TDA8927 Datasheet, PDF (26/36 Pages) NXP Semiconductors – Power stage 2 x 80 W class-D audio amplifier

Philips Semiconductors
Power stage 2 × 80 W class-D
audio amplifier
Objective specification
TDA8927
handboo_αk,_ch_s0alfpage
(dB)
−20
MLD613
−40
−60
(1)
−80
(2)
−100
10
10²
10³
10⁴
10⁵
fi (Hz)
2 × 8 Ω SE; V_P = ±25 V:
(1) P_o = 10 W.
(2) P_o = 1 W.
Fig.23 Channel separation as a function of input
frequency.
handboo_αk,_ch_s0alfpage
(dB)
−20
MLD614
−40
−60
(1)
−80
(2)
−100
10
10²
10³
10⁴
10⁵
fi (Hz)
2 × 4 Ω SE; V_P = ±25 V:
(1) P_o = 10 W.
(2) P_o = 1 W.
Fig.24 Channel separation as a function of input
frequency.
45
handbook, halfpage
G
(dB)
40
MLD615
35
(1)
30
(2)
25
(3)
20
10
10²
10³
V_P = ±25 V; V_i = 100 mV;
R_s = 10 kΩ/C_i = 330 pF:
(1) 1 × 8 Ω BTL.
(2) 2 × 8 Ω SE.
(3) 2 × 4 Ω SE.
10⁴
10⁵
fi (Hz)
Fig.25 Gain as a function of input frequency.
45
handbook, halfpage
G
(dB)
40
35
30
25
MLD616
(1)
(2)
(3)
20
10
10²
10³
10⁴
10⁵
fi (Hz)
V_P = ±25 V; V_i = 100 mV;
R_s = 0 Ω:
(1) 1 × 8 Ω BTL.
(2) 2 × 8 Ω SE.
(3) 2 × 4 Ω SE.
Fig.26 Gain as a function of input frequency.
2001 Dec 11
26