°C)
Fig.3 Power derating curve.
Table 2 Maximum ambient temperature at different conditions
VCC
(V)
RL
(Ω)
APPLICATION
OPERATION
MODE
Po
(W)(1)
5
8
2 channels
BTL
5
8
1 channel
BTL
7.5
8
2 channels
BTL
7.5
8
1 channel
BTL
7.5
16
2 channels
BTL
7.5
16
1 channel
BTL
7.5
28
2 channels
BTL
7.5
28
1 channel
BTL
Note
1. At THD = 10%.
2 × 1.2
1.2
2 × 2.4
2.4
2 × 1.2
1.2
2×1
1
CONTINUOUS SINE WAVE DRIVEN
Pmax
(W)
1.4
0.7
3.0
1.5
1.8
0.9
1.0
0.5
Tamb(max)
(°C)
SO16
DIP16
−
73
80
112
−
−
−
68
−
50
60
100
50
95
100
122
1997 Oct 07
6
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