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
VCC
Vin
OUT
IN
IN+
OUT+
11
100 nF 100 µF
470 µF
C3
12
13

TDA8543

5
GND
RL
SVR 4
3
MODE 14
C2
47 µF
1 µF
C1 R1 R2
11 k
110 k

Fig.15 THD as a function of Po.

handbook, halfpage
10
1
THD
(%)
10
2
10
1
MGD884
10
2
10
1
1Po (W) 10
(1)
(3)
(2)
f = 1 kHz, Gv=20dB.
(1) VCC = 7.5 V, RL=4.
(2) VCC = 9 V, RL=8.
(3) VCC = 12 V, RL=16.

Fig.16 THD as a function of frequency.

Po= 0.5 W, Gv= 20 dB.
(1) VCC = 7.5 V, RL=4.
(2) VCC = 9 V, RL=8.
(3) VCC = 12 V, RL=16Ω.
handbook, halfpage
10
1
THD
(%)
f (Hz)
101
102
MGD885
10 102103104105
(1)
(2)
(3)