TDA8926 Datasheet, PDF (22/32 Pages) NXP Semiconductors – Power stage 2 x 50 W class-D audio amplifier

Philips Semiconductors
Power stage 2 × 50 W class-D audio
amplifier
Preliminary specification
TDA8926
200
handbook, halfpage
Po
(W)
160
MGU857
120
80
(1)
(2)
(3)
40
0
10
15
20
25
30
35
VP (V)
THD + N = 0.5%; f_i = 1 kHz.
(1) 1 × 8 Ω BTL.
(2) 2 × 4 Ω SE.
(3) 2 × 8 Ω SE.
Fig.17 Output power as a function of supply
voltage.
200
handbook, halfpage
Po
(W)
160
MGU858
120
(1)
80
(2)
(3)
40
0
10
15
20
25
30
35
VP (V)
THD + N = 10%; f_i = 1 kHz.
(1) 1 × 8 Ω BTL.
(2) 2 × 4 Ω SE.
(3) 2 × 8 Ω SE.
Fig.18 Output power as a function of supply
voltage.
0
handboo_αk,_ch_salfpage
(dB)
−20
MLD613
−40
−60
(1)
−80
(2)
−100
10
10²
10³
10⁴
10⁵
fi (Hz)
2 × 8 Ω SE; V_P = ±21 V.
(1) P_o = 10 W.
(2) P_o = 1 W.
Fig.19 Channel separation as a function of input
frequency.
0
handboo_αk,_ch_salfpage
(dB)
−20
MLD614
−40
−60
(1)
−80
(2)
−100
10
10²
10³
10⁴
10⁵
fi (Hz)
2 × 4 Ω SE; V_P = ±21 V.
(1) P_o = 10 W.
(2) P_o = 1 W.
Fig.20 Channel separation as a function of input
frequency.
2002 Oct 10
22