Fig.4 thd as a function of output power, Fig.5 thd as a function of frequency, Fig.6 output power as a function of supply voltage – Philips TDA7057AQ User Manual
Page 7
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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)
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