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參數(shù)資料
| 型號： | LM311DT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Voltage comparator with strobe |
| 中文描述： | 電壓比較器頻閃 |
| 文件頁數(shù)： | 5/14頁 |
| 文件大?。?/td> | 229K |
| 代理商： | LM311DT |
LM111-LM211-LM311
Electrical characteristics
5/14
3
Electrical characteristics
V
CC+
= ±15V, T
amb
= +25°C (unless otherwise specified)
Table 3.
Symbol
Parameter
Conditions
LM111 - LM211
LM311
Unit
Min.
Typ.
Max.
Min.
Typ.
Max.
V
io
Input offset voltage
(1)
R
S
≤
50k
Ω
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
0.7
3
4
2
7.5
10
mV
I
io
Input offset current
(1)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
4
10
20
6
50
70
nA
I
ib
Input bias current
(1)
T
amb
= +25°C
T
min
≤
T
amb
≤
T
max
60
100
150
100
250
300
nA
A
vd
Large signal voltage gain
40
200
40
200
V/mV
I
CC+
I
CC-
Supply currents
Positive
Negative
5.1
4.1
6
5
5.1
4.1
7.5
5
mA
V
icm
Input common mode
voltage range
T
min
≤
T
amb
≤
T
max
-14.5 +13.8
-14.7
+13
-14.5 +13.8
-14.7
+13
V
V
OL
Low level output voltage
T
amb
= +25°C, I
O
= 50mA,
V
i
≤
-5mV
0.75
1.5
V
T
amb
= +25°C, I
O
= 50mA,
V
i
≤
-10mV
T
CC+
≤
T
amb
≤
T
CC-
V
≥
+4.5V, V
= 0
I
O
= 8mA, V
i
≤
-6m
T
CC+
≤
T
amb
≤
T
CC-
V
≥
+4.5V, V
= 0
I
O
= 8mA, V
i
≤
-10mV
0.75
1.5
0.23
0.4
0.23
0.4
I
OH
High level output current
T
amb
= +25°C
Vi
≥
+5mV, V
O
= +35V
0.2
10
nA
T
amb
= +25°C
Vi
≥
+10mV, V
O
= +35V
T
min
≤
T
amb
≤
T
max
Vi
≥
+5mV, V
O
= +35V
0.2
50
nA
0.1
0.5
μA
I
strobe
Strobe current
3
3
mA
t
re
Response time
(2)
200
200
ns
1.
The offset voltage, offset current and bias current specifications apply for any supply voltage from a single +5V supply up to
±15V supplies. The offset voltages and offset currents given are the maximum values required to drive the output down to
+1V or up to +14V with a 1mA load current. Thus, these parameters define an error band and take into account the worst-
case of voltage gain and input impedance.
2.
The response time specified is for a 100mV input step with 5mV overdrive.
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