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參數(shù)資料
| 型號： | LT119A |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Dual Comparator |
| 中文描述： | 雙比較 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 240K |
| 代理商： | LT119A |
1
LT119A/LT319A
LM119/LM319
Dual Comparator
I
GuaranteedMaximum 0.5mV Input Offset Voltage
I
Input Protection Diodes
I
Operates From Single 5V Supply
I
25mA Drive Capability
I
80ns Response Time
The LT119A is an improved version of the LM119 dual
comparator. It features lower input offset voltage and
offset current, higher voltage gain, guaranteed common
mode rejection, and input protection diodes.
The LT119A is capable of operation over a supply range
from 5V to
±
15V and can drive 25mA loads from each open
collector output. A separate ground pin allows the LT119A
to isolate system grounds.
Linear Technology Corporation’s advanced processing,
design techniques and reliability make the LT119A/LT319A
an ideal choice over previous devices in most comparator
applications.
FEATURES
DESCRIPTIO
N
U
I
Window Detectors
I
High Speed One Shot
I
Relay/Lamp Drivers
I
Voltage Controlled Oscillators
APPLICATIO
S
U
TYPICAL APPLICATIO
N
U
–
–
+
5V
500
TTL OUTPUT
LT119/319 TA1
1
10
3
4
8
9
5
7
6
2
1
/
2
LT319A
1
/
2
LT319A
V
UT
V
OUT
= 5.0V FOR
V
LT
≤
V
IN
≤
V
UT
V
OUT
= 0V FOR
V
IN
≤
V
LT
OR V
IN
≤
V
UT
V
IN
V
LT
*
ALLOWED WINDOW FOR SINGLE
+
5V SUPPLY IS 1.2V TO 3.8V
Window Detector*
TIME (ns)
0
I
V
O
V
50
0
1
2
4
50
150
200
LT119/319 TA2
100
5
6
3
0
100
250 300
350
20mV
2mV
5mV
V
S
= ±15V
R
L
= 500
V
++
= 5V
T
A
= 25°C
Response Time for Various Input Overdrives
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|---|---|
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