NXP Semiconductors TDA8932B 14.9 SE curves measured in reference design

TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.
Product data sheet Rev. 03— 21 June 2007 29 of 48
NXP Semiconductors TDA8932B
Class-D audio amplifier
14.9 SE curves measured in reference design
a. VP=22V; R
L=2×4Ωb. VP=30V; R L=2×8Ω
(1) fi= 6 kHz
(2) fi= 100 Hz
(3) fi= 1 kHz
Fig 13. Total harmonic distortion-plus-noise as a function of output power per channel
001aad772
10−1
10−2
10
1
102
THD+N
(%)
10−3
Po (W/channel)
10−2102
1010−11
(1)
(2)
(3)
001aad773
10−1
10−2
10
1
102
THD+N
(%)
10−3
Po (W/channel)
10−2102
1010−11
(1)
(2)
(3)
a. VP=22V; R
L=2×4Ωb. VP=30V; R L=2×8Ω
(1) Po=10W
(2) Po=1W
Fig 14. Total harmonic distortion-plus-noise as a function of frequency
001aad774
10−1
10−2
10
1
102
THD+N
(%)
10−3
fi (Hz)
10 105
104 102103
(1)
(2)
001aad775
10−1
10−2
10
1
102
THD+N
(%)
10−3
fi (Hz)
10 105
104 102103
(1)
(2)