Datasheets
LM393N by:

Low power dual voltage comparator

Part Details for LM393N by STMicroelectronics

Overview of LM393N by STMicroelectronics

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Price & Stock for LM393N

Part # Distributor Description Stock Price Buy
Bristol Electronics   225
RFQ
Bristol Electronics   176
RFQ
Bristol Electronics   450
RFQ
Bristol Electronics   2528
RFQ
Quest Components Voltage Comparator, Dual, 8 Pin, Plastic, DIP 1
  • 1 $0.6624
$0.6624 Buy Now
Quest Components Voltage Comparator, Dual, 8 Pin, Plastic, DIP 920
  • 1 $1.0000
  • 101 $0.5000
  • 401 $0.4000
$0.4000 / $1.0000 Buy Now
Quest Components Voltage Comparator, Dual, 8 Pin, Plastic, DIP 360
  • 1 $1.1040
  • 24 $0.6624
  • 92 $0.5520
$0.5520 / $1.1040 Buy Now
Quest Components Voltage Comparator, Dual, 8 Pin, Plastic, DIP 140
  • 1 $1.4000
  • 19 $0.8400
  • 72 $0.7000
$0.7000 / $1.4000 Buy Now
Quest Components Voltage Comparator, Dual, 8 Pin, Plastic, DIP 17
  • 1 $4.0000
  • 2 $3.0000
  • 9 $2.5000
$2.5000 / $4.0000 Buy Now
ComSIT USA LOW POWER DUAL VOLTAGE COMPARATOR Comparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP8 RoHS: Compliant Europe - 472
RFQ
DISTI # SMC-LM393N
Sensible Micro Corporation Voltage Comparator, Dual, 8 Pin, Plastic, Dip RoHS: Not Compliant Min Qty: 25 Lead time: 0 Weeks, 1 Days Date Code: 2000+ Container: Tubes 19
  • 100 $0.8708
  • 500 $0.8303
  • 1,000 $0.8092
$0.8092 / $0.8708 RFQ
Velocity Electronics Our Stock 59
RFQ
Velocity Electronics Our Stock 52
RFQ
Component Electronics, Inc IN STOCK SHIP TODAY 550
  • 1 $0.7700
  • 100 $0.5800
  • 1,000 $0.5000
$0.5000 / $0.7700 Buy Now
DISTI # 9755950
element14 Asia-Pacific IC, COMPARATOR DUAL, DIP8, 393 RoHS: Compliant Min Qty: 5 Container: Each 0
  • 5 $0.2825
  • 10 $0.2582
  • 100 $0.2420
  • 500 $0.2258
  • 1,000 $0.2089
  • 5,000 $0.2052
  • 10,000 $0.2008
$0.2008 / $0.2825 Buy Now
DISTI # 9755950
Farnell IC, COMPARATOR DUAL, DIP8, 393 RoHS: Compliant Min Qty: 1 Lead time: 41 Weeks, 1 Days Container: Each 0
  • 1 $0.2630
  • 10 $0.1841
  • 100 $0.1515
  • 250 $0.1340
  • 500 $0.1265
$0.1265 / $0.2630 Buy Now

Part Details for LM393N

LM393N CAD Models

LM393N Part Data Attributes

LM393N STMicroelectronics
Buy Now Datasheet
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LM393N STMicroelectronics Low power dual voltage comparator
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer STMICROELECTRONICS
Part Package Code DIP
Package Description ROHS COMPLIANT, PLASTIC, DIP-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer STMicroelectronics
Amplifier Type COMPARATOR
Average Bias Current-Max (IIB) 0.4 µA
Bias Current-Max (IIB) @25C 0.25 µA
Input Offset Voltage-Max 9000 µV
JESD-30 Code R-PDIP-T8
JESD-609 Code e3
Length 9.27 mm
Neg Supply Voltage Limit-Max
Neg Supply Voltage-Nom (Vsup)
Number of Functions 2
Number of Terminals 8
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Type OPEN-COLLECTOR
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Qualification Status Not Qualified
Response Time-Nom 1300 ns
Seated Height-Max 5.33 mm
Supply Current-Max 2.5 mA
Supply Voltage Limit-Max 36 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount NO
Technology BIPOLAR
Temperature Grade COMMERCIAL
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm

