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參數資料
| 型號： | LM2005T-S |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | LM2005 20 Watt Automotive Power Amplifier |
| 中文描述： | 12 W, 2 CHANNEL, AUDIO AMPLIFIER, PSFM11 |
| 封裝： | POWER, PLASTIC, TO-220, 11 PIN |
| 文件頁數： | 2/8頁 |
| 文件大小： | 205K |
| 代理商： | LM2005T-S |
LM2005T-M and LM2005T-S
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Operating Supply Voltage
18V
DC Supply Voltage (Note 1)
28V
Peak Supply Voltage (50 ms)
40V
Output Current
Repetitive (Note 2)
Non-Repetitive
3.5A
4.5A
Power Dissipation
30W
Operating Temperature
b
40
§
C to
a
85
§
C
b
60
§
C to
a
150
§
C
Storage Temperature
Lead Temp. (Soldering, 10 seconds)
260
§
C
LM2005T-M
Electrical Characteristics
Refer to the
bridge
application circuit,Figure 1, T
amb
e
25
§
C, A
V
e
50 dB,
R
th (heatsink)
e
4
§
C/W, unless otherwise specified
Parameter
Test Conditions
Min
Typ
Max
Units
Supply Voltage
8
18
V
Output Offset Voltage (Note 3)
(between Pin 8 and 10)
V
S
e
14.4V
V
S
e
13.2V
g
20
g
150
g
150
mV
mV
Total Quiescent Drain Current
Includes Current in Feedback Resistors
V
S
e
14.4V
V
S
e
13.2V
R
L
e
4
X
R
L
e
3.2
X
75
70
150
160
mA
mA
Output Power
d
e
10%
V
S
e
14.4V
f
e
1 kHz
R
L
e
4
X
R
L
e
3.2
X
R
L
e
3.2
X
18
20
17
20
22
19
W
W
W
V
S
e
13.2V
THD
f
e
1 kHz
V
S
e
14.4V
P
O
e
50 mW to 15W
V
S
e
13.2V
P
O
e
50 mW to 13W
R
L
e
4
X
1
%
R
L
e
3.2
X
1
%
Input Sensitivity
f
e
1 kHz
P
O
e
2W
P
O
e
2W
R
L
e
4
X
R
L
e
3.2
X
9
8
mV
mV
Input Resistance
f
e
1 kHz
70
k
X
Low Frequency Roll Off (
b
3 dB)
R
L
e
3.2
X
40
Hz
High Frequency Roll Off (
b
3 dB)
R
L
e
3.2
X
20
kHz
Closed Loop Voltage Gain
f
e
1 kHz
45
50
dB
Total Input Noise Voltage
R
g
e
10 k
X
(Note 4)
3
10
m
V
Supply Voltage Rejection
R
g
e
10 k
X
C
4
e
10
m
F
f
ripple
e
100 Hz
V
ripple
e
0.5V
45
55
dB
Efficiency
V
S
e
14.4V
P
O
e
20W
P
O
e
22W
V
S
e
13.2V
P
O
e
19W
f
e
1 kHz
R
L
e
4
X
R
L
e
3.2
X
f
e
1 kHz
R
L
e
3.2
X
60
60
%
%
58
%
Output Voltage with One Side
of the Speaker Shorted to Ground
V
S
e
14.4V
V
S
e
13.2V
R
L
e
4
X
R
L
e
3.2V
2
V
Note 1:
Internal voltage limit. Shuts down above 20V.
Note 2:
Internal current limit.
Note 3:
For LM2005T-M only.
Note 4:
Bandwidth filter: 22 Hz to 22 kHz.
2
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