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參數(shù)資料
| 型號： | LM334 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3-Terminal Adjustable Current Sources |
| 中文描述： | 三端可調(diào)電流源 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大小： | 109K |
| 代理商： | LM334 |
ELECTRICAL CHARACTERISTICS
T
j
= +25
o
C with pulse testing so that junction temperature does not change during testing
(unless otherwise specified)
Parameter
LM134 - LM234
Min.
Typ.
LM334
Typ.
Unit
Max.
Min.
Max.
Set Current Error (V
+
= +2.5V) - (note 1)
10
μ
A
≤
I
SET
≤
1mA
1mA
≤
I
SET
≤
5mA
2
μ
A
≤
I
SET
≤
10
μ
A
Ratio of Set Current to V
–
Current
10
μ
A
≤
I
SET
≤
1mA
1mA
≤
I
SET
≤
5mA
2
μ
A
≤
I
SET
≤
10
μ
A
Minimum Operating Voltage
2
μ
A
≤
I
SET
≤
100
μ
A
100
μ
A
≤
I
SET
≤
1mA
1mA
≤
I
SET
≤
5mA
Average change in set current with input voltage
2
μ
A
≤
I
≤
1mA
+1.5V
≤
V
+
≤
+5V
+5V
≤
V
+
≤
+40V
1mA
≤
I
≤
5mA
+1.5V
≤
V
+
+
≤
+5V
+5V
≤
V
+
≤
+40V
Temperature Dependence of set current - (note 2)
25
μ
A
≤
I
SET
≤
1mA
Effective Shunt Capacitance
1. Set current is the current flowing into theV
+
pin. It is determined by the following formula Iset = 67.7mV/R
set
(T
j
= +25
C).
Set current error is expressed as a percent deviation from this amount.
2. I
set
is directly proportional to absolute temperature (
K). I
set
at any temperature can be calculated from
I
set
= I
O
(T/T
O
) where I
O
is Iset measured at T
O
(
K).
3
5
8
6
8
12
%
14
18
14
14
23
14
18
14
14
26
0.8
0.9
1
0.8
0.9
1
V
0.02
0.01
0.03
0.02
0.05
0.03
0.02
0.01
0.03
0.02
0.1
0.05
% / V
0.96 T
T
15
1.04 T
0.96 T
T
15
1.04 T
pF
Notes :
LM134-LM234-LM334
3/10
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| LM334AAP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three terminal adjustable current sources |
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| LM334ADT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three terminal adjustable current sources |
| LM334AT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Three terminal adjustable current sources |
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