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TDA8932B Datasheet(PDF) 30 Page - NXP Semiconductors

Part No. TDA8932B
Description  Class-D audio amplifier
Download  48 Pages
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Maker  NXP [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA8932B Datasheet(HTML) 30 Page - NXP Semiconductors

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TDA8932B_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
30 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
Vi = 100 mV (RMS); Ri =0 Ω; Cse = 1000 µF
(1) VP =30V; RL =2 × 8 Ω
(2) VP =22V; RL =2 × 4 Ω
Vripple = 500 mV (RMS) referenced to ground; Ri =0 Ω
(shorted input)
(1) VP =30V; RL =2 × 8 Ω
(2) VP =22V; RL =2 × 4 Ω
Fig 15. Gain as a function of frequency
Fig 16. Supply voltage ripple rejection as a function of
frequency
001aad776
20
30
40
Gv
(dB)
10
fi (Hz)
10
105
104
102
103
(1)
(2)
001aad777
−60
−40
−80
−20
0
SVRR
(dB)
−100
fi (Hz)
10
105
104
102
103
(1)
(2)
Ri =0 Ω; 20 kHz brick-wall filter AES17
(1) VP =22V; RL =2 × 4 Ω
(2) VP =30V; RL =2 × 8 Ω
Po = 1 W; CHVPREF =47 µF
(1) VP =22V; RL =2 × 4 Ω
(2) VP =30V; RL =2 × 8 Ω
Fig 17. Signal-to-noise ratio as a function of output
power per channel
Fig 18. Channel separation as a function of frequency
001aad778
Po (W/channel)
10−2
102
10
10−1
1
40
80
120
S/N
(dB)
0
(2)
(1)
001aad779
−60
−40
−80
−20
0
αcs
(dB)
−100
fi (Hz)
10
105
104
102
103
(1)
(2)


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