TDA8547 Philips Semiconductors, TDA8547 Datasheet - Page 10

• Manufacturer Part Number: TDA8547
• Description: 2 x 1 W BTL audio amplifier with output channel switching
• Manufacturer: Philips Semiconductors

Philips Semiconductors
BTL APPLICATION
1997 Oct 07
handbook, full pagewidth
handbook, halfpage
2
channel switching
R
Gain channel 1
Gain channel 2
L
(mA)
= .
I q
30
20
10
0
1 W BTL audio amplifier with output
0
Fig.5 I
=
=
4
2
2
R2
------- -
R1
R4
------- -
R3
q
1 F
1 F
as a function of V
C1
C2
V i1
V i2
8
10 k
10 k
R1
R3
R2
R4
12
47 F
50 k
50 k
C3
OUT2
16
CC
V CC (V)
SELECT
.
MGD890
MODE
SVRR
IN1
IN1
IN2
IN2
20
Fig.4 BTL application.
14
13
11
12
4
3
5
16
1
TDA8547
10
handbook, halfpage
GND
9
8
f = 1 kHz; G
(1) V
(2) V
10
10
THD
15
10
(%)
10
2
7
CC
CC
10
1
1
2
= 5 V; R
= 9 V; R
OUT1
OUT1
OUT2
OUT2
2
MGK701
v
= 20 dB.
Fig.6 THD as a function of P
L
L
= 8 .
= 16 .
100 nF
10
C4
1
R L1
R L2
(1)
C5
100 F
Preliminary specification
1
V CC
(2)
P o (W)
TDA8547
o
MGD891
.
10