English
Language : 

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