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Amplifier Circuits / Comparators / LM393ST
Datasheets
LM393ST by:
STMicroelectronics
ROHM Semiconductor
STMicroelectronics
Not Found

Low power dual voltage comparator

Part Details for LM393ST by STMicroelectronics

Results Overview of LM393ST by STMicroelectronics

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

LM393ST Information

LM393ST by STMicroelectronics is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Price & Stock for LM393ST

Part # Distributor Description Stock Price Buy
DISTI # 26AM3783
Newark Std Amplifiers |Stmicroelectronics LM393ST RoHS: Not Compliant Min Qty: 4000 Package Multiple: 1 Date Code: 0 Container: Reel 12000
  • 1 $0.1010
$0.1010 Buy Now
DISTI # 51AC9156
Newark Tssop8 Body3.00 Pitch0.65/Dualbipvolcomp, Comparator Type:Low Power, No. Of Comparators:2 Comparat... ors, Response Time:300Ns, Supply Voltage Range:2V To 36V, ± 1V To ± 18V, Comparator Case Style:Mini Soic, No. Of Pins:8Pins, Ic Output Rohs Compliant: Yes |Stmicroelectronics LM393ST more RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Bulk 2610
  • 1 $0.5800
  • 10 $0.4120
  • 100 $0.2380
  • 500 $0.1830
  • 1,000 $0.1550
$0.1550 / $0.5800 Buy Now
DISTI # 497-7334-1-ND
DigiKey IC COMPARATOR 2 GEN PUR 8MINISO Min Qty: 1 Lead time: 10 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 11323
In Stock
  • 1 $0.5800
  • 10 $0.4120
  • 25 $0.3688
  • 100 $0.3216
  • 250 $0.2990
  • 500 $0.2854
  • 1,000 $0.2742
  • 4,000 $0.2573
  • 8,000 $0.2511
  • 12,000 $0.2480
  • 20,000 $0.2445
  • 28,000 $0.2425
  • 40,000 $0.2405
$0.2405 / $0.5800 Buy Now
DISTI # LM393ST
Avnet Americas Analogue Comparator, Low Power, 2 Channels, 300 ns, 2V to 36V, ? 1V to ? 18V, Mini SOIC, 8 Pins - Ta... pe and Reel (Alt: LM393ST) more RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 10 Weeks, 0 Days Container: Reel 12000
  • 4,000 $0.1011
$0.1011 Buy Now
DISTI # LM393ST
Avnet Americas Analogue Comparator, Low Power, 2 Channels, 300 ns, 2V to 36V, ? 1V to ? 18V, Mini SOIC, 8 Pins - Ta... pe and Reel (Alt: LM393ST) more RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 10 Weeks, 0 Days Container: Reel 12000
  • 4,000 $0.1011
$0.1011 Buy Now
DISTI # 511-LM393ST
Mouser Electronics Analog Comparators Lo Pwr dual Vltg comparators RoHS: Compliant 45705
  • 1 $0.5800
  • 10 $0.4120
  • 25 $0.3690
  • 100 $0.2820
  • 250 $0.2380
  • 1,000 $0.2370
  • 4,000 $0.2370
  • 8,000 $0.2360
$0.2360 / $0.5800 Buy Now
DISTI # E02:0323_00211676
Arrow Electronics Comparator Dual ±18V/36V 8-Pin MSOP T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 10 Weeks Date Code: 2450 Europe - 232000
  • 4,000 $0.2046
  • 8,000 $0.1785
$0.1785 / $0.2046 Buy Now
DISTI # V36:1790_06548579
Arrow Electronics Comparator Dual ±18V/36V 8-Pin MSOP T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 10 Weeks Date Code: 2450 Americas - 4000
  • 4,000 $0.2370
  • 8,000 $0.1820
$0.1820 / $0.2370 Buy Now
STMicroelectronics Low power dual voltage comparator RoHS: Compliant Min Qty: 1 45705
  • 1 $0.5700
  • 10 $0.4000
  • 25 $0.3600
  • 100 $0.2800
  • 250 $0.2300
$0.2300 / $0.5700 Buy Now
Future Electronics LM393 Series Dual 36 V 250 nA SMT Low Power Voltage Comparator - MSOIC-8 RoHS: Compliant pbFree: Yes Min Qty: 4000 Package Multiple: 4000 Lead time: 10 Weeks Container: Reel 128000
Reel
  • 4,000 $0.1080
  • 8,000 $0.1070
  • 12,000 $0.1060
  • 16,000 $0.1050
  • 20,000 $0.1040
$0.1040 / $0.1080 Buy Now
DISTI # 87858234
Verical Comparator Dual ±18V/36V 8-Pin MSOP T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Date Code: 2450 Americas - 232000
  • 4,000 $0.2052
  • 8,000 $0.1790
$0.1790 / $0.2052 Buy Now
DISTI # 87859104
Verical Comparator Dual ±18V/36V 8-Pin MSOP T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Date Code: 2450 Americas - 4000
  • 4,000 $0.2370
  • 8,000 $0.1820
$0.1820 / $0.2370 Buy Now
Bristol Electronics   1446
RFQ
Bristol Electronics   668
RFQ
Quest Components COMPARATOR, 2 FUNC, 9000UV OFFSET-MAX, 1300NS RESPONSE TIME, BIPOLAR, PDSO8 3525
  • 1 $0.5289
  • 171 $0.2468
  • 811 $0.2204
$0.2204 / $0.5289 Buy Now
Quest Components COMPARATOR, 2 FUNC, 9000UV OFFSET-MAX, 1300NS RESPONSE TIME, BIPOLAR, PDSO8 1156
  • 1 $0.8815
  • 114 $0.4408
  • 455 $0.3526
$0.3526 / $0.8815 Buy Now
Future Electronics LM393 Series Dual 36 V 250 nA SMT Low Power Voltage Comparator - MSOIC-8 Min Qty: 4000 Package Multiple: 4000 808000
null
  • 4,000 $0.1080
  • 8,000 $0.1070
  • 12,000 $0.1060
  • 16,000 $0.1050
  • 20,000 $0.1040
$0.1040 / $0.1080 Buy Now
DISTI # LM393ST
TME IC: comparator, low-power, Cmp: 2, 2÷36V, SMT, miniSO8, reel,tape Min Qty: 1 4554
  • 1 $0.6520
  • 10 $0.4190
  • 100 $0.3110
  • 250 $0.2910
  • 500 $0.2590
  • 1,000 $0.1960
$0.1960 / $0.6520 Buy Now
DISTI # SMC-LM393ST
Sensible Micro Corporation AS6081 Certified Vendor, 1 Yr Warranty RoHS: Not Compliant Min Qty: 25 Lead time: 2 Weeks, 0 Days 10000
RFQ
DISTI # LM393ST
Avnet Silica Analogue Comparator Low Power 2 Channels 300 ns 2V to 36V 1V to 18V Mini SOIC 8 Pins (Alt: LM393ST... ) more RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 11 Weeks, 0 Days Silica - 88000
Buy Now
DISTI # LM393ST
EBV Elektronik Analogue Comparator Low Power 2 Channels 300 ns 2V to 36V 1V to 18V Mini SOIC 8 Pins (Alt: LM393ST... ) more RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 11 Weeks, 0 Days EBV - 116000
Buy Now
LCSC 250nA MiniSO-8 Comparators ROHS 40
  • 50 $0.1811
  • 150 $0.1596
  • 500 $0.1326
  • 2,500 $0.1206
  • 4,000 $0.1134
  • 8,000 $0.1119
  • 20,000 $0.1110
$0.1110 / $0.1811 Buy Now

