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1997 Jun 12 8
Philips Semiconductors Product specification
2 W BTL audio amplifier TDA8543
BTL APPLICATION
Fig.4 BTL application.
Gain 2
R2
R1
--------
×=
handbook, full pagewidth
MGK403
6
V
CC
V
in
OUT
−
IN
−
IN
+
OUT
+
11
100 nF 100 µF
12
13
TDA8543
5
GND
R
L
SVR
4
3
MODE
14
C2
47 µF
1 µF
C1
R1
R2
11 kΩ
56 kΩ
Fig.5 I
q
as a function of V
CC
.
R
L
= ∞.
handbook, halfpage
0
I
q
(mA)
V
CC
(V)
15
10
5
0
420
81216
MGD876
Fig.6 THD as a function of P
o
.
f = 1 kHz, G
v
=20dB.
(1) V
CC
= 5 V, R
L
=8Ω.
(2) V
CC
= 7.5 V, R
L
=8Ω.
(3) V
CC
= 9 V, R
L
=16Ω.
handbook, halfpage
10
1
THD
(%)
10
−1
10
−2
MGK404
10
−2
10
−1
1
P
o
(W)
10
(1)
(2)
(3)