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TDA8922C Datasheet, PDF (23/40 Pages) NXP Semiconductors – 2 X 75 W class-D power amplifier | |||
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NXP Semiconductors
TDA8922C
2 à 75 W class-D power ampliï¬er
13.8 Curves measured in reference design (demonstration board)
10
THD+N
(%)
1
010aaa565
10â1
(1)
(2)
10â2
(3)
10â3
10â2
10â1
1
10
102
103
Po (W)
VDD = 30 V, VSS = â30 V, fosc = 350 kHz (external oscillator), 2 à 6 ⦠SE conï¬guration.
(1) fi = 6 kHz.
(2) fi = 1 kHz.
(3) fi = 100 Hz.
Fig 11. THD + N as a function of output power, SE conï¬guration with 2 à 6 ⦠load
10
THD+N
(%)
1
010aaa566
10â1
(1)
(2)
10â2
(3)
10â3
10â2
10â1
1
10
102
103
Po (W)
VDD = 30 V, VSS = â30 V, fosc = 350 kHz (external oscillator), 2 à 8 ⦠SE conï¬guration.
(1) fi = 6 kHz.
(2) fi = 1 kHz.
(3) fi = 100 Hz.
Fig 12. THD + N as a function of output power, SE conï¬guration with 2 à 8 ⦠load
TDA8922C_1
Product data sheet
Rev. 01 â 7 September 2009
© NXP B.V. 2009. All rights reserved.
23 of 40
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