tda8933t-n1 NXP Semiconductors, tda8933t-n1 Datasheet - Page 34

• Manufacturer Part Number: tda8933t-n1
• Description: Tda8933 Class-d Audio Amplifier
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA8933_1
Preliminary data sheet
Fig 22. Output power per channel as a function of
Fig 24. Output power as a function of time
(W/channel)
(1) R
(2) R
(3) R
(4) R
(1) V
(2) V
(W)
a.
P
P
o
o
20
15
10
20
16
12
5
0
8
4
0
f
supply voltage
2 layer application board (55 mm
copper, FR4 base material in free air with natural
convection.
R
10
i
0
P
P
= 1 kHz
L
L
L
L
L
= 2
= 2 8
= 2
= 2
= 25 V
= 31 V
= 2
8
4
4
8
(2)
(1)
150
SE; THD = 10 %
SE; THD = 0.5 %
SE; THD = 10 %
SE; THD = 0.5 %
SE; f
(4)
(3)
20
i
= 1 kHz
300
(1)
30
450
(2)
45 mm), 35
V
P
time (s)
010aaa206
010aaa205
(V)
600
40
Rev. 01 — 15 May 2007
Fig 23. Power dissipation as a function of supply
(W/channel)
(1) R
(2) R
(1) V
(W)
b.
P
P
5.0
4.0
3.0
2.0
1.0
0.0
o
10
8
6
4
2
0
f
time P
voltage
R
10
i
0
= 1 kHz; power dissipation in junction only; short
L
L
P
L
= 2
= 2
= 17 V
= 2
O
at THD+N = 10 %
(1)
4
8
4
150
(1)
18
SE
SE
SE; f
i
= 1 kHz
300
26
Class-D audio amplifier
450
34
TDA8933
© NXP B.V. 2007. All rights reserved.
(2)
time (s)
010aaa207
V
010aaa229
P
(V)
600
42
34 of 47