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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
=4Ω, R
s
=0Ω, V
i
= 100mV.
(1) G
v
=24dB.
(2) G
v
=20dB.
(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
=4Ω.
(2) THD = 10%, R
L
=8Ω.
(3) THD = 10%, R
L
=16Ω.
handbook, halfpage
04
(1) (2)
(3)
8
P
o
(W)
V
CC
(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
=4Ω.
(2) R
L
=8Ω.
(3) R
L
=16Ω.
handbook, halfpage
04
P
(W)
V
CC
(V)
816
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
=4Ω.
(2) V
CC
= 12 V, R
L
=16Ω.
(3) V
CC
= 9 V, R
L
=8Ω.
handbook, halfpage
0
(1)
(3)
(2)
1.2
0.8
0.4
0
0.4 0.8 1.6
1.2
P
(W)
P
o
(W)
MGD889