TDA8922C Datasheet, PDF (28/40 Pages) NXP Semiconductors – 2 X 75 W class-D power amplifier

NXP Semiconductors
TDA8922C
2 × 75 W class-D power amplifier
100
P_o
(W)
80
60
40
010aaa575
(1)
(2)
(3)
(4)
20
0
12.5
−12.5
17.5
−17.5
22.5
−22.5
27.5
−27.5
Infinite heat sink used.
f_i = 1 kHz, f_osc = 350 kHz (external oscillator).
(1) THD + N = 10 %, 6 Ω.
(2) THD + N = 10 %, 8 Ω
(3) 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
32.5 VDD (V)
−32.5 VSS (V)
200
P_o
(W)
160
120
80
010aaa576
(1)
(2)
40
0
12.5
15
17.5
20
22.5
25
27.5 VDD (V)
−12.5
−15
−17.5
−20
−22.5
−25
−27.5 VSS (V)
Infinite heat sink used.
f_i = 1 kHz, f_osc = 350 kHz (external oscillator).
(1) THD + N = 10 %, 8 Ω.
(2) THD + N = 0.5 %, 8 Ω.
Fig 22. Output power as a function of supply voltage, BTL configuration
TDA8922C_1
Product data sheet
Rev. 01 — 7 September 2009
© NXP B.V. 2009. All rights reserved.
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