Purchase LF311, In-stock LF311 From SeekIC.
Part Number: LF311
Description: The LF111, LF211 and LF311 are FET input voltage com- parators that virtually eliminate input current ...
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LF311
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DataSheet
General Description
LF311 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.
LF311 Maximum Ratings
If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distributors for availability and specifications.
(Note 8)
LF111/LF211 LF311
Total Supply Voltage (V84) 36V 36V
Output to Negative Supply
Voltage (V74) 50V 40V
Ground to Negative Supply
Voltage (V14) 30V 30V
Differential Input Voltage ±30V ±30V
Input Voltage (Note 1) ±15V ±15V
Power Dissipation (Note 2) 500 mW 500 mW
Output Short Circuit Duration 10 seconds 10 seconds
perating Temp.
Range
LF111 -55to +125
LF211 -25to +85
LF311 0to a70
Storage Temp.
Range -65to+150 -65to +150
Lead Temp.
(Soldering,
10 seconds) 260 260
ESD rating to be determined.
LF311 Features
·Eliminates input current errors
·Interchangeable with LM111
·No need for input current buffering
·Interchangeable with LM111
·No need for input current buffering
LF311
PDF/DataSheet Download
- Datasheet: LF311
- File Size: 218903 KB
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