TDA8920B NXP Semiconductors, TDA8920B Datasheet - Page 24

• Manufacturer Part Number: TDA8920B
• Description: The TDA8920B is a high efficiency class-D audio power amplifier with very lowdissipation
• Manufacturer: NXP Semiconductors

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