參數(shù)資料
型號: TPA2000D4DAPR
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: PLASTIC, HTSSOP-32
文件頁數(shù): 27/27頁
文件大?。?/td> 579K
代理商: TPA2000D4DAPR
TPA2000D4
STEREO 2W CLASSD AUDIO POWER AMPLIFIER
WITH STEREO HP AMPLIFIER
SLOS337B DECEMBER 2000 REVISED NOVEMBER 2005
9
WWW.TI.COM
TYPICAL CHARACTERISTICS
Figure 9
0.5
0.1
0.05
0.01
10 m 20 m
50 m 100 m 200 m
1
5
10
500 m
1
2
3
0.2
2
0.02
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
TOTAL HARMONIC DISTORTION + NOISE
vs
OUTPUT POWER
PO Output Power W
VDD = 5 V,
RL = 4 ,
All Gains
f = 20 kHz
f = 1 kHz
f = 20 Hz
Figure 10
Phase
Gain
20
18
16
15
20
50 100 200
500 1 k 2 k
ClassD
Gain
dBV
21
23
f Frequency Hz
CLASS-D GAIN AND PHASE
vs
FREQUENCY
25
5 k 10 k 20 k 40 k
100
80
60
40
20
0
20
40
60
80
100
17
19
22
24
Phase
Degerees
VDD = 5 V,
PO = 1 W,
RL = 4 ,
All Gains
Figure 11
50
80
90
100
20
50
100 200
500 1 k
ClassD
Crosstalk
dB
40
30
f Frequency Hz
CLASS-D CROSSTALK
vs
FREQUENCY
10
2 k
5 k 10 k 20 k
70
60
20
VDD = 5 V,
PO = 1 W
RL = 4 ,
All Gains
L to R
R to L
Figure 12
0
0.1
0.2
0.3
0.4
0.5
0.6
0
0.2
0.4
0.6
0.8
1
1.2
Power
Dissipation
W
POWER DISSIPATION
vs
OUTPUT POWER
PO Output Power W
VDD = 5 V,
RL = 8 Speaker
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