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1998 Apr 01 10
Philips Semiconductors Product specification
2 × 1 W BTL audio amplifier TDA8542
Fig.6 THD as a function of frequency.
P
o
= 0.5 W, G
v
= 20 dB.
(1) V
CC
= 5 V, R
L
=8Ω.
(2) V
CC
= 9 V, R
L
=16Ω.
handbook, halfpage
10
1
10
−1
10
−2
MGD892
10 10
2
10
3
10
4
THD
(%)
f (Hz)
10
5
(1)
(2)
Fig.7 Channel separation as a function of
frequency.
V
CC
= 5 V, V
o
= 2 V, R
L
=8Ω.
(1) G
v
=30dB.
(2) G
v
=20dB.
(3) G
v
= 6 dB.
handbook, halfpage
−100
−90
−80
−70
−60
MGD893
10 10
2
10
3
10
4
10
5
f (Hz)
α
cs
(dB)
(1)
(2)
(3)
Fig.8 SVRR as a function of frequency.
V
CC
= 5 V, R
s
=0Ω, V
r
100 mV.
(1) G
v
=30dB.
(2) G
v
=20dB.
(3) G
v
= 6 dB.
handbook, halfpage
−80
−60
−40
−20
MGD894
10
2
10 10
3
SVRR
(dB)
f (Hz)
10
4
10
5
(1)
(2)
(3)
Fig.9 P
o
as a function of V
CC
.
(1) THD = 10%, R
L
=8Ω.
(2) THD = 10%, R
L
=16Ω.
handbook, halfpage
048
P
o
(W)
V
CC
(V)
12
2.5
0
2
1.5
1
(1) (2)
0.5
MGD895