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) Po = 825mW; Vi = 908.3 mV (RMS).
(2) Po = 550mW; Vi = 741.6 mV (RMS).
(3) Po = 275mW; Vi = 524.4 mV (RMS).
a. RL=4Ω
(1) Po = 560mW; Vi = 1.058 V (RMS).
(2) Po = 375mW; Vi = 866 mV (RMS).
(3) Po = 190mW; Vi = 616.4 mV (RMS).
b. RL=8Ω
Gv(cl)=6dB.
Fig 6. Total harmonic distortion-plus-noise as a function of frequency; VDD= 3.6 V001aah490
f (Hz)
10 105
104
102103
10−1
10−2
1
10−3
THD+N
(%) (1)
(2)
(3)
001aah491
f (Hz)
10 105
104
102103
10−1
10−2
1
10−3
THD+N
(%) (1)
(2)
(3)