LM393ST
- Mfr.Part #
- LM393ST
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC VOLT COMPARATOR DUAL 8MISOIC
- Stock
- 8,394
- In Stock :
- 8,394
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Comparators
- Nominal Supply Current :
- 1mA
- Input Bias Current :
- 250nA
- Output Current :
- 18mA
- Supply Voltage Limit-Max :
- 36V
- Number of Terminations :
- 8
- Natural Thermal Resistance :
- 190 °C/W
- Quiescent Current :
- 2.5mA
- Radiation Hardening :
- No
- Number of Pins :
- 8
- Output Type :
- CMOS, DTL, ECL, MOS, Open-Collector, TTL
- Width :
- 3.1mm
- Base Part Number :
- LM393
- Terminal Position :
- Dual
- Current - Output (Typ) :
- 18mA @ 5V
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Mounting Type :
- Surface Mount
- Terminal Form :
- Gull wing
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Length :
- 3.2mm
- Power Dissipation :
- 580mW
- Factory Lead Time :
- 12 Weeks
- Pin Count :
- 8
- Packaging :
- Tape and Reel (TR)
- Number of Elements :
- 2
- Input Offset Voltage (Vos) :
- 5mV
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Number of Functions :
- 2
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Current - Input Bias (Max) :
- 0.25μA @ 5V
- RoHS Status :
- ROHS3 Compliant
- Lead Free :
- Lead Free
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Supply, Single/Dual (±) :
- 2V~36V ±1V~18V
- Type :
- GENERAL PURPOSE
- Max Supply Current :
- 1mA
- Mount :
- Surface Mount
- Supply Voltage :
- 5V
- Average Bias Current-Max (IIB) :
- 0.4μA
- Response Time :
- 1.3 μs
- JESD-609 Code :
- e3
- Terminal Pitch :
- 0.65mm
- ECCN Code :
- EAR99
- Voltage Gain :
- 106.02dB
- Operating Temperature :
- 0°C~70°C
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Max Input Current :
- 250nA
- Height :
- 950μm
- Voltage - Input Offset (Max) :
- 5mV @ 30V
- Max Power Dissipation :
- 580mW
- Datasheets
- LM393ST
LM393ST Documents

Comparators STMicroelectronics LM393ST Overview
The STMicroelectronics LM393ST is a high-performance, low-power dual voltage comparator designed to operate in a wide range of applications. Known for its reliability and efficiency, the LM393ST ensures precise voltage comparison with its dual independent comparators. Each comparator has been optimized for low voltage operations, making it ideal for battery-driven devices where power conservation is crucial. The small 8-MISOIC package of the LM393ST allows for a minimal footprint on PCBs, making it a perfect choice for space-constrained applications while enhancing the overall system stability and response time.
LM393ST Features
The LM393ST boasts several key features that make it an indispensable component in many electronic circuits. These include a wide single or dual supply voltage range from 2V to 36V, low supply current, and compatibility with all forms of logic. Additionally, its low input bias current, input offset current and offset voltage enhance device precision, ensuring accurate performance under a variety of conditions.
LM393ST Applications
- Consumer Electronics: Used in TVs, radios, and other household gadgets for voltage monitoring, ensuring optimal operation and energy efficiency.
- Industrial Automation: Integral in controlling sensors and switches, managing operational accuracy in machinery and plant equipment.
- Automotive Systems: Critical in monitoring battery management systems, thus ensuring vehicle safety and reliability.
- Power Management: Helps in maintaining system stability in power supplies, enhancing the safety and efficiency of electrical systems.
- Alarm Systems: Utilized in smoke and gas detection systems for triggering alarms based on voltage changes, thereby providing timely alerts for safety interventions.
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