LM393:Low power dual voltage comparator

The LM193, LM293, and LM393 devices consist of two independent low voltage comparators designed specifically to operate from a single supply over a wide range of voltages. Operation from split power supplies is also possible.

These comparators also have a unique characteristic in that the input common-mode voltage range includes ground even though operated from a single power supply voltage.

Key Features

  • Wide single-supply voltage range or dual supplies: 2 V to 36 V or ±1 V to ±18 V
  • Very low supply current (0.45 mA) independent of supply voltage (1 mW/comparator at 5 V)
  • Low input bias current: 20 nA typ.
  • Low input offset current: ±3 nA typ.
  • Low input offset voltage: ±1 mV typ.
  • Input common-mode voltage range includes ground
  • Low output saturation voltage: 80 mV typ. (Isink  = 4 mA)
  • Differential input voltage range equal to the supply voltage
  • TTL, DTL, ECL, MOS, CMOS compatible outputs
  • Available in DFN8 2x2, MiniSO8, TSSOP8, and SO8 packages
Product Specifications
DescriptionVersionSize
DS0443: Low-power, dual-voltage comparators15.0903 KB
Application Notes
DescriptionVersionSize
AN4071: Introduction to comparators, their parameters and basic applications1.0482 KB
User Manuals
DescriptionVersionSize
UM0065: MACROMODELS USER MANUAL FOR STANDARD LINEAR PRODUCTS1.0120 KB
UM1559: STEVAL-IHM041V1: hardware description1.0525 KB
HW Model & CAD Libraries
DescriptionVersionSize
LM193/LM293/LM393 PSpice model1.01 KB
ST library for all op amps and comparators SPICE models2.045 KB
TS393 PSpice model2.11 KB
Presentations
DescriptionVersionSize
VMA automotive applications1 MB
Selection Guides
DescriptionVersionSize
ST Analog cards High-performance operational amplifiers and comparators, the best choice for longevity, robustness and performance.1.0818 KB
Brochures
DescriptionVersionSize
Operational amplifiers: performance, robust and advanced technology2 MB
Products and Solutions for Factory Automation and Control1.03 MB
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
LM393PTTSSOP-8Tape And Reel0700.151000NECEAR99MOROCCO
LM393EDTSO-8Tape And Reel070--NECEAR99MOROCCO
LM393DSO-8Tube0700.151000NECEAR99CHINA
LM393QTUFSON 8 2x2x0.6Tape And Reel0700.141000NECEAR99CHINA
LM393ADTSO-8Tape And Reel0700.151000NECEAR99MOROCCO
LM393STMSOP/TSSOP 8Tape And Reel0700.151000NECEAR99MALAYSIA
LM393DTSO-8Tape And Reel0700.0971000NECEAR99MOROCCO
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
LM393PTTSSOP-8IndustrialEcopack1md_6p-wspc-tssop-wspc-8-wspc-body-wspc-4.4-wspc-pitch-wspc-0.65_kd6p-wspc-0393bc6_vers2_sdm_signed.pdf
md_6p-wspc-tssop-wspc-8-wspc-body-wspc-4.4-wspc-pitch-wspc-0.65_kd6p-wspc-0393bc6_vers2.xml
LM393EDTSO-8IndustrialEcopack3md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_ldo70393bc6-wspc-(lm393dt)-wspc-wcp-wspc-ver2_signed.pdf
