LM319M Integrated Circuit Chip Precision High Speed Dual Comparator
electronics ic chip
,integrated circuit components
LM119/LM219/LM319
High Speed Dual Comparator
General Description
The LM119 series are precision high speed dual comparators fabricated on a single monolithic chip. They are designed 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 current, and voltage gain.
Features
• Two independent comparators
• Operates from a single 5V supply
• Typically 80 ns response time at ±15V
• Minimum fan-out of 2 each side
• Maximum input current of 1 µA over temperature
• Inputs and outputs can be isolated from system ground
• High common mode slew rate
Although designed primarily for applications requiring operation from digital logic supplies, the LM119 series are fully specified for power supplies up to ±15V. It features faster response than the LM111 at the expense of higher power dissipation. 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
Absolute Maximum Ratings (Note 8)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
Total Supply Voltage 36V
Output to Negative Supply Voltage 36V
Ground to Negative Supply Voltage 25V
Ground to Positive Supply Voltage 18V
Differential Input Voltage ±5V
Input Voltage (Note 2) ±15V
ESD rating (1.5 kΩ in series with 100 pF) 800V
Power Dissipation (Note 3) 500mW
Output Short Circuit Duration 10 sec
Storage Temperature Range −65˚C to 150˚C
Lead Temperature (Soldering, 10 sec.) 260˚C
Soldering Information
Dual-In-Line Package Soldering (10 seconds) 260˚C
Small Outline Package
Vapor Phase (60 seconds) 215˚C
Infrared (15 seconds) 220˚C
See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” for other methods of soldering surface mount devices.
Stock Offer (Hot Sell)
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| LP38693MP-5.0 | 9136 | TI | 16+ | SOT-223 |
| LP38693MP-ADJ | 7756 | TI | 16+ | SOT-223 |
| LP38693MPX-5.0 | 11763 | TI | 13+ | SOT-5 |
| LP38693MPX-ADJ | 5755 | TI | 15+ | SOT-223 |
| LP3875ESX-ADJ | 3237 | TI | 16+ | TO-263 |
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