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
Preliminary specification
TDA8547
handbook, h2alfpage
Po
(W)
1.6
1.2
0.8
MGD903
(1)
(2)
(3)
0.4
0
0
4
8
12
16
VCC (V)
THD = 10%.
(1) RL = 4 Ω.
(2) RL = 8 Ω.
(3) RL = 16 Ω.
Fig.21 Po as a function of VCC.
handbook, h3alfpage
P
(W)
2
MGD904
(1) (2)
(3)
1
0
0
4
(1) RL = 4 Ω.
(2) RL = 8 Ω.
(3) RL = 16 Ω.
8
12 VCC (V) 16
Fig.22 Worst case power dissipation as a function
of VCC (both channels on).
handbook2, .h4alfpage
P
(W)
(1)
1.6
(2)
(3)
0.8
MGD905
0
0
0.4
0.8
Sine wave of 1 kHz.
(1) VCC = 12 V; RL = 16 Ω.
(2) VCC = 7.5 V; RL = 4 Ω.
(3) VCC = 9 V; RL = 8 Ω.
1.2
1.6
Po (W)
Fig.23 Power dissipation as a function of Po (both
channels on).
1997 Oct 07
15
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