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: 25/42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
31 of 42
NXP Semiconductors
TDA8933B
Class D audio amplier
fi = 1 kHz; Short time Po
(1) RL = 2 × 8 SE at THD = 10 %
(2) RL = 2 × 8 SE at THD = 0.5 %
(3) RL = 2 × 4 SE at THD = 10 %
(4) RL = 2 × 4 SE at THD = 0.5 %
fi = 1 kHz; Po at THD+N = 10 %;
Power dissipation in junction only
(1) RL = 2 × 4 SE
(2) RL = 2 × 8 SE
Fig 20. Maximum output power per channel as a
function of supply voltage
Fig 21. Power dissipation as a function of supply
voltage
VP (V)
10
36
28 30 32 34
12 14
18
16
22
20
24 26
010aaa513
20
10
30
0
Po
(W/channel)
(1)
(3)
(4)
(2)
VP (V)
10
36
28 30 32 34
12 14
18
16
22
20
24 26
010aaa514
2.0
3.0
1.0
4.0
P
(W)
0.0
(1)
(2)
VENGAGE > 2 V; fi = 1 kHz; Vi = 100 mV (RMS)
VPOWERUP = 2 V; fi = 1 kHz; Vi = 100 mV (RMS)
Fig 22. Output voltage as a function of voltage on pin
POWERUP
Fig 23. Output voltage as a function of voltage on pin
ENGAGE
010aaa515
VPOWERUP (V)
0
0.5
1.5
2.5
3
2
1
2
1
3
4
Vo
(V)
0
Sleep
Operating
010aaa516
VENGAGE (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
2
1
3
4
Vo
(V)
0
Operating
Mute
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