TDA8547 Datasheet, PDF (13/24 Pages) NXP Semiconductors – 2 x 1 W BTL audio amplifier with output channel switching

Philips Semiconductors
2 × 1 W BTL audio amplifier with output
channel switching
Preliminary specification
TDA8547
20
handbook, full pagewidth
VSELECT
(V)
16
MGK700
12
8
4
0
0
2
SE APPLICATION
channel 2
standby
channel 1 + 2
on
VP
channel 1
channel 2
on
on
channel 1
standby
4
6
8
10
12
14
16
18
20
VP (V)
Fig.15 V_SELECT as a function of V_P.
handbook, full pagewidth
C1
R2 100 kΩ
1 µF _R1
10 kΩ
Vi1
C3
47 µF
IN1−
16
14
IN1+
13
C4
9
100 nF
OUT1−
15
C6
470 µF
C2
R4
1 µF _R3
10 kΩ
Vi2
Gain channel 1 = ^RR-----21--
Gain channel 2 = ^RR-----43--
OUT2−
100 kΩ
IN2−
11
IN2+
12
SVRR
4
MODE
3
SELECT
5
TDA8547
2 ^OUT1+
OUT2−
10
7 ^OUT2+
1
8
GND
MGK702
C7
470 µF
Fig.16 SE application.
VCC
C5
100 µF
RL1
RL2
1997 Oct 07
13