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TDA8927 Datasheet, PDF (25/36 Pages) NXP Semiconductors – Power stage 2 x 80 W class-D audio amplifier | |||
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Philips Semiconductors
Power stage 2 Ã 80 W class-D
audio ampliï¬er
Objective speciï¬cation
TDA8927
handbook,2h5alfpage
P
(W)
20
MLD609
15
(1)
(2)
10
(3)
5
010â2
10â1
1
10
102
103
Po (W)
VP = ±25 V; fi = 1 kHz:
(1) 2 à 4 ⦠SE.
(2) 1 à 8 ⦠BTL.
(3) 2 à 8 ⦠SE.
Fig.19 Power dissipation as a function of output
power.
100
handbook, halfpage
η
(3)
(%)
80
(1)
(2)
MLD610
60
40
20
0
0
30
60
90
120
150
Po (W)
VP = ±25 V; fi = 1 kHz:
(1) 2 à 4 ⦠SE.
(2) 1 à 8 ⦠BTL.
(3) 2 à 8 ⦠SE.
Fig.20 Efficiency as a function of output power.
handboo2k,0h0alfpage
Po
(W)
160
120
(1)
80
40
MLD611
(2)
(3)
(4)
0
10
15
20
25
30
35
VP (V)
THD + N = 0.5%; fi = 1 kHz:
(1) 1 à 4 ⦠BTL.
(2) 1 à 8 ⦠BTL.
(3) 2 à 4 ⦠SE.
(4) 2 à 8 ⦠SE.
Fig.21 Output power as a function of supply
voltage.
2001 Dec 11
handboo2k,0h0alfpage
Po
(W)
160
MLD612
(2)
120
(1)
(3)
80
(4)
40
0
10
15
20
25
30
35
VP (V)
THD + N = 10%; fi = 1 kHz:
(1) 1 à 4 ⦠BTL.
(2) 1 à 8 ⦠BTL.
(3) 2 à 4 ⦠SE.
(4) 2 à 8 ⦠SE.
Fig.22 Output power as a function of supply
voltage.
25
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