1998 Apr 01
11
Philips Semiconductors
Product specification
2
×
1 W BTL audio amplifier
TDA8542
Fig.10 Worst case power dissipation as a function
of V
CC
.
handbook, halfpage
0
3
(1)
(2)
2
VCC (V)
1
0
4
8
12
MGD896
P
(W)
(1) R
L
= 8
Ω
.
(2) R
L
= 16
Ω
.
Fig.11 P
dis
as a function of P
o
.
Sine wave of 1 kHz.
(1) V
CC
= 9 V, R
L
= 16
Ω
.
(2) V
CC
= 5 V, R
L
= 8
Ω
.
handbook, halfpage
0
3
2
(1)
(2)
1
0
0.5
2.5
1
1.5
2
Po (W)
MGD897
P
(W)
Fig.12 V
o
as a function of V
ms
.
Band-pass = 22 Hz to 22 kHz.
(1) V
CC
= 3 V.
(2) V
CC
= 5 V.
(3) V
CC
= 12 V.
handbook, halfpage
1
10
10
−
2
10
−
1
10
−
3
10
−
4
10
−
6
10
−
5
MGD898
10
−
1
1
Vo
(V)
Vms (V)
10
10
2
(1)
(2)
(3)
Fig.13 V
ms
as a function of V
P
.
handbook, halfpage
0
4
8
Vms
(V)
16
16
12
4
0
8
12
VP (V)
MGL070
operating
mute
standby