Philips TDA8543 User Manual
1997 Jun 12
12
Philips Semiconductors
Product specification
2 W BTL audio amplifier
TDA8543
Fig.17 SVRR as a function of frequency.
V
CC
= 7.5 V, R
L
= 4
Ω
, R
s
= 0
Ω
, V
i
= 100mV.
(1) G
v
= 24 dB.
(2) G
v
= 20 dB.
(3) G
v
= 0 dB.
handbook, halfpage
−
80
−
60
−
40
−
20
MGD886
10
10
2
10
3
SVRR
(dB)
f (Hz)
10
4
10
5
(1)
(3)
(2)
Fig.18 P
o
as a function of V
CC
.
(1) THD = 10%, R
L
= 4
Ω
.
(2) THD = 10%, R
L
= 8
Ω
.
(3) THD = 10%, R
L
= 16
Ω
.
handbook, halfpage
0
4
(1)
(2)
(3)
8
Po
(W)
VCC (V)
16
2
0
1.6
12
1.2
0.8
0.4
MGD887
Fig.19 Worst case power dissipation as a function
of V
CC
.
(1) R
L
= 4
Ω
.
(2) R
L
= 8
Ω
.
(3) R
L
= 16
Ω
.
handbook, halfpage
0
4
P
(W)
VCC (V)
8
16
1.6
1.2
(1)
(2)
(3)
0.4
0
0.8
12
MGD888
Fig.20 P as a function of P
o
.
(1) V
CC
= 7.5 V, R
L
= 4
Ω
.
(2) V
CC
= 12 V, R
L
= 16
Ω
.
(3) V
CC
= 9 V, R
L
= 8
Ω
.
handbook, halfpage
0
(1)
(3)
(2)
1.2
0.8
0.4
0
0.4
0.8
1.6
1.2
P
(W)
Po (W)
MGD889