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TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 33 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
14.10 BTL curves measured in reference design
a. V
P
=12V; R
L
=4Ω b. V
P
=22V; R
L
=8Ω
(1) f
i
= 6 kHz
(2) f
i
= 1 kHz
(3) f
i
= 100 Hz
Fig 26. Total harmonic distortion-plus-noise as a function of output power
001aad782
10
−1
10
−2
10
1
10
2
THD+N
(%)
10
−3
P
o
(W)
10
−2
10
2
1010
−1
1
(1)
(2)
(3)
001aad783
10
−1
10
−2
10
1
10
2
THD+N
(%)
10
−3
P
o
(W)
10
−2
10
2
1010
−1
1
(1)
(2)
(3)
a. V
P
=12V; R
L
=4Ω b. V
P
=22V; R
L
=8Ω
(1) P
o
=10W
(2) P
o
=1W
Fig 27. Total harmonic distortion-plus-noise as a function of frequency
001aae114
10
−1
10
−2
10
1
10
2
THD+N
(%)
10
−3
f
i
(Hz)
10 10
5
10
4
10
2
10
3
(1)
(2)
001aae115
10
−1
10
−2
10
1
10
2
THD+N
(%)
10
−3
f
i
(Hz)
10 10
5
10
4
10
2
10
3
(2)
(1)