High Speed Dual Comparator

High Speed Dual Comparator - LM319-N


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 5-V logic supply and ground. They have higher gain and lower input currents than devices such as 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 of up to 25 mA.

The LM319A offers improved precision over the standard LM319, with tighter tolerances on offset voltage, offset current, and voltage gain.

Although designed primarily for applications requiring operation from digital logic supplies, the LM119 series are fully specified for power supplies up to ±15 V. The series 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 more versatile than older devices such as 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.


  • Two Independent Comparators
  • Operates from a Single 5-V Supply
  • Typically 80-ns Response Time at ±15 V
  • Minimum Fan-out of 2 Each Side
  • Maximum Input Current of 1 µA Over
  • Inputs and Outputs can be Isolated from System
  • High Common-Mode Slew Rate

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Parametrics Compare all products in Comparators

Number of Channels (#)
Output Type
Vs (Min) (V)
Vs (Max) (V)
Propagation Delay Time (uS)
Vos (Offset Voltage @ 25C) (Max) (mV)
Iq per channel (Max) (mA)
Input Bias Current (+/-) (Max) (nA)
Operating Temperature Range (C)
VICR (Max) (V)
VICR (Min) (V)
Package Group
LM319-N LM360 LM361 LMH7220 LMH7322 LMV7219
2    1    1    1    2    1   
Open Collector    Differential    Differential    LVDS    RSPECL    Push-Pull   
5    9    11    2.7    2.7    2.5   
36    16    32    12    12    5.5   
0.025    0.13    0.14    0.0029    0.0007    0.007   
8    2    1    9.5    8    6   
6.25    32    20    10    15    1.8   
1000    6000    30000    5000    5000    950   
No    No    No    No    No    Out   
Catalog    Catalog    Catalog    Catalog    Catalog    Catalog   
0 to 70    0 to 70    0 to 70    -40 to 125    -40 to 125    -40 to 85   
N/A    N/A    Strobe    N/A    Strobe    Hysteresis
Small Size   
34    13.5    23    9.8    10.5    4.3   
2    2.5    9    0.2    0.2    -0.2   
SOT-23-THIN    WQFN    SC70

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