Philips Semiconductors
Stereo BTL audio output amplifier with DC
volume control
Product specification
TDA7053A
handbook, h4alfpage
Pdiss
(W)
3
2
MBG668
(1)
(2) (3)
1
0
0
4
8
12
16
VP (V)
(1) RL = 8 Ω.
(2) RL = 16 Ω.
(3) RL = 25 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
MBG664
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.
1997 Jul 15
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