Philips TDA8543 - Manual (Page 8)

1997 Jun 12 8
NXP Semiconductors Product specification
2 W BTL audio amplifier TDA8543
BTL APPLICATION
Fig.4 BTL application.
Gain 2
R2
R1
-------- × =
handbook, full pagewidth
MGK403
6
VCC
Vin
OUT −
IN
−
IN
+
OUT +
11
100 nF 100 μ F 12
13
TDA8543
5
GND
RL
SVR
4
3
MODE
14
C2
47 μ F
1 μ F
C1 R1
R2
11 k Ω
56 k Ω
Fig.5 I
q
as a function of V
CC
.
R
L
= ∞.
handbook, halfpage
0
Iq
(mA)
VCC (V)
15
10
5
0
4 20 8 12 16
MGD876
Fig.6 THD as a function of P
o
.
f = 1 kHz, G
v
= 20 dB.
(1) V
CC
= 5 V, R
L
= 8 Ω.
(2) V
CC
= 7.5 V, R
L
= 8 Ω.
(3) V
CC
= 9 V, R
L
= 16 Ω.
handbook, halfpage
10
1
THD
(%)
10
− 1
10
− 2
MGK404
10
− 2 10
− 1 1
Po (W)
10
(1) (2) (3)