TDA8541 Datasheet, PDF (7/20 Pages) NXP Semiconductors – 1 W BTL audio amplifier

Philips Semiconductors
1 W BTL audio amplifier
BTL APPLICATION
Product specification
TDA8541
handbook, full pagewidth
R2 56 kΩ
C1 _R1
1 µF ^{11 kΩ}
Vin
C2
47 µF
IN−
4
IN+
3
SVR
2
MODE
1
6
TDA8541
OUT−
5
OUT+
8
100 nF
RL
7
GND
MBH881
VCC
100 µF
Gain = 2 × ^RR-----21--
Fig.3 BTL application.
handbook,¹h⁵alfpage
Iq
(mA)
10
MGD876
10
handbook, halfpage
THD
(%)
1
MGD877
(1)
(2)
5
10^−1
0
0
4
8
12
16
20
VCC (V)
R_L = ∞.
Fig.4 I_q as a function of V_CC.
1998 Apr 01
10^−2
10^−2
10^−1
1
10
Po (W)
f = 1 kHz, G_v = 20 dB.
(1) V_CC = 5 V, R_L = 8 Ω.
(2) V_CC = 9 V, R_L = 16 Ω.
Fig.5 THD as a function of P_o.
7