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參數(shù)資料
| 型號(hào)： | LM381 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM381/LM381A Low Noise Dual Preamplifier |
| 中文描述： | LM381/LM381A雙低噪聲放大器 |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大小： | 130K |
| 代理商： | LM381 |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Supply Voltage
a
40V
1.56 W
Power Dissipation (Note 1)
Operating Temperature Range
0
§
C to
a
70
§
C
b
65
§
C to
a
150
§
C
Storage Temperature Range
Lead Temperature (Soldering, 10 sec.)
260
§
C
Electrical Characteristics
T
A
e
25
§
C, V
CC
e
14V, unless otherwise stated.
Parameter
Conditions
Min
Typ
Max
Units
Voltage Gain
Open Loop (Differential Input), f
e
100 Hz
160,000
V/V
Open Loop (Single Ended), f
e
100 Hz
320,000
V/V
Supply Current
V
CC
9V to 40V, R
L
e
%
10
mA
Input Resistance
(Positive Input)
(Negative Input)
100
k
X
200
k
X
Input Current
(Negative Input)
0.5
m
A
Output Resistance
Open Loop
150
X
Output Current
Source
8
mA
Sink
2
mA
Output Voltage Swing
Peak-to-Peak
V
CC
b
2
V
Unity Gain Bandwidth
15
MHz
Power Bandwidth
20 V
PP
(V
CC
e
24V)
75
kHz
Maximum Input Voltage
Linear Operation
300
mVrms
Supply Rejection Ratio
f
e
1 kHz
120
dB
Channel Separation
f
e
1 kHz
60
dB
Total Harmonic Distortion
60 dB Gain, f
e
1 kHz
0.1
%
Total Equivalent Input
Noise
LM381A
LM381
R
S
e
60
X
, 10–10,000 Hz (Single Ended
Input, Flat Gain Circuit, A
V
e
1000)
0.5
0.5
0.7
1.0
m
Vrms
m
Vrms
Note 1:
For operation in ambient temperatures above 25
§
C, the device must be derated based on a 150
§
C maximum junction temperature and a thermal resistance
of 80
§
C/W junction to ambient.
Connection Diagram
Dual-In-Line Package
TL/H/7841–2
Top View
Order Number LM381N or LM381AN
See NS Package Number N14A
2
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