Alternate Parts for LM393N

This table gives cross-reference parts and alternative options found for LM393N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM393N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
LM393N_NL Comparator, 2 Func, 9000uV Offset-Max, 1400ns Response Time, BIPolar, PDIP8, LEAD FREE, DIP-8 Fairchild Semiconductor Corporation LM393N vs LM393N_NL
LM393N Comparator, 2 Func, 9000uV Offset-Max, 1400ns Response Time, BIPolar, PDIP8, DIP-8 Samsung Semiconductor LM393N vs LM393N
LM393N IC DUAL COMPARATOR, 9000 uV OFFSET-MAX, 1300 ns RESPONSE TIME, PDIP8, 0.300 INCH, PLASTIC, MO-001, SOT-97-1, DIP-8, Comparator NXP Semiconductors LM393N vs LM393N
LM393N Comparator, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDIP8, Signetics LM393N vs LM393N
LM393N Comparator, Dual, Low Offset Voltage, 3000-TUBE onsemi LM393N vs LM393N
LM393N Comparator, 2 Func, 5000uV Offset-Max, 1400ns Response Time, PDIP8, DIP-8 KEC LM393N vs LM393N
LM393N/NOPB Low Power Low Offset Voltage Dual Comparator 8-PDIP 0 to 70 Texas Instruments LM393N vs LM393N/NOPB
Part Number Description Manufacturer Compare
LM293DRE4 Dual differential comparator, industrial grade 8-SOIC -25 to 85 Texas Instruments LM393N vs LM293DRE4
LM393MX Comparator, Dual, Low Offset Voltage, 3000-REEL onsemi LM393N vs LM393MX
LM393DG Comparator, Dual, Low Offset Voltage, SOIC-8 Narrow Body, 98-TUBE onsemi LM393N vs LM393DG
LM393DR2 Comparator, 2 Func, 9000uV Offset-Max, 1300ns Response Time, BIPolar, PDSO8, SOIC-8 Rochester Electronics LLC LM393N vs LM393DR2
LM293MDREP Enhanced Product Dual Differential Comparators 8-SOIC -55 to 125 Texas Instruments LM393N vs LM293MDREP
LM393N Comparator, Dual, Low Offset Voltage, 3000-TUBE onsemi LM393N vs LM393N
LM293D Comparator, Dual, Low Offset Voltage, SOIC-8 Narrow Body, 98-TUBE onsemi LM393N vs LM293D
LM393D/T3 DUAL COMPARATOR, 9000uV OFFSET-MAX, 1300ns RESPONSE TIME, PDSO8, 3.90 MM, PLASTIC, SOT-96-1, SOP-8 NXP Semiconductors LM393N vs LM393D/T3
LM393MX_NL Comparator, 2 Func, 9000uV Offset-Max, 1400ns Response Time, BIPolar, PDSO8, SOP-8 Fairchild Semiconductor Corporation LM393N vs LM393MX_NL
LM393D Comparator, 2 Func, 9000uV Offset-Max, 1400ns Response Time, BIPolar, PDSO8, SOP-8 Samsung Semiconductor LM393N vs LM393D

Resources and Additional Insights for LM393N

Reference Designs related to LM393N

  • Alarm tone generator reference design
    This reference design provides a way of generating alarms similar to as described in the IEC60601-1-8 standard for medical devices. The critical timing parameters are programmable through firmware. All parameters: including pulse width: pulse rate: internal frequency: pulse rise time: volume control: and priority: are controlled using firmware. The analog envelope is generated by a combination of the MSP430FR2311 and analog circuitry.

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