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. Gv(cl) =24dB

b. Gv(cl) = 6 dB.

fi=1 kHz.
(1) VDD= 2.5 V.
(2) VDD= 3.6 V.
(3) VDD= 5.0 V.

Fig 3. Total harmonic distortion-plus-noise as a function of output power; RL=8Ω

001aah484
Po (W)
10−510110−1
10−410−2
10−3
10−1
1
10
102
10−2
THD+N
(%)
(1) (2) (3)
001aah485
Po (W)
10−510110−1
10−410−2
10−3
10−1
1
10
102
10−2
THD+N
(%)
(1) (2) (3)