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

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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