tda8932btw-n2 NXP Semiconductors, tda8932btw-n2 Datasheet - Page 31

• Manufacturer Part Number: tda8932btw-n2
• Description: Tda8932b Class-d Audio Amplifier
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA8932B_3
Product data sheet
Fig 19. Output power per channel as a function of
Fig 21. Output power efficiency as a function of output
(W/channel)
(1) R
(2) R
(3) R
(4) R
(1) V
(2) V
(%)
P
po
o
100
32
24
16
80
60
40
20
8
0
0
f
heat sink for continuous time output power
supply voltage
f
power per channel
10
i
i
0
P
P
= 1 kHz (short time P
L
L
L
L
= 1 kHz;
= 2
= 2
= 2
= 2
= 22 V; R
= 30 V; R
14
4 ; THD+N = 10 %
4 ; THD+N = 0.5 %
8 ; THD+N = 10 %
8 ; THD+N = 0.5 %
5
PO
L
L
18
= 2
= 2
=
------------------------ -
2 P
22
4
8
2 P
O
10
); dashed line will require
o
26
+
o
p
(2)
(3)
(4)
(1)
(2)
(1)
30
15
P
o
(W/channel)
001aad780
001aaf886
34
V
P
(V)
38
20
Rev. 03— 21 June 2007
Fig 20. Power dissipation as a function of supply
Fig 22. Power dissipation as a function of output power
(1) R
(2) R
(1) V
(2) V
(W)
(W)
P
P
3.0
2.0
1.0
6
4
2
0
0
10
f
time P
heat sink for continuous time output power
voltage
f
per channel (two channels driven)
10
i
i
= 1 kHz; power dissipation in junction only; short
L
L
= 1 kHz; power dissipation in junction only
P
P
2
= 2
= 2
= 22 V; R
= 30 V; R
o
14
at THD+N = 10 %; dashed line will require
4
8
10
L
L
18
(2)
(1)
1
= 2
= 2
22
4
8
1
26
Class-D audio amplifier
(1)
(2)
© NXP B.V. 21 June 2007. All rights reserved.
TDA8932B
30
10
P
o
(W/channel)
001aad781
001aaf889
34
V
P
(V)
10
38
2
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