参数资料
型号: TDA8933BTW
厂商: NXP SEMICONDUCTORS
元件分类: 音频/视频放大
英文描述: Class D Audio Amplifier
中文描述: 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32
封装: 6.10 MM, 0.65 MM PITCH, PLASTIC, SOT-249-1, HTSSOP-32
文件页数: 27/42页
文件大小: 245K
代理商: TDA8933BTW
TDA8933B_1
NXP B.V. 2008. All rights reserved.
Preliminary data sheet
Rev. 01 — 23 October 2008
33 of 42
NXP Semiconductors
TDA8933B
Class D audio amplier
fi = 1 kHz
(1) 8
BTL at 17 V
(2) 16
BTL at 25 V
Vi = 100 mV (RMS)
(1) RL = 8 BTL at VP = 17 V
(2) RL = 16 BTL at VP = 25 V
Fig 26. Output power efciency as a function of
output power
Fig 27. Gain as a function of frequency
Po (W)
025
20
10
15
5
010aaa521
40
60
20
80
100
ηpo
(%)
0
(1)
(2)
010aaa522
fi (Hz)
10
105
104
102
103
25
35
45
Gv(cl)
(dB)
15
(1)
(2)
fi = 1 kHz; Power dissipation in junction only
(1) 8
BTL at 17 V
(2) 16
BTL at 25 V
fi = 1 kHz; Po at THD+N = 10 %;
Power dissipation in junction only
(1) RL = 8 BTL
(2) RL = 16 BTL
Fig 28. Power dissipation as a function of output
power
Fig 29. Power dissipation as a function of supply
voltage
010aaa523
1
2
3
P
(W)
0
Po (W)
102
102
10
101
1
(1)
(2)
VP (V)
10
36
28 30 32 34
12 14
18
16
22
20
24 26
010aaa524
2
3
1
4
5
P
(W)
0
(1)
(2)
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