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TDA8922C_15 Datasheet, PDF (28/40 Pages) NXP Semiconductors – 2X75 W class-D power amplifier | |||
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NXP Semiconductors
TDA8922C
2 à 75 W class-D power ampliï¬er
100
Po
(W)
80
60
40
010aaa575
(1)
(2)
(3)
(4)
20
0
12.5
â12.5
17.5
â17.5
22.5
â22.5
27.5
â27.5
Inï¬nite heat sink used.
fi = 1 kHz, fosc = 350 kHz (external oscillator).
(1) THD + N = 10 %, 6 â¦.
(2) THD + N = 10 %, 8 â¦
(3) THD + N = 0.5 %, 6 â¦
(4) THD + N = 0.5 %, 8 â¦.
Fig 21. Output power as a function of supply voltage, SE conï¬guration
32.5 VDD (V)
â32.5 VSS (V)
200
Po
(W)
160
120
80
010aaa576
(1)
(2)
40
0
12.5
15
17.5
20
22.5
25
27.5 VDD (V)
â12.5
â15
â17.5
â20
â22.5
â25
â27.5 VSS (V)
Inï¬nite heat sink used.
fi = 1 kHz, fosc = 350 kHz (external oscillator).
(1) THD + N = 10 %, 8 â¦.
(2) THD + N = 0.5 %, 8 â¦.
Fig 22. Output power as a function of supply voltage, BTL conï¬guration
TDA8922C_1
Product data sheet
Rev. 01 â 7 September 2009
© NXP B.V. 2009. All rights reserved.
28 of 40
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