TDA8547 Philips Semiconductors, TDA8547 Datasheet - Page 14

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

Philips Semiconductors
1997 Oct 07
handbook, halfpage
handbook, halfpage
2
channel switching
f = 1 kHz; G
(1) V
(2) V
(3) V
V
(1) V
(2) V
(3) V
(4) V
Fig.19 Channel separation as a function of
o
THD
= 1 V; G
10
10
(dB)
100
(%)
cs
10
20
40
60
80
CC
CC
CC
CC
CC
CC
CC
1 W BTL audio amplifier with output
10
1
1
2
10
= 7.5 V; R
= 9 V; R
= 12 V; R
= 7.5 V; R
= 9 V; R
= 12 V; R
= 5 V; R
2
frequency.
v
v
Fig.17 THD as a function of P
= 20 dB.
= 20 dB.
L
L
L
L
L
= 8 .
= 8 .
= 32 .
L
L
10
= 16 .
= 16
= 4 .
= 4 .
2
10
1
(1)
(2)
(3)
10
3
(1)
(2)
(3)
(4)
1
10
P o (W)
4
f (Hz)
MGD899
o
MGL244
.
10
10
5
14
handbook, halfpage
handbook, halfpage
P
(1) V
(2) V
(3) V
V
(1) G
(2) G
(3) G
SVRR
o
CC
(dB)
THD
= 0.5 W; G
10
10
(%)
= 7.5 V; R
20
40
60
80
10
CC
CC
CC
v
v
v
1
Fig.20 SVRR as a function of frequency.
1
2
10
10
Fig.18 THD as a function of frequency.
= 24 dB.
= 20 dB.
= 0 dB.
= 7.5 V; R
= 9 V; R
= 12 V; R
v
L
= 20 dB.
= 4 ; R
L
L
= 8 .
L
10
10
= 16 .
= 4 .
(1)
(2)
(3)
2
2
S
= 0 ; V
10
10
r
3
3
(1)
(2)
(3)
= 100 mV.
Preliminary specification
10
10
4
4
TDA8547
f (Hz)
f (Hz)
MGD900
MGD902
10
10
5
5