Philips Semiconductors
Product specification
Stereo BTL audio output amplifier with DC
volume control
TDA7053A
MBG671
MBG672
12
40
handbook, halfpage
handbook, halfpage
I
q
THD
(%)
(mA)
30
8
4
0
(1)
(2)
(3)
20
10
0
0
−2
−1
10
10
1
10
4
8
12
16
20
P
(W)
out
V
(V)
P
(1) VP = 4.5 V.
(2)
VP = 6 V; RL = 8 Ω.
(3) VP = 12 V; RL = 25 Ω.
Fig.3 Quiescent current as a function of supply
voltage.
Fig.4 THD as a function of output power.
MBG669
MBG670
2.5
10
handbook, halfpage
handbook, halfpage
P
out
(W)
THD
(%)
2.0
8
6
4
(1)
(2) (3)
1.5
1.0
0.5
(2)
2
(1)
0
0
0
10
−2
−1
2
4
8
12
16
10
1
10
10
V
(V)
f (kHz)
P
(1) RL = 8 Ω.
(2) RL = 16 Ω.
(3) RL = 25 Ω.
(1) Gv = 30 dB; Po = 0.1 W.
(2) Gv = 40 dB; Po = 0.1 W.
Fig.6 Output power as a function of supply
voltage.
Fig.5 THD as a function of frequency.
1997 Jul 15
7