參數(shù)資料
型號(hào): TPA2005D1DRBRG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 音頻/視頻放大
英文描述: 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: 3 X 3 MM, GREEN, PLASTIC, VSON-8
文件頁(yè)數(shù): 29/32頁(yè)
文件大?。?/td> 1128K
代理商: TPA2005D1DRBRG4
0
10
20
30
40
50
60
70
80
90
0
0.2
0.4
0.6
0.8
1
1.2
V
=5V,
R =8 ,33 H
DD
L
W
m
V
=2.5V,
R =8 ,33 H
DD
L
W
m
Class-AB,
DD =5V,
RL =8 W
V
PO -OutputPower-W
Ef
ficiency-%
0
0.5
1
1.5
P -OutputPower-W
O
0
10
20
30
40
50
60
70
80
90
Efficiency-%
V
=4.2V,
R =4
,33 H
DD
L
W
m
0
10
20
30
40
50
60
70
80
90
100
0
0.1
0.2
0.3
0.4
0.5
0.6
PO -OutputPower-W
Efficiency-%
VDD =3.6
R
L =32
,33 H
W
m
R
L =16
,33 H
W
m
R
L =8
,33 H
W
m
Class-AB,
RL =8
0
50
100
150
200
250
300
0
0.2
0.4
0.6
0.8
1
1.2
PO - Output Power - W
VDD = 2.5 V,
RL = 8 , 33 H
VDD = 3.6 V,
RL = 8 , 33 H
VDD = 5 V,
RL = 8 , 33 H
Supply
Current
-
mA
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
0.2
0.4
0.6
0.8
1
1.2
-P
owerDissipation-W
P
D
PO -OutputPower-W
Class-AB,V DD =5V,RL =8 W
Class-AB,
VDD =3.6V,
RL =8 W
VDD =3.6V,
RL =8 W
,
33 mH
VDD =5V,
RL =8 W
,
33 mH
V
=4.2V
,
R =4
,33 H
m
DD
L
W
0
50
100
150
200
250
0
0.1
0.2
0.3
0.4
0.5
0.6
RL = 8 , 33 H
VDD = 3.6 V
RL = 32 , 33 H
Supply
Current
-
mA
PO - Output Power - W
2.5
3
3.5
4
4.5
5
VDD - Supply Voltage - V
-Output
Power
-
W
P
O
RL = 8
f = 1 kHz
Gain = 2 V/V
THD+N = 1%
THD+N = 10%
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
3.8
2.5
3
3.5
4
4.5
5
5.5
I (Q)
Quiescent
Current
mA
VDD Supply Voltage V
No Load
RL = 8 , 33 H
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
VDD = 2.5 V
VDD = 3.6 V
VDD = 5 V
Shutdown Voltage - V
-Shutdown
Current
-
I (SD)
A
SLOS369F – JULY 2002 – REVISED JULY 2008............................................................................................................................................................... www.ti.com
EFFICIENCY
vs
OUTPUT POWER
Figure 1.
Figure 2.
Figure 3.
POWER DISSIPATION
SUPPLY CURRENT
vs
OUTPUT POWER
Figure 4.
Figure 5.
Figure 6.
QUIESCENT CURRENT
SHUTDOWN CURRENT
OUTPUT POWER
vs
SUPPLY VOLTAGE
SHUTDOWN VOLTAGE
SUPPLY VOLTAGE
Figure 7.
Figure 8.
Figure 9.
6
Copyright 2002–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2005D1
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