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Philips Semiconductors
2
1 W BTL audio amplifier
20
handbook, halfpage
cs
(dB)
40
60
80
100
2
10
10
V
= 1 V, G
= 20 dB.
o
v
(1) V
= 5 V, R
= 32 , to buffer.
CC
L
(2) V
= 7.5 V, R
= 4 .
CC
L
(3) V
= 9 V, R
= 8 .
CC
L
(4) V
= 12 V, R
= 16
CC
L
(5) V
= 5 V, R
= 32 .
CC
L
Fig.17 Channel separation as a function of
frequency.
2
handbook, halfpage
P o
(W)
1.6
1.2
0.8
0.4
0
0
4
THD = 10%.
(1) R
= 4 .
L
(2) R
= 8 .
L
(3) R
= 16 .
L
Fig.19 P
o
1998 Apr 01
MGD901
(1)
(2)
(3)
(4)
(5)
3
4
10
10
f (Hz)
MGD903
(1)
(2)
(3)
8
12
V CC (V)
as a function of V
.
CC
20
handbook, halfpage
SVRR
(dB)
40
60
5
10
80
10
V
= 7.5 V, R
CC
(1) G
v
(2) G
v
(3) G
v
Fig.18 SVRR as a function of frequency.
3
handbook, halfpage
P
(W)
2
1
0
16
(1) R
= 4 .
L
(2) R
= 8 .
L
(3) R
= 16 .
L
Fig.20 Worst case power dissipation as a function
13
(1)
(2)
(3)
2
3
10
10
= 4 ,R
= 0 , V
= 100 mV.
L
s
r
= 24 dB.
= 20 dB.
= 0 dB.
(1)
0
4
8
of V
.
CC
Product specification
TDA8542
MGD902
4
5
10
10
f (Hz)
MGD904
(2)
(3)
12
16
V CC (V)
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