TDA8950_2
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 11 June 2009
28 of 39
NXP Semiconductors
TDA8950
2
×
150 W class-D power amplifier
Infinite heat sink used.
f
i
= 1 kHz, f
osc
= 345 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
Infinite heat sink used.
f
i
= 1 kHz, f
osc
= 345 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
V
p
(V)
12.5
40
32.5
30
22.5
25
15
17.5
20
37.5
35
27.5
001aai707
60
20
100
120
140
160
200
40
80
180
P
o
(W)
0
(1)
(2)
(3)
(4)
V
p
(V)
12.5
40
32.5
30
22.5
25
15
17.5
20
37.5
35
27.5
001aai708
150
50
250
350
100
200
300
P
o
(W)
0
(1)
(2)
(3)
(4)
