NXP Semiconductors TDA8543, Техническое описание

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1997 Jun 12 9
NXP Semiconductors Product specification
2 W BTL audio amplifier TDA8543
Fig.7 THD as a function of frequency.
P
o
= 0.5 W, G
v
= 20 dB.
(1) V
CC
= 5 V, R
L
= 8
Ω
.
(2) V
CC
= 7.5 V, R
L
= 8
Ω
.
(3) V
CC
= 9 V, R
L
= 16
Ω
.
handbook, halfpage
10
1
10
−
1
10
−
2
MGK409
10 10
2
10
3
10
4
THD
(%)
f (Hz)
10
5
(1)
(3)
(2)
Fig.8 SVRR as a function of frequency.
handbook, halfpage
−
80
−
60
−
40
−
20
MGD879
10 10
2
10
3
SVRR
(dB)
f (Hz)
10
4
10
5
(1)
(2)
(3)
V
CC
= 5 V, 8
Ω
, R
s
= 0
Ω
, V
r
= 100 mV.
(1) G
v
= 30 dB.
(2) G
v
= 20 dB.
(3) G
v
= 6 dB.
Fig.9 P
o
as a function of V
CC
.
THD = 10%.
(1) R
L
= 8
Ω
.
(2) R
L
= 16
Ω
.
(3) R
L
= 25
Ω
.
handbook, halfpage
0
(1)
(2)
(3)
4 8
Po
(W)
VCC (V)
12
2.5
0
2
1.5
1
0.5
MGK405
Fig.10 Worst case power dissipation as a function
of V
CC
.
(1) R
L
= 8
Ω
.
(2) R
L
= 16
Ω
.
(3) R
L
= 25
Ω
.
handbook, halfpage
0
(1)
(2)
(3)
4
P
(W)
VCC (V)
8 12
2
1.5
0.5
0
1
MGK406