LM393AD Texas Instruments 2-Channel Comparator Open Collector O/P, 1.3 μs 30 V 3 V 8-Pin SOIC

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PHP587.54

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Being discontinued
  • 310 left, ready to ship from another location
  • Final 420 unit(s) shipping from January 22, 2026
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50 +PHP43.174PHP431.74

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Packaging Options:
RS Stock No.:
661-2810
Mfr. Part No.:
LM393AD
Manufacturer:
Texas Instruments
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Brand

Texas Instruments

Product Type

Comparator

Comparator Type

General Purpose

Mount Type

Surface

Package Type

SOIC

Output Type

Open Collector

Number of Channels

2

Typical Response Time

1.3μs

Pin Count

8

Minimum Supply Voltage

3V

Maximum Supply Voltage

30V

Minimum Operating Temperature

0°C

Maximum Operating Temperature

70°C

Standards/Approvals

No

Width

3.91 mm

Series

LM

Height

1.58mm

Length

4.9mm

Automotive Standard

No

Supply Current

2.5mA

LMx93/LM2903 family Dual Comparators


The Texas Instruments LM193, LM293, LM393 and LM2903 are dual differential input voltage comparators designed to operate from a single power supply over a wide range of voltages. The common mode input voltage range includes ground and the devices have open collector outputs.

Comparators, Texas Instruments


Texas Instruments’ range of voltage comparators includes not only conventional single, dual and quad comparator packages but also window comparators and over- & under-voltage supervisors.

Although comparators and operational amplifiers are superficially similar devices their operation in practical applications is very different. Op amps are intended for linear operation accompanied by suitable feedback whereas comparators are tailored for rapid switching and generally operated in open-loop mode. Dedicated voltage comparators have significantly shorter propagation delays and are capable of faster response times under saturated conditions. Most comparators are also more tolerant of high differential input voltages and many have open-collector outputs allowing parallel operation with other devices.

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