TDA8920C_15 Datasheet, PDF (28/39 Pages) NXP Semiconductors – 2 X 110 W class-D power amplifier

NXP Semiconductors
TDA8920C
2 × 110 W class-D power amplifier
140
P_o
(W)
120
100
80
001aai859
(1)
(2)
60
(3)
(4)
40
20
0
12.5
17.5
22.5
27.5
32.5
V_P (V)
Infinite heat sink used.
f_i = 1 kHz, f_osc = 350 kHz.
(1) THD + N = 10 %, 4 Ω.
(2) THD + N = 0.5 %, 4 Ω; THD + N = 10 %, 6 Ω.
(3) THD + N = 10 %, 8 Ω; THD + N = 0.5 %, 6 Ω
(4) THD + N = 0.5 %, 8 Ω.
Fig 21. Output power as a function of supply voltage, SE configuration
300
P_o
(W)
200
100
001aai860
(1)
(2)
(3)
(4)
TDA8920C_2
Product data sheet
0
12.5
17.5
22.5
27.5
32.5
V_P (V)
Infinite heat sink used.
f_i = 1 kHz, f_osc = 350 kHz.
(1) THD + N = 10 %, 8 Ω.
(2) THD + N = 0.5 %, 8 Ω.
(3) THD + N = 10 %, 16 Ω.
(4) THD + N = 0.5 %, 16 Ω.
Fig 22. Output power as a function of supply voltage, BTL configuration
Rev. 02 — 11 June 2009
© NXP B.V. 2009. All rights reserved.
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