Philips TDA7057AQ User Manual Page 8

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1998 Apr 07 8
Philips Semiconductors Product specification
2 × 8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
Fig.7 Total worst case power dissipation as a
function of supply voltage.
(1) R
L
=8.
(2) R
L
=16.
handbook, halfpage
020
15
5
0
10
MBG677
4 8 12 16
P
d
(W)
V
P
(V)
(2)
(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
MBG678
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)
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