NXP Semiconductors TDA8932B Vi= 100 mV (RMS); Ri=0 (1) VP= 12 V; RL=4 (2) VP= 22 V; RL=8, Vripple = 500 mV (RMS) referenced to ground; Ri=0 (shorted input), (2) VP=12V; R, Ri=0; 20 kHz brick-wall lter AES17 (1) RL=4; VP=12V (2) RL=8; VP=22V, fi= 1 kHz (short time PO); dashed line will require, (1) RL=4; THD+N = 10 % (2) RL=4; THD+N = 0.5 % (3) RL=8; THD+N = 10 % (4) RL=8; THD+N = 0.5 %

TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 34 of 48
NXP Semiconductors TDA8932B
Class-D audio amplifier
Vi= 100 mV (RMS); Ri=0Ω
(1) VP= 12 V; RL=4Ω
(2) VP= 22 V; RL=8Ω
Vripple = 500 mV (RMS) referenced to ground;
Ri=0Ω (shorted input)
(1) VP=22V; R
L=8Ω
(2) VP=12V; R
L=4Ω
Fig 28. Gain as a function of frequency Fig 29. Supply voltage ripple rejection as a function of
frequency
001aae116
20
30
40
Gv
(dB)
10
fi (Hz)
10 105
104 102103
(1)(2)
001aae117
−60
−40
−80
−20
0
SVRR
(dB)
−100
fi (Hz)
10 105
104 102103
(1)
(2)
Ri=0Ω; 20 kHz brick-wall filter AES17
(1) RL=4Ω; VP=12V
(2) RL=8Ω; VP=22V
fi= 1 kHz (short time PO); dashed line will require
heat sink for continuous time output power
(1) RL=4Ω; THD+N = 10 %
(2) RL=4Ω; THD+N = 0.5 %
(3) RL=8Ω; THD+N = 10 %
(4) RL=8Ω; THD+N = 0.5 %
Fig 30. Signal-to-noise ratio as a function of output
power Fig 31. Output power as a function of supply voltage
001aae118
Po (W)
10−2102
1010−11
40
80
120
S/N
(dB)
0
(2)
(1)
001aaf893
VP (V)
10 34261814 3022
40
50
30
20
10
60
70
Po
(W)
0
(2)
(1)
(3)
(4)