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TDA8950_1 © NXP B.V. 2008. All rights reserved.
Preliminary data sheet Rev. 01 — 9 September 2008 24 of 39
NXP Semiconductors
TDA8950
2 × 150 W class-D power amplifier
13.11 Curves measured in reference design
V
P
= ±35 V, 2 × 4 Ω SE configuration.
(1) OUT2, f
i
= 6 kHz
(2) OUT2, f
i
= 1 kHz
(3) OUT2, f
i
= 100 Hz
Fig 12. THD as a function of output power, SE configuration with 2 × 4 Ω load
V
P
= ±35 V, 2 × 6 Ω SE configuration.
(1) OUT2, f
i
= 6 kHz
(2) OUT2, f
i
= 1 kHz
(3) OUT2, f
i
= 100 Hz
Fig 13. THD as a function of output power, SE configuration with 2 × 6 Ω load
001aai422
10
−1
10
−2
1
10
THD
(%)
10
−3
P
o
(W)
10
−2
10
3
10
2
10
−1
110
(2)
(1)
(3)
001aai700
10
−1
10
−2
1
10
THD
(%)
10
−3
P
o
(W)
10
−2
10
3
10
2
10
−1
110
(1)
(2)
(3)