TDA8547 Philips Semiconductors, TDA8547 Datasheet - Page 15

• Manufacturer Part Number: TDA8547
• Description: 2 x 1 W BTL audio amplifier with output channel switching
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1997 Oct 07
handbook, halfpage
handbook, halfpage
2
channel switching
THD = 10%.
(1) R
(2) R
(3) R
Sine wave of 1 kHz.
(1) V
(2) V
(3) V
Fig.23 Power dissipation as a function of P
(W)
(W)
P o
1.6
1.2
0.8
0.4
2.4
1.6
0.8
P
CC
CC
CC
2
0
L
L
L
0
1 W BTL audio amplifier with output
= 4 .
= 8 .
= 16 .
0
0
= 12 V; R
= 7.5 V; R
= 9 V; R
channels on).
Fig.21 P
L
L
= 8 .
L
0.4
= 16 .
= 4 .
4
o
as a function of V
(1)
(1)
(2)
(3)
0.8
8
(2)
1.2
12
(3)
V CC (V)
CC
P o (W)
MGD903
MGD905
.
o
16
1.6
(both
15
handbook, halfpage
(1) R
(2) R
(3) R
Fig.22 Worst case power dissipation as a function
(W)
P
3
2
1
0
L
L
L
= 4 .
= 8 .
= 16 .
0
of V
CC
(both channels on).
4
8
(1)
Preliminary specification
(2)
12
(3)
V CC (V)
TDA8547
MGD904
16