Nxp semiconductors, 1 w/channel stereo class-d audio amplifier – NXP Semiconductors SA58670A User Manual
Page 10
SA58670A_2
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 23 October 2008
10 of 24
NXP Semiconductors
SA58670A
2.1 W/channel stereo class-D audio amplifier
(1) P
o
= 825 mW; V
i
= 908.3 mV (RMS).
(2) P
o
= 550 mW; V
i
= 741.6 mV (RMS).
(3) P
o
= 275 mW; V
i
= 524.4 mV (RMS).
a. R
L
= 4
Ω
(1) P
o
= 560 mW; V
i
= 1.058 V (RMS).
(2) P
o
= 375 mW; V
i
= 866 mV (RMS).
(3) P
o
= 190 mW; V
i
= 616.4 mV (RMS).
b. R
L
= 8
Ω
G
v(cl)
= 6 dB.
Fig 6.
Total harmonic distortion-plus-noise as a function of frequency; V
DD
= 3.6 V
001aah490
f (Hz)
10
10
5
10
4
10
2
10
3
10
−
1
10
−
2
1
10
−
3
THD+N
(%)
(1)
(2)
(3)
001aah491
f (Hz)
10
10
5
10
4
10
2
10
3
10
−
1
10
−
2
1
10
−
3
THD+N
(%)
(1)
(2)
(3)