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
= 8
Ω
.
(2) R
L
= 16
Ω
.
(3) R
L
= 25
Ω
.
handbook, halfpage
0
4
8
16
VP (V)
4
3
1
0
2
MBG668
12
Pdiss
(W)
(2)
(3)
(1)
Fig.8
Voltage gain as a function of volume control
voltage.
handbook, halfpage
0
Gv
(dB)
2.0
VVC (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
VVC (V)
0
10
−
2
10
−
1
MBG664
1
0.4
0.8
1.2
1.6
Vno
(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
10
1
10
−
2
10
−
1
f (kHz)
SVRR
(dB)
−
20
−
40
−
60
−
80
0
(1)
(2)
