SA58670A_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 23 October 2008 9 of 24
NXP Semiconductors SA58670A
2.1 W/channel stereo class-D audio amplifier
(1) Po = 350mW; Vi = 590 mV (RMS).
(2) Po = 240mW; Vi = 490 mV (RMS).
(3) Po = 120mW; Vi = 346 mV (RMS).
a. RL=4Ω
(1) Po = 260mW; Vi = 721.1 mV (RMS).
(2) Po = 180mW; Vi = 600 mV (RMS).
(3) Po = 90mW; Vi = 424.3 mV (RMS).
b. RL=8Ω
Gv(cl)=6dB.
Fig 5. Total harmonic distortion-plus-noise as a function of frequency; VDD= 2.5 V001aah488
f (Hz)
10 105
104
102103
10−1
10−2
1
10−3
THD+N
(%)
(1)
(2)
(3)
001aah489
f (Hz)
10 105
104
102103
10−1
10−2
1
10−3
THD+N
(%) (1)
(2)
(3)