參數(shù)資料
型號: TPA2000D4DAPRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO32
封裝: GREEN, PLASTIC, HTSSOP-32
文件頁數(shù): 24/26頁
文件大?。?/td> 505K
代理商: TPA2000D4DAPRG4
TPA2000D4
STEREO 2W CLASSD AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337B DECEMBER 2000 REVISED NOVEMBER 2005
7
WWW.TI.COM
TYPICAL CHARACTERISTICS
Figure 2
0
10
20
30
40
50
60
70
80
90
0
0.2
0.4
0.6
0.8
1
1.2
No Filter
Ferrite Bead Filter
LC Filter
RL = 8 , Multimedia Speaker
VDD = 5 V
Efficiency
%
EFFICIENCY
vs
OUTPUT POWER
PO Output Power W
Class-AB
Figure 3
0
10
20
30
40
50
60
70
80
0
0.5
1
1.5
2
Ferrite Bead Filter
Notebook Speaker
ClassAB
Efficiency
%
EFFICIENCY
vs
OUTPUT POWER
PO Output Power W
LC Filter
RL = 3 , Notebook PC Speaker
VDD = 5 V
140
+0
120
100
80
60
40
20
0
24k
2k
4k
6k
8k
10k
12k
14k
16k
18k
20k
22k
Output
Power
dB
f Frequency Hz
FFT AT 1.5-W OUTPUT POWER
vs
FREQUENCY
VDD = 5 V,
fIN = fO = 1 kHz,
PO = 1.5 W,
Bandwidth = 20 Hz to 22 kHz,
16386 Frequency Bins
Figure 4
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