Philips TDA8950 - Page 27

TDA8950_2 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 02 — 11 June 2009 27 of 39
NXP Semiconductors
TDA8950
2 × 150 W class-D power amplifier
V
P
= ±35 V, f
i
= 1 kHz; f
osc
= 345 kHz.
(1) 2 × 4 Ω SE configuration.
(2) 2 × 6 Ω SE configuration.
(3) 2 × 8 Ω SE configuration.
Fig 19. Power dissipation as a function of output power per channel, SE configuration
V
P
= ±35 V, f
i
= 1 kHz, f
osc
= 345 kHz.
(1) 2 × 8 Ω SE configuration.
(2) 2 × 6 Ω SE configuration.
(3) 2 × 4 Ω SE configuration.
Fig 20. Efficiency as a function of output power per channel, SE configuration
P
o
(W)
0 120804020 10060
001aai705
20
10
30
40
P
(W)
0
25
15
35
5
(1)
(2)
(3)
P
o
(W)
0 120804020 10060
001aai706
40
20
100
η
(%)
0
60
80
(1)
(2)
(3)