Philips TDA8543 1997 Jun 12 11, SE APPLICATION, Fig.16 THD as a function of frequency., Fig.15 THD as a function of Po., Fig.14 SE application.

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 kΩ
110 kΩ
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=4Ω.
(2) VCC = 9 V, RL=8Ω.
(3) VCC = 12 V, RL=16Ω.
Fig.16 THD as a function of frequency.
Po= 0.5 W, Gv= 20 dB.
(1) VCC = 7.5 V, RL=4Ω.
(2) VCC = 9 V, RL=8Ω.
(3) VCC = 12 V, RL=16Ω.
handbook, halfpage
10
1
THD
(%)
f (Hz)
10−1
10−2
MGD885
10 102103104105
(1)
(2)
(3)