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TDA8920C Datasheet, PDF (31/40 Pages) NXP Semiconductors – 2 X110 W class-D power amplifier | |||
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NXP Semiconductors
TDA8920C
2 à 110 W class-D power ampliï¬er
45
Gv(cl)
(dB)
40
35
30
25
001aai709
(1)
(2)
(3)
(4)
20
10
102
103
104
105
fi (Hz)
VP = ±30 V, fosc = 350 kHz, Vi = 100 mV, Rs = 0 â¦, Ci = 330 pF.
(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 24. Closed-loop voltage gain as a function of frequency, Rs = 0 â¦, Ci = 330 pF
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, fosc = 350 kHz, RL = 4 â¦, Vripple = 2 V (p-p).
(1) OUT2, Mute mode.
(2) OUT2, Operating mode.
(3) OUT2, Standby mode.
Fig 25. SVRR as a function of ripple frequency, ripple on VDD
TDA8920C_1
Preliminary data sheet
Rev. 01 â 29 September 2008
© NXP B.V. 2008. All rights reserved.
31 of 40
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