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: 22/42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
29 of 42
NXP Semiconductors
TDA8933B
Class D audio amplier
a. VP = 25 V; RL = 2 × 8 SE
b. VP = 17 V; RL = 2 × 4 SE
(1) Po = 7 W
(2) Po = 1 W
Fig 13. Total harmonic distortion-plus-noise as a function of frequency
010aaa505
101
102
10
1
102
THD+N
(%)
103
fi (Hz)
10
105
104
102
103
(1)
(2)
010aaa506
101
102
10
1
102
THD+N
(%)
103
fi (Hz)
10
105
104
102
103
(1)
(2)
Ri = 0 ; Vi = 100 mV (RMS); Cse = 1000 F
(1) RL = 2 × 4 SE at VP = 17 V
(2) RL = 2 × 8 SE at VP = 25 V
Vripple = 500 mV (RMS) referenced to ground;
Shorted input; CHVPREF = 47 F
(1) VP = 17 V; RL = 2 × 4 SE
(2) VP = 25 V; RL = 2 × 8 SE
Fig 14. Gain as a function of frequency
Fig 15. Supply voltage ripple rejection as a function of
frequency
010aaa507
fi (Hz)
10
105
104
102
103
20
30
40
Gv(cl)
(dB)
10
(1)
(2)
010aaa508
40
60
20
0
SVRR
(dB)
80
fi (Hz)
10
105
104
102
103
(1)
(2)
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