Philips TDA7057AQ - Manual (Page 8)

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
Ω
.
(2) R
L
= 16
Ω
.
handbook, halfpage
0 20
15
5
0
10
MBG677
4 8 12 16
Pd
(W)
VP (V)
(2)
(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
MBG678
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)