Philips TDA8543 - Manual (Page 12)

1997 Jun 12 12
NXP 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