LM393D
- Mfr.Part #
- LM393D
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC DUAL DIFF COMP 8-SOIC
- Stock
- 15,820
- In Stock :
- 15,820
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- Manufacturer :
- Texas Instruments
- Product Category :
- Comparators
- Propagation Delay :
- 1.3 μs
- Supply Voltage Limit-Max :
- 36V
- Length :
- 4.9mm
- Input Bias Current :
- 250nA
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Max Power Dissipation :
- 710mW
- Max Input Current :
- 250nA
- Max Junction Temperature (Tj) :
- 150°C
- Average Bias Current-Max (IIB) :
- 0.4μA
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Current - Input Bias (Max) :
- 0.25μA @ 5V
- Output Type :
- CMOS, DTL, ECL, MOS, Open-Collector, TTL
- Max Supply Current :
- 1mA
- Output Current :
- 18mA
- Nominal Supply Current :
- 1mA
- Width :
- 3.9mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Height :
- 1.75mm
- Packaging :
- Tube
- Input Offset Voltage (Vos) :
- 1mV
- Peak Reflow Temperature (Cel) :
- 260
- Radiation Hardening :
- No
- Type :
- GENERAL PURPOSE
- Voltage - Supply, Single/Dual (±) :
- 2V~36V ±1V~18V
- Number of Pins :
- 8
- Lead Free :
- Lead Free
- Operating Temperature :
- 0°C~70°C
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Power Supplies :
- 5V
- Mount :
- Surface Mount
- Natural Thermal Resistance :
- 125 °C/W
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- LM393
- REACH SVHC :
- No SVHC
- Factory Lead Time :
- 25 Weeks
- Number of Terminations :
- 8
- Supply Voltage :
- 5V
- Turn On Delay Time :
- 1.3 μs
- Terminal Form :
- Gull wing
- Voltage Gain :
- 106.02dB
- Power Dissipation :
- 710mW
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Ambient Temperature Range High :
- 70°C
- Pin Count :
- 8
- Response Time :
- 1.3 μs
- Number of Functions :
- 2
- JESD-609 Code :
- e4
- Terminal Position :
- Dual
- Current - Output (Typ) :
- 18mA @ 5V
- Voltage - Input Offset (Max) :
- 5mV @ 30V
- Output Current per Channel :
- 18mA
- Weight :
- 4.535924g
- Dual Supply Voltage :
- 9V
- Number of Circuits :
- 2
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Quiescent Current :
- 2.5mA
- Datasheets
- LM393D

Comparators Texas Instruments LM393D Overview
The LM393D from Texas Instruments is a fundamental component in the field of electronic design, specifically within the Comparators category. This dual differential comparator integrates two independent voltage comparators that efficiently operate from a single power supply over a wide range of voltages. The device is housed in a compact 8-SOIC package, making it ideal for space-sensitive applications while maintaining robust performance. It's designed to operate from a single power supply over a wide range of voltages, which simplifies circuit design. The LM393D's ability to work at low power levels complements battery-operated devices with minimal power draw.
LM393D Features
The LM393D boasts several features that make it suitable for a variety of applications. It operates from a single power supply with a wide range of voltages, which includes a differential input voltage range equal to the power supply voltage. It has a low input bias current and is designed to have a low input offset voltage, which is crucial for high accuracy applications. Additionally, the output of the LM393D can be connected to other voltages within the power supply range, and it has an open-collector output that makes it versatile for interfacing with different logic types.
LM393D Applications
- Voltage Monitoring: In power management systems, the LM393D is used to compare different voltage levels to ensure stability and safety in the system. It acts as a crucial component for over-voltage and under-voltage detection.
- Battery Chargers: It serves in monitoring and controlling the charging process by comparing the current state of battery charge to a preset ideal, thus ensuring optimal charging and prolonging battery life.
- Alarm Systems: Utilized in alarm circuits to sense and compare environmental inputs like temperature or pressure changes, triggering alarms when these inputs deviate from a set threshold.
- Automotive Applications: Used in car electronics to monitor and compare various parameters, such as oil and coolant levels, ensuring the vehicle operates within safe conditions.
- Lighting Systems: In lighting control circuits, the LM393D is applied to sense and manage light levels automatically, enhancing energy efficiency.
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