參數(shù)資料
型號(hào): 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(yè)數(shù): 2/27頁(yè)
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
10
WWW.TI.COM
TYPICAL CHARACTERISTICS
0
20
40
60
80
100
120
140
0
2 k
4 k
6 k
8 k
10 k
12 k
14 k
16 k
18 k
20 k
22 k
24 k
Gain
dBv
f Frequency Hz
FFT AT 1.5-W OUTPUT POWER
vs
FREQUENCY
VDD = 5 V,
f = 1 kHz,
PO = 1.5 W,
RL = 4
Figure 13
Figure 14
80
75
70
65
60
55
50
45
40
20
100
1 k
10 k 20 k
Supply
V
oltage
Rejection
Ratio
dB
f Frequency Hz
SUPPLY VOLTAGE REJECTION RATIO
vs
FREQUENCY
k
SVR
VDD = 5 V,
RL = 4
Figure 15
0.1
0.05
0.005
0.002
20
50
100 200
500 1 k
THD+N
T
otal
Harmonic
Distortion
+
Noise
%
1
2
f Frequency Hz
HEADPHONE
TOTAL HARMONIC DISTORTION + NOISE
vs
FREQUENCY
10
2 k
5 k 10 k 20 k
0.01
0.02
0.2
0.5
5
VDD = 5 V,
RL = 32 ,
AV = 0 dB
PO = 7.5 mW
PO = 50 mW
0.001
PO = 25 mW
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