Philips TDA8543 - Manual (Page 11)

1997 Jun 12 11
NXP 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 μ F
470 μ F
C3
12
13
TDA8543
5
GND
RL
SVR
4
3
MODE
14
C2
47 μ F
1 μ F
C1 R1
R2
11 k Ω
110 k Ω
Fig.15 THD as a function of P
o
.
handbook, halfpage
10
1
THD
(%)
10
− 2
10
− 1
MGD884
10
− 2 10
− 1 1
Po (W)
10
(1)
(3)
(2)
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
MGD885
10 10 2 10 3 10 4 10 5
(1)
(2)
(3)