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What is LM219J?

This electronic component, produced by the manufacturer "National Semiconductor", performs the same function as "High Speed Dual Comparator".


LM219J Datasheet PDF - National Semiconductor

Part Number LM219J
Description High Speed Dual Comparator
Manufacturers National Semiconductor 
Logo National Semiconductor Logo 


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May 1999
LM119/LM219/LM319
High Speed Dual Comparator
General Description
The LM119 series are precision high speed dual compara-
tors fabricated on a single monolithic chip. They are de-
signed to operate over a wide range of supply voltages down
to a single 5V logic supply and ground. Further, they have
higher gain and lower input currents than devices like the
LM710. The uncommitted collector of the output stage
makes the LM119 compatible with RTL, DTL and TTL as well
as capable of driving lamps and relays at currents up to 25
mA.
The LM319A offers improved precision over the standard
LM319, with tighter tolerances on offset voltage, offset cur-
rent, and voltage gain.
Features
n Two independent comparators
n Operates from a single 5V supply
n Typically 80 ns response time at ±15V
n Minimum fan-out of 2 each side
n Maximum input current of 1 µA over temperature
n Inputs and outputs can be isolated from system ground
n High common mode slew rate
Although designed primarily for applications requiring opera-
tion from digital logic supplies, the LM119 series are fully
specified for power supplies up to ±15V. It features faster re-
sponse than the LM111 at the expense of higher power dis-
sipation. However, the high speed, wide operating voltage
range and low package count make the LM119 much more
versatile than older devices like the LM711.
The LM119 is specified from −55˚C to +125˚C, the LM219 is
specified from −25˚C to +85˚C, and the LM319A and LM319
are specified from 0˚C to +70˚C.
Connection Diagram
Dual-In-Line Package
DS005705-4
Note 1: Also available per SMD# 8601401 or JM38510/10306
Top View
Order Number LM119J, LM119J/883 (Note 1),
LM219J, LM319J, LM319AM, LM319M,
LM319AN or LM319N
See NS Package Number J14A, M14A or N14A
© 1999 National Semiconductor Corporation DS005705
www.national.com

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LM219J equivalent
Typical Performance Characteristics LM119A/LM119/LM219 (Continued)
Supply Current
Supply Current
Output Limiting
Characteristics
DS005705-19
DS005705-20
Typical Performance Characteristics LM319A, LM319
Input Currents
Supply Currents
Transfer Function
DS005705-21
DS005705-22
DS005705-23
Response Time for Various
Input Overdrives
Response Time for Various
Input Overdrives
Input Characteristics
DS005705-24
DS005705-25
DS005705-26
DS005705-27
5 www.national.com


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