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1997 Jul 15 7
Philips Semiconductors Product specification
Stereo BTL audio output amplifier with DC
volume control
TDA7053A
Fig.3 Quiescent current as a function of supply
voltage.
handbook, halfpage
04 20
V
P
(V)
40
30
10
0
20
MBG672
81216
I
q
(mA)
Fig.4 THD as a function of output power.
(1) V
P
= 4.5 V.
(2) V
P
= 6 V; R
L
=8Ω.
(3) V
P
= 12 V; R
L
=25Ω.
handbook, halfpage
12
THD
(%)
P
out
(W)
0
8
10
−2
10
−1
1
MBG671
10
4
(1) (2) (3)
Fig.5 THD as a function of frequency.
(1) G
v
= 30 dB; P
o
= 0.1 W.
(2) G
v
= 40 dB; P
o
= 0.1 W.
handbook, halfpage
10
2
MBG669
10110
−2
10
−1
f (kHz)
THD
(%)
10
0
4
6
8
2
(2)
(1)
Fig.6 Output power as a function of supply
voltage.
(1) R
L
=8Ω.
(2) R
L
=16Ω.
(3) R
L
=25Ω.
handbook, halfpage
0
V
P
(V)
P
out
(W)
2.5
0
0.5
MBG670
1.0
1.5
2.0
4 8 12 16
(1) (2) (3)