NXP Semiconductors SA58670A User Manual Page 10

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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
(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
G
v(cl)
=6dB.
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)
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