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1997 Jun 12 11
Philips Semiconductors Product specification
2 W BTL audio amplifier TDA8543
SE APPLICATION
Fig.14 SE application.
Gain
R2
R1
--------
=
handbook, full pagewidth
MGK408
6
V
CC
V
in
OUT
−
IN
−
IN
+
OUT
+
11
100 nF 100 µF
470 µF
C3
12
13
TDA8543
5
GND
R
L
SVR
4
3
MODE
14
C2
47 µF
1 µF
C1
R1
R2
11 kΩ
110 kΩ
Fig.15 THD as a function of P
o
.
handbook, halfpage
10
1
THD
(%)
10
−2
10
−1
MGD884
10
−2
10
−1
1
P
o
(W)
10
(1)
(3)
(2)
f = 1 kHz, G
v
=20dB.
(1) V
CC
= 7.5 V, R
L
=4Ω.
(2) V
CC
= 9 V, R
L
=8Ω.
(3) V
CC
= 12 V, R
L
=16Ω.
Fig.16 THD as a function of frequency.
P
o
= 0.5 W, G
v
= 20 dB.
(1) V
CC
= 7.5 V, R
L
=4Ω.
(2) V
CC
= 9 V, R
L
=8Ω.
(3) V
CC
= 12 V, R
L
=16Ω.
handbook, halfpage
10
1
THD
(%)
f (Hz)
10
−1
10
−2
MGD885
10 10
2
10
3
10
4
10
5
(1)
(2)
(3)