TDA8950 datasheet(28/39 Pages) PHILIPS

28 / 39 page

TDA8950_2

Product data sheet

Rev. 02 — 11 June 2009

28 of 39

NXP Semiconductors

TDA8950

× 150 W class-D power ampliﬁer

Inﬁnite heat sink used.

fi = 1 kHz, fosc = 345 kHz.

(1) THD + N = 10 %, 4

Ω.

(2) THD + N = 0.5 %, 4

Ω; THD + N = 10 %, 6 Ω.

(3) THD + N = 10 %, 8

Ω; THD + N = 0.5 %, 6 Ω

(4) THD + N = 0.5 %, 8

Ω.

Fig 21. Output power as a function of supply voltage, SE conﬁguration

Inﬁnite heat sink used.

fi = 1 kHz, fosc = 345 kHz.

(1) THD + N = 10 %, 8

Ω.

(2) THD + N = 0.5 %, 8

Ω.

(3) THD + N = 10 %, 16

Ω.

(4) THD + N = 0.5 %, 16

Ω.

Fig 22. Output power as a function of supply voltage, BTL conﬁguration

Vp (V)

12.5

32.5

22.5

17.5

37.5

27.5

001aai707

100

120

140

160

200

180

(W)

(1)

(2)

(3)

(4)

Vp (V)

12.5

32.5

22.5

17.5

37.5

27.5

001aai708

150

250

350

100

200

300

(W)

(1)

(2)

(3)

(4)

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