Philips Semiconductors
Product specification
Stereo BTL audio output amplifier with DC
volume control
TDA7053A
MBG668
MBG667
4
80
handbook, halfpage
handbook, halfpage
G
v
P
diss
(dB)
40
(W)
3
(1)
(2)
(3)
0
−40
−80
2
1
0
0
−120
4
8
12
16
0
0.4
0.8
1.2
1.6
V
2.0
(V)
V
(V)
P
VC
(1) RL = 8 Ω.
(2)
RL = 16 Ω.
(3) RL = 25 Ω.
Fig.8 Voltage gain as a function of volume control
voltage.
Fig.7 Total worst case power dissipation as a
function of supply voltage.
MBG664
MBG663
1
0
handbook, halfpage
handbook, halfpage
SVRR
(dB)
V
no
(mV)
−20
(1)
−1
10
−40
−60
(2)
−2
−80
10
10
−2
−1
2
0
0.4
0.8
1.2
1.6
V
2.0
(V)
10
1
10
10
f (kHz)
VC
(1) VDC = 1.4 V;Vripple = 0.2 V.
(2) VDC = 0.4 V; Vripple = 0.2 V.
f = 22 Hz to 22 kHz.
Fig.9 Noise voltage as a function of volume
control voltage.
Fig.10 SVRR as a function of frequency.
1997 Jul 15
8