TDA8543 Datasheet, PDF (11/20 Pages) NXP Semiconductors – 2 W BTL audio amplifier

Philips Semiconductors
2 W BTL audio amplifier
SE APPLICATION
Product specification
TDA8543
handbook, full pagewidth
R2 110 kΩ
C1 _R1
1 µF ^{11 kΩ}
Vin
C2
47 µF
IN−
6
IN+
5
SVR
4
MODE
3
12
TDA8543
OUT−
11
OUT+
14
13
GND
100 nF
C3
470 µF
VCC
100 µF
RL
MGK408
Gain = ^RR-----21--
Fig.14 SE application.
10
handbook, halfpage
THD
(%)
1
(1)
(2)
10^−1
(3)
MGD884
10^−2
10^−2
10^−1
1
10
Po (W)
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.15 THD as a function of P_o.
1997 Jun 12
10
handbook, halfpage
THD
(%)
1
MGD885
(1)
10^−1
(2)
(3)
10^−2
10
10²
10³
10⁴
10⁵
f (Hz)
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.
Fig.16 THD as a function of frequency.
11