TDA7057A Просмотр технического описания (PDF) - Philips Electronics
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TDA7057A Datasheet PDF : 16 Pages
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Philips Semiconductors
2 × 8 W stereo BTL audio output amplifier
with DC volume control
Product specification
TDA7057AQ
handbook,1h5alfpage
Pd
(W)
10
5
MBG677
(1)
(2)
0
0
4
8
12
16
20
VP (V)
(1) RL = 8 Ω.
(2) RL = 16 Ω.
Fig.7 Total worst case power dissipation as a
function of supply voltage.
80
handboGokv, halfpage
(dB)
40
MBG667
0
−40
−80
−120
0
0.4
0.8
1.2
1.6
2.0
VVC (V)
Fig.8 Voltage gain as a function of volume control
voltage.
1
handbook, halfpage
Vno
(mV)
10−1
MBG678
10−2
0
0.4
0.8
1.2
1.6
2.0
VVC (V)
f = 22 Hz to 22 kHz.
Fig.9 Noise voltage as a function of volume
control voltage.
1998 Apr 07
0
handbook, halfpage
SVRR
(dB)
−20
−40
MBG663
(1)
−60
−80
10−2
10−1
(2)
1
10
102
f (kHz)
(1) VDC = 1.4 V; Vripple = 0.2 V.
(2) VDC = 0.4 V; Vripple = 0.2 V.
Fig.10 SVRR as a function of frequency.
8
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