TDA8920C_09 Datasheet, PDF (27/39 Pages) NXP Semiconductors – 2 ´ 110 W class-D power amplifier

NXP Semiconductors
TDA8920C
2 × 110 W class-D power amplifier
P ⁴⁰
(W)
35
010aaa538
30
25
(1)
20
(2)
15
10
(3)
5
0
0
20
40
60
80
100
120
P_o (W)
V_P = ±30 V, f_i = 1 kHz; f_osc = 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
100
η
(%)
80
(1)
(2)
010aaa539
(3)
60
40
20
0
0
20
40
60
80
100
120
P_o (W)
V_P = ±30 V, f_i = 1 kHz, f_osc = 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
Product data sheet
Rev. 02 — 11 June 2009
© NXP B.V. 2009. All rights reserved.
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