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_ldo70393bc6-wspc-(lm393dt)-wspc-wcp-wspc-ver2.xml
LM393DSO-8IndustrialEcopack1md_o7-wspc-so08-wspc-.15-wspc-jedec_hdo7-wspc-0393bc6_signed.pdf
md_o7-wspc-so08-wspc-.xml
LM393QTUFSON 8 2x2x0.6IndustrialEcopack3md_nb-wspc-ufson-wspc-2x2x0.6-wspc-8-wspc-pitch-wspc-0.5_1ynb0393bg6-wspc-(lm393qt)_wcp_ver2_signed.pdf
md_nb-wspc-ufson-wspc-2x2x0.6-wspc-8-wspc-pitch-wspc-0.5_1ynb0393bg6-wspc-(lm393qt)_wcp_ver2.xml
LM393ADTSO-8IndustrialEcopack3md_so_08_15-wspc-jedec_cdo70393bc6-wspc-(lm293dt)_vers2_signed.pdf
md_so_08_15-wspc-jedec_cdo70393bc6-wspc-(lm293dt)_vers2.xml
LM393STMSOP/TSSOP 8IndustrialEcopack3md_e3-wspc-msop_tssop-wspc-8-wspc-body3.00-wspc-pitch0.65_eye30393bc6-wspc-(lm393st)_wcp_ver2_signed.pdf
md_e3-wspc-msop_tssop-wspc-8-wspc-body3.00-wspc-pitch0.65_eye30393bc6-wspc-(lm393st)_wcp_ver2.xml
LM393DTSO-8IndustrialEcopack1md_so_08_15-wspc-jedec_cdo70393bc6-wspc-(lm293dt)_vers2_signed.pdf
md_so_08_15-wspc-jedec_cdo70393bc6-wspc-(lm293dt)_vers2.xml
Low-power, dual-voltage comparators LM193
Introduction to comparators, their parameters and basic applications LM2901H
MACROMODELS USER MANUAL FOR STANDARD LINEAR PRODUCTS TSV631
STEVAL-IHM041V1: hardware description STEVAL-IHM041V1
MACROMODELS USER MANUAL FOR STANDARD LINEAR PRODUCTS LM193
Optical heart rate monitoring – OHRM based on X-NUCLEO-IKA01A1 expansion board TSV631
STEVAL-IHM041V1: hardware description LM393
Optical heart rate monitoring – OHRM based on X-NUCLEO-IKA01A1 expansion board TSV631
Optical heart rate monitoring – OHRM based on X-NUCLEO-IKA01A1 expansion board TSV631
Optical heart rate monitoring – OHRM based on X-NUCLEO-IKA01A1 expansion board TSV631
STEVAL-SPIMD20V1 demonstration kit based on the SPIMD20 integrated motor drive STEVAL-SPIMD20V1
md_6p-wspc-tssop-wspc-8-wspc-body-wspc-4.4-wspc-pitch-wspc-0.65_kd6p-wspc-0393bc6_vers2_sdm_signed.pdf LM2903
md_6p-wspc-tssop-wspc-8-wspc-body-wspc-4.4-wspc-pitch-wspc-0.65_kd6p-wspc-0393bc6_vers2.xml LM2903
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_ldo70393bc6-wspc-(lm393dt)-wspc-wcp-wspc-ver2_signed.pdf LM193
md_o7-wspc-so-wspc-08-wspc-.15-wspc-jedec_ldo70393bc6-wspc-(lm393dt)-wspc-wcp-wspc-ver2.xml LM193
md_o7-wspc-so08-wspc-.15-wspc-jedec_hdo7-wspc-0393bc6_signed.pdf LM393
md_o7-wspc-so08-wspc-.xml LM217L
md_nb-wspc-ufson-wspc-2x2x0.6-wspc-8-wspc-pitch-wspc-0.5_1ynb0393bg6-wspc-(lm393qt)_wcp_ver2_signed.pdf LM393
md_nb-wspc-ufson-wspc-2x2x0.6-wspc-8-wspc-pitch-wspc-0.5_1ynb0393bg6-wspc-(lm393qt)_wcp_ver2.xml LM393
md_e3-wspc-msop_tssop-wspc-8-wspc-body3.00-wspc-pitch0.65_eye30393bc6-wspc-(lm393st)_wcp_ver2_signed.pdf LM393
md_e3-wspc-msop_tssop-wspc-8-wspc-body3.00-wspc-pitch0.65_eye30393bc6-wspc-(lm393st)_wcp_ver2.xml LM393
md_so_08_15-wspc-jedec_cdo70393bc6-wspc-(lm293dt)_vers2_signed.pdf LM2903
md_so_08_15-wspc-jedec_cdo70393bc6-wspc-(lm293dt)_vers2.xml LM2903