Philips TDA8920B, Лист данных продукта

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TDA8920B_2 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet Rev. 02 — 07 November 2005 24 of 34
Philips Semiconductors
TDA8920B
2
×
100 W class-D power amplifier
V
P
=
±
27 V; 2
×
3
Ω
SE configuration.
(1) P
out
= 10 W.
(2) P
out
= 1 W.
V
P
=
±
27 V; 2
×
4
Ω
SE configuration.
(1) P
out
= 10 W.
(2) P
out
= 1 W.
Fig 18. Channel separation as a function of frequency;
SE configuration with 2
×
3
Ω
load
Fig 19. Channel separation as a function of frequency;
SE configuration with 2
×
4
Ω
load
V
P
=
±
27 V; f = 1 kHz.
(1) 2
×
3
Ω
SE configuration.
(2) 2
×
4
Ω
SE configuration.
(3) 1
×
6
Ω
BTL configuration.
(4) 1
×
8
Ω
BTL configuration.
V
P
=
±
27 V; f = 1 kHz.
(1) 2
×
3
Ω
SE configuration.
(2) 2
×
4
Ω
SE configuration.
(3) 1
×
6
Ω
BTL configuration.
(4) 1
×
8
Ω
BTL configuration.
Fig 20. Power dissipation as a function of total output
power
Fig 21. Efficiency as a function of total output power
001aab233
−
60
−
40
−
80
−
20
0
α
cs
(dB)
−
100
f (Hz)
10 10
5
10
4
10
2
10
3
(1)
(2)
001aab234
−
60
−
40
−
80
−
20
0
α
cs
(dB)
−
100
f (Hz)
10 10
5
10
4
10
2
10
3
(1)
(2)
P
o
(W)
10
−
2
10
3
10
2
10
−
1
10 1
001aab235
16
8
24
32
P
diss
(W)
0
(3)
(1)
(4)
(2)
001aab236
P
o
(W)
0 240 160 80
40
60
20
80
100
η
(%)
0
(1)
(3)
(4)
(2)