Standard Open-Collector Comparator - LM339PT

The Universal Standard family LM393 / LM339 / LM2903 / LM2901 monolithic ICs integrate two / four independent comparators on a single chip and feature high gain, low power consumption, and an operating voltage range from 2[V] to 36[V] (single power supply).

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
LM339PT Active TSSOP14 2500 2500 Taping Yes
Grade Standard
Power supply(Min.)[V] 2.0
Power supply(Max.)[V] 36.0
Channel 4
Circuit Current(Typ.)[mA] 0.8
Input Offset Voltage(Max.)[mV] 7.0
Input Bias Current(Typ.)[nA] 50.0
Response Time(Typ.)[µS] 1.3
Output current(Typ.)[mA] 16.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・Operating temperature range
        Commercial Grade LM339/393 family : 0[℃] to + 70[℃]
        Extended Industrial Grade LM2903/2901 family : -40[℃] to +125[℃]
    ・Open collector output stage
    ・Single / dual power supply compatible
    ・Low supply current
        0.4[mA] typ.(LM2903/393 family)
        1.1[mA] typ.(LM2901/339 family)
    ・Low supply current: 25[nA] typ.
    ・Low input offset current: 5[nA] typ.
    ・Common-mode input voltage range includes ground
    ・Differential input voltage is possible to apply the absolute maximum ratings±36[V].
    ・Low output saturation voltage
    ・TTL, MOS, CMOS compatible output
Pin Configuration:
Pin Configration
Other New/Updated Products Relating to Amplifiers & Linear
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LM393ST Standard Open-Collector Comparator Mini SO8   Buy Sample
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LM393WPT Standard Open-Collector Comparator TSSOP8   Buy Sample
LM2903DT Standard Open-Collector Comparator SO package8   Buy Sample
New Products:
Technical Data
Op-Amp / Comparator Tutorial

This application note explains the general terms and basic techniques that are necessary for configuring application circuits with op-amps and comparators. Refer to this note for guidance when using op-amps and comparators.

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.