Philips Semiconductors
Preliminary specification
Power stage 2 × 50 W class-D audio
amplifier
TDA8926
15.6 Curves measured in reference design
MLD628
MLD627
2
2
10
10
handbook, halfpage
THD+N
handbook, halfpage
THD+N
(%)
(%)
10
1
10
1
(1)
(1)
−1
−1
10
10
(2)
(2)
−2
−2
10
10
(3)
−3
10
−3
10
10
10
2
3
4
5
−2
−1
2
3
10
10
10
10
10
1
10
10
10
f (Hz)
i
P
(W)
o
2 × 8 Ω SE; VP = ±25 V.
(1) 10 kHz.
2 × 8 Ω SE; VP = ±25 V.
(1) Po = 10 W.
(2) 1 kHz.
(2)
Po = 1 W.
(3) 100 Hz.
Fig.9 Total harmonic distortion plus noise as a
function of output power.
Fig.10 Total harmonic distortion plus noise as a
function of input frequency.
MGU859
MLD630
2
2
10
10
handbook, halfpage
THD+N
handbook, halfpage
THD+N
(%)
(%)
10
10
1
1
(1)
(1)
−1
−1
10
10
(2)
(3)
(2)
−2
−2
10
10
−3
10
−3
10
10
2
3
4
5
−2
−1
2
3
10
10
10
10
10
10
1
10
10
10
f (Hz)
P
(W)
i
o
2 × 4 Ω SE; VP = ±21 V.
(1) 10 kHz.
2 × 4 Ω SE; VP = ±21 V.
(1) Po = 10 W.
(2) 1 kHz.
(3) 100 Hz.
(2) Po = 1 W.
Fig.11 Total harmonic distortion plus noise as a
function of output power.
Fig.12 Total harmonic distortion plus as a function
of input frequency.
2002 Oct 10
20