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TDA8920C_09 Datasheet, PDF (29/39 Pages) NXP Semiconductors – 2 ´ 110 W class-D power amplifier | |||
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NXP Semiconductors
TDA8920C
2 à 110 W class-D power ampliï¬er
40
Gv(cl)
(dB)
30
20
010aaa540
(1)
(2)
(3)
(4)
10
10
102
103
104
105
fi (Hz)
VP = ±30 V, fosc = 350 kHz, Vi = 100 mV, Ci = 330 pF, LLC = 15 µH, CLC = 680 nF.
(1) 1 à 8 ⦠BTL conï¬guration.
(2) 2 à 4 ⦠SE conï¬guration.
(3) 2 à 6 ⦠SE conï¬guration.
(4) 2 à 8 ⦠SE conï¬guration.
Fig 23. Closed-loop voltage gain as a function of frequency
â20
SVRR
(dB)
â40
001aai710
â60
(1)
â80
(2)
â100
â120
(3)
â140
10
102
103
104
105
fripple (Hz)
Ripple on VDD, short on input pins.
VP = ±30 V, RL = 4 â¦, Vripple = 2 V (p-p).
(1) Mute mode.
(2) Operating mode.
(3) Standby mode.
Fig 24. SVRR as a function of ripple frequency, ripple on VDD
TDA8920C_2
Product data sheet
Rev. 02 â 11 June 2009
© NXP B.V. 2009. All rights reserved.
29 of 39
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