Part Details for LM393ST

LM393ST CAD Models

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LM393ST Part Data Attributes

Parametric Data
LM393ST STMicroelectronics
Buy Now Datasheet
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LM393ST STMicroelectronics Low power dual voltage comparator
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Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Package Description ROHS COMPLIANT, PLASTIC, MINI, SOP-8
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 10 Weeks
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 S-PDSO-G8
JESD-609 Code e3
Length 3 mm
Moisture Sensitivity Level 1
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 TSSOP
Package Equivalence Code TSSOP8,.19
Package Shape SQUARE
Package Style SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Packing Method TR
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Response Time-Nom 1300 ns
Seated Height-Max 1.1 mm
Supply Current-Max 2.5 mA
Supply Voltage Limit-Max 36 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade COMMERCIAL
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form GULL WING
Terminal Pitch 0.65 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3 mm

Alternate Parts for LM393ST

This table gives cross-reference parts and alternative options found for LM393ST. 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 LM393ST, 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 Manufacturer Composite Price Description Compare
LM293ST STMicroelectronics $0.2964 Low power dual voltage comparator LM393ST vs LM293ST
LM393WDT STMicroelectronics $0.1304 Low power dual voltage comparators LM393ST vs LM393WDT

LM393ST Related Parts

LM393ST Frequently Asked Questions (FAQ)

  • The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.

  • To ensure a stable output, add a small capacitor (e.g., 10nF) between the output and ground to filter out high-frequency noise. Additionally, ensure the input signals are clean and free from noise.

  • The minimum input voltage difference required for the comparator to switch is typically around 1-2mV, but this can vary depending on the specific application and noise conditions.

  • No, the LM393ST is a comparator, not an amplifier. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not suitable for amplifying signals.

  • When the input voltages are very close or equal, the comparator output may oscillate or be unstable. In such cases, consider adding hysteresis to the input signals or using a Schmitt trigger configuration to improve stability.