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1997 Jul 15 8
Philips Semiconductors Product specification
Stereo BTL audio output amplifier with DC
volume control
TDA7053A
Fig.7 Total worst case power dissipation as a
function of supply voltage.
(1) R
L
=8Ω.
(2) R
L
=16Ω.
(3) R
L
=25Ω.
handbook, halfpage
048 16
V
P
(V)
4
3
1
0
2
MBG668
12
P
diss
(W)
(2) (3)(1)
Fig.8 Voltage gain as a function of volume control
voltage.
handbook, halfpage
0
G
v
(dB)
2.0
V
VC
(V)
80
−40
−80
−120
40
0
MBG667
0.4 0.8 1.2 1.6
Fig.9 Noise voltage as a function of volume
control voltage.
f = 22 Hz to 22 kHz.
handbook, halfpage
2.0
V
VC
(V)
0
10
−2
10
−1
MBG664
1
0.4 0.8 1.2 1.6
V
no
(mV)
Fig.10 SVRR as a function of frequency.
(1) V
DC
= 1.4 V;V
ripple
= 0.2 V.
(2) V
DC
= 0.4 V; V
ripple
= 0.2 V.
handbook, halfpage
10
2
MBG663
10110
−2
10
−1
f (kHz)
SVRR
(dB)
−20
−40
−60
−80
0
(1)
(2)