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TDA8950_1 © NXP B.V. 2008. All rights reserved.
Preliminary data sheet Rev. 01 — 9 September 2008 29 of 39
NXP Semiconductors
TDA8950
2 × 150 W class-D power amplifier
f
i
= 1 kHz, f
osc
= 325 kHz
Note: infinite heat sink used.
(1) THD = 10 %, 4 Ω
(2) THD = 0.5 %, 4 Ω; THD = 10 %, 6 Ω
(3) THD = 0.5 %, 6 Ω; THD = 10 %, 8 Ω
(4) THD = 0.5 %, 8 Ω
Fig 22. Output power as a function of supply voltage, SE configuration
f
i
= 1 kHz, f
osc
= 325 kHz
Note: infinite heat sink used.
(1) THD = 10 %, 8 Ω
(2) THD = 0.5 %, 8 Ω
(3) THD = 10 %, 16 Ω
(4) THD = 0.5 %, 16 Ω
Fig 23. Output power as function of supply voltage, BTL configuration
V
p
(V)
12.5 4032.53022.5 2515 17.5 20 37.53527.5
001aai707
60
20
100
120
140
160
200
40
80
180
P
o
(W)
0
(1)
(2)
(3)
(4)
V
p
(V)
12.5 4032.53022.5 2515 17.5 20 37.53527.5
001aai708
150
50
250
350
100
200
300
P
o
(W)
0
(1)
(2)
(3)
(4)