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