Fig.13 s/n as function of output power, Fig.14 channel separation as function of frequency, Fig.15 gain as function of frequency – Philips TDA8928J User Manual
Page 18: Fig.16 output power as function of supply voltage
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2004 May 05
18
Philips Semiconductors
Preliminary specification
Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier
TDA8928J
handbook, halfpage
0
100
20
40
60
80
MGX387
10
−
1
10
−
2
Po (W)
S/N
(dB)
1
10
10
2
Fig.13 S/N as function of output power.
2
×
8
Ω
SE; V
P
=
±
12.5 V.
handbook, halfpage
−
100
0
−
80
−
60
−
40
−
20
MGX388
10
2
10
fi (Hz)
α
cs
(dB)
10
3
10
4
10
5
(1)
(2)
Fig.14 Channel separation as function of
frequency.
2
×
8
Ω
SE; V
P
=
±
12.5 V.
(1) P
o
= 1 W.
(2) P
o
= 10 W.
handbook, halfpage
10
35
15
20
25
30
MDB624
10
2
10
fi (Hz)
G
(dB)
10
3
10
4
10
5
Fig.15 Gain as function of frequency.
2
×
8
Ω
SE; V
P
=
±
12.5 V; V
i
= 100 mV.
handbook, halfpage
10
(1)
20
24
4
8
12
16
20
12
Po
(W)
VP (V)
14
16
18
MGX389
(2)
Fig.16 Output power as function of supply voltage.
THD + N = 10 %; f
i
= 1 kHz.
(1) 2
×
8
Ω
SE.
(2) 2
×
16
Ω
SE.
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