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TDA8933 Datasheet, PDF (32/47 Pages) NXP Semiconductors – Class-D audio amplifier
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NXP Semiconductors
TDA8933
Class-D audio amplifier
102
THD+N
(%)
10
010aaa160
1
(1)
(2)
10−1
10−2
10−3
10
102
103
104
105
fi (Hz)
(1) Po = 5 W
(2) Po = 1 W
a. VP = 17 V; RL = 2 × 4 Ω
Fig 15. Total harmonic distortion-plus-noise as a function of frequency
35
Gv
(dB)
30
(2)
25
(1)
20
010aaa146
15
10
10
102
103
104
105
fi (Hz)
Po = 1 W (RMS)
(1) VP = 17 V; RL = 2 × 4 Ω; CSE = 1000 µF
(2) VP = 25 V; RL = 2 × 8 Ω; CSE = 1000 µF
Fig 16. Gain as a function of frequency
0
SVRR
(dB)
−20
010aaa155
−40
(2)
−60 (1)
−80
10
102
103
104
105
fi (Hz)
Vripple = 500 mV (RMS) referenced to ground;
Ri = 0 Ω (shorted input)
(1) VP = 17 V; RL = 2 × 4 Ω
(2) VP = 25 V; RL = 2 × 8 Ω
Fig 17. Supply voltage ripple rejection as a function of
frequency
TDA8933_1
Preliminary data sheet
Rev. 01 — 15 May 2007
© NXP B.V. 2007. All rights reserved.
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