Philips TDA8542 1998 Apr 01 12, SE APPLICATION, Fig.16 THD as a function of frequency., Fig.15 THD as a function of Po., Fig.14 Single-ended application.

1998 Apr 01 12
Philips Semiconductors Product specification
2× 1 W BTL audio amplifier TDA8542
SE APPLICATION
Fig.14 Single-ended application.
handbook, full pagewidth
MBH799
14
VCC
ViL OUTL−
INL−
INL+
OUTL+
15
100 nF
470 µF
C4
470 µF
C5
100 µF
16 9
18
TDA8542
13
OUTR−
GND
RL
RL
INR−11
INR+
SVR
12
4
3
5
MODE
BTL/SE
2
OUTR−
OUTR+
10
7
C3
47 µF
1 µF
1 µFR1
R2
R4
10 kΩ
10 kΩ
100 kΩ
100 kΩ
R3
ViR
Gain left R2
R1
--------
=
Gain right R4
R3
--------
=
Fig.15 THD as a function of Po.
handbook, halfpage
10
1
Po (W)
THD
(%)
10−1
10−2
MGD899
10−210−11
(1)
(2)
10
(3)
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
MGD900
10 102103104105
(1)
(2)
(3)