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)
