Philips TDA8542 - Manual (Page 12)

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 µ F
C4
470 µ F
C5
100 µ F
16 9
1 8
TDA8542
13
OUTR
−
GND
RL
RL
INR
−
11
INR
+
SVR
12
4
3
5
MODE
BTL/SE
2
OUTR
−
OUTR
+
10
7
C3
47
µ
F
1 µ F
1 µ F
R1
R2
R4
10 k Ω
10 k
Ω
100 k Ω
100 k Ω
R3
ViR
Gain left
R2
R1
-------- =
Gain right
R4
R3
-------- =
Fig.15 THD as a function of P
o
.
handbook, halfpage
10
1
Po (W)
THD
(%)
10
− 1
10
− 2
MGD899
10
− 2 10
− 1 1
(1)
(2)
10
(3)
f = 1 kHz, G
v
= 20 dB.
(1) V
CC
= 7.5 V, R
L
= 4 Ω .
(2) V
CC
= 9 V, R
L
= 8 Ω .
(3) V
CC
= 12 V, R
L
= 16 Ω .
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
= 4 Ω .
(2) V
CC
= 9 V, R
L
= 8 Ω .
(3) V
CC
= 12 V, R
L
= 16 Ω .
handbook, halfpage
10
1
THD
(%)
f (Hz)
10
− 1
10
− 2
MGD900
10 10 2 10 3 10 4 10 5
(1)
(2)
(3)