Philips TDA7057AQ - Manual (Page 7)

1998 Apr 07 7
Philips Semiconductors Product specification
2
×
8 W stereo BTL audio output amplifier
with DC volume control
TDA7057AQ
Fig.3 Quiescent current as a function of supply
voltage.
handbook, halfpage
0 4 20
VP (V)
40
30
10
0
20
MBG672
8 12 16
Iq
(mA)
Fig.4 THD as a function of output power.
(1) R
L
= 16 Ω .
(2) R
L
= 8 Ω .
handbook, halfpage
12
THD
(%)
Pout (W)
0
8
10
− 2 10
− 1 1
MBG675
10
4
(1) (2)
Fig.5 THD as a function of frequency.
(1) G
v
= 40 dB; P
o
= 0.5 W.
(2) G
v
= 30 dB; P
o
= 0.5 W.
handbook, halfpage
10 2
MBG674
10 1 10
− 2 10
− 1
f (kHz)
THD
(%)
10
0
4
8
6
2
(2)
(1)
Fig.6 Output power as a function of supply
voltage.
THD = 10%; f = 1 kHz.
(1) R
L
= 8
Ω
.
(2) R
L
= 16
Ω
.
handbook, halfpage
12
0
4
8
MBG676
0 20 4 8 12 16
Po
(W)
VP (V)
(2)
(1)