TDA8920C Datasheet, PDF (30/40 Pages) NXP Semiconductors – 2 X110 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 = 325 kHz.
(1) THD = 10 %, 4 Ω.
(2) THD = 0.5 %, 4 Ω; THD = 10 %, 6 Ω.
(3) THD = 10 %, 8 Ω.
(4) THD = 0.5 %, 6 Ω.
(5) THD = 0.5 %, 8 Ω.
Fig 22. Output power as a function of supply voltage, SE configuration
300
P_o
(W)
200
100
001aai860
(1)
(2)
(3)
(4)
TDA8920C_1
Preliminary 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 = 325 kHz.
(1) THD = 10 %, 8 Ω.
(2) THD = 0.5 %, 8 Ω.
(3) THD = 10 %, 16 Ω.
(4) THD = 0.5 %, 16 Ω.
Fig 23. Output power as a function of supply voltage, BTL configuration
Rev. 01 — 29 September 2008
© NXP B.V. 2008. All rights reserved.
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