TDA8933 NXP Semiconductors, TDA8933 Datasheet - Page 39

• Manufacturer Part Number: TDA8933
• Description: Class-D audio amplifier
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA8933_1
Preliminary data sheet
Fig 34. Output power as a function of supply voltage
Fig 36. Output power as a function of time
(1) R
(2) R
(3) R
(4) R
(1) V
(2) V
(W)
(W)
P
P
a.
o
o
40
30
20
10
32
24
16
0
8
0
f
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
= 16
= 16
= 8
= 8
= 25 V
= 31 V
= 16
(2)
(1)
120
BTL; THD = 10 %
BTL; THD = 0.5 %
15
BTL; THD = 10 %
BTL; THD = 0.5 %
BTL; f
(3)
(4)
i
240
= 1 kHz
20
360
25
(1)
45 mm), 35
480
30
010aaa208
010aaa209
time (s)
(2)
V
P
(P)
600
35
Rev. 01 — 15 May 2007
Fig 35. Power dissipation as a function of supply
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(1) R
(2) R
(1) V
(W)
(W)
P
b.
P
o
5.0
4.0
3.0
2.0
1.0
0.0
20
16
12
8
4
0
f
time P
voltage
R
10
i
0
= 1 kHz; power dissipation in junction only; short
L
L
P
L
= 8
= 16
= 17 V
= 8
O
at THD+N = 10 %
(1)
BTL
BTL; f
BTL
150
(1)
18
i
= 1 kHz
300
26
Class-D audio amplifier
450
34
TDA8933
© NXP B.V. 2007. All rights reserved.
(2)
time (s)
010aaa210
010aaa230
V
P
(V)
600
42
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