SA58670A_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 23 October 2008 7 of 24
NXP Semiconductors
SA58670A
2.1 W/channel stereo class-D audio amplifier
10. Typical performance curves
a. G
v(cl)
=24dB
b. G
v(cl)
= 6 dB.
f
i
= 1 kHz.
(1) V
DD
= 2.5 V.
(2) V
DD
= 3.6 V.
(3) V
DD
= 5.0 V.
Fig 3. Total harmonic distortion-plus-noise as a function of output power; R
L
=8Ω
001aah484
P
o
(W)
10
−5
10110
−1
10
−4
10
−2
10
−3
10
−1
1
10
10
2
10
−2
THD+N
(%)
(1)
(2) (3)
001aah485
P
o
(W)
10
−5
10110
−1
10
−4
10
−2
10
−3
10
−1
1
10
10
2
10
−2
THD+N
(%)
(1)
(2) (3)
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