9 se curves measured in reference design, Tda8932b, Nxp semiconductors – NXP Semiconductors TDA8932B User Manual
Page 29: Class-d audio amplifier
TDA8932B_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
29 of 48
NXP Semiconductors
TDA8932B
Class-D audio amplifier
14.9 SE curves measured in reference design
a. V
P
= 22 V; R
L
= 2
×
4
Ω
b. V
P
= 30 V; R
L
= 2
×
8
Ω
(1) f
i
= 6 kHz
(2) f
i
= 100 Hz
(3) f
i
= 1 kHz
Fig 13. Total harmonic distortion-plus-noise as a function of output power per channel
001aad772
10
−
1
10
−
2
10
1
10
2
THD+N
(%)
10
−
3
P
o
(W/channel)
10
−
2
10
2
10
10
−
1
1
(1)
(2)
(3)
001aad773
10
−
1
10
−
2
10
1
10
2
THD+N
(%)
10
−
3
P
o
(W/channel)
10
−
2
10
2
10
10
−
1
1
(1)
(2)
(3)
a. V
P
= 22 V; R
L
= 2
×
4
Ω
b. V
P
= 30 V; R
L
= 2
×
8
Ω
(1) P
o
= 10 W
(2) P
o
= 1 W
Fig 14. Total harmonic distortion-plus-noise as a function of frequency
001aad774
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)
001aad775
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)