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零件编号 | LF111 | ||
描述 | Voltage Comparators | ||
制造商 | National Semiconductor | ||
LOGO | |||
1 Page
November 1994
LF111 LF211 LF311 Voltage Comparators
General Description
The LF111 LF211 and LF311 are FET input voltage com-
parators that virtually eliminate input current errors De-
signed to operate over a 5 0V to g15V range the LF111
can be used in the most critical applications
The extremely low input currents of the LF111 allows the
use of a simple comparator in applications usually requiring
input current buffering Leakage testing long time delay cir-
cuits charge measurements and high source impedance
voltage comparisons are easily done
Further the LF111 can be used in place of the LM111 elimi-
nating errors due to input currents See the ‘‘application
hints’’ of the LM311 for application help
Features
Y Eliminates input current errors
Y Interchangeable with LM111
Y No need for input current buffering
Schematic Diagram
Note Do Not Ground Strobe Pin or
Balance Strobe Pin See Note 7
Connection Diagram
Metal Can Package
TL H 5703 – 2
TL H 5703 – 1
Top View
Order Number LF111H LF111H-MIL or LF311H
See NS Package Number H08C
C1995 National Semiconductor Corporation TL H 5703
RRD-B30M115 Printed in U S A
Typical Applications (Continued)
Relay Driver with Strobe
Absorbs inductive kickback of relay
and protects IC from severe voltage
transients on Va a line
Note Do Not Ground Strobe Pin
Positive Peak Detector
TL H 5703 – 18
Solid tantalum
Negative Peak Detector
TL H 5703 – 19
Solid tantalum
TL H 5703 – 20
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页数 | 11 页 | ||
下载 | [ LF111.PDF 数据手册 ] |
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