SA58670A_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 23 October 2008 11 of 24
NXP Semiconductors SA58670A
2.1 W/channel stereo class-D audio amplifier
(1) Po = 1.65W; Vi = 1.285 V (RMS).
(2) Po = 1.1W; Vi = 1.05 V (RMS).
(3) Po = 550mW; Vi = 741.6 mV (RMS).
a. RL=4Ω
(1) Po = 1.16W; Vi = 1.523 V (RMS).
(2) Po = 775mW; Vi = 1.245 V (RMS).
(3) Po = 380mW; Vi = 871.8 mV (RMS).
b. RL=8Ω
Gv(cl)=6dB.
Fig 7. Total harmonic distortion-plus-noise as a function of frequency; VDD= 5.0 V001aah492
f (Hz)
10 105
104
102103
10−1
10−2
1
10−3
THD+N
(%)
(1)
(2)
(3)
001aah493
f (Hz)
10 105
104
102103
10−2
10−1
1
10
10−3
THD+N
(%) (1)
(2)
(3)