TDA8920C
NXP Semiconductors
2 × 110 W class-D power amplifier
010aaa538
40
35
30
25
20
15
10
5
P
(W)
(1)
(2)
(3)
0
0
20
40
60
80
100
120
P
(W)
o
VP = ±30 V, fi = 1 kHz; fosc = 350 kHz
(1) 2 × 4 Ω SE configuration.
(2) 2 × 6 Ω SE configuration.
(3) 2 × 8 Ω SE configuration.
Fig 19. Power dissipation as a function of output power per channel, SE configuration
010aaa539
100
(1)
(2)
η
(%)
(3)
80
60
40
20
0
0
20
40
60
80
100
120
P
(W)
o
VP = ±30 V, fi = 1 kHz, fosc = 350 kHz
(1) 2 × 8 Ω SE configuration.
(2) 2 × 6 Ω SE configuration.
(3) 2 × 4 Ω SE configuration.
Fig 20. Efficiency as a function of output power per channel, SE configuration
TDA8920C_2
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 11 June 2009
27 of 39
NXP [ NXP ]
