LM393ST

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LM393ST

IC COMPARATOR DUAL GP 8MSOP

  • Manufacturer
  • Mfr. Part #LM393ST
  • Package MiniSO-8
  • Datasheet
  • In Stock7909

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Specifications

Package Tape & Reel (TR)
ProductStatus Active
Type General Purpose
NumberofElements 2
OutputType CMOS, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 7mV @ 5V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 16mA @ 5V
Current-Quiescent(Max) 1mA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
MountingType Surface Mount

Overview

Description

The LM393ST is a dual comparator integrated circuit (IC) that features two independent, high-gain, voltage comparator circuits. It operates with a wide supply voltage range, typically from 2V to 36V, making it versatile for various applications. The IC is designed to compare two input voltages and output a digital signal indicating which is higher. This makes it useful for applications such as zero-crossing detectors, voltage level detectors, and oscillators.
The LM393ST has an open-collector output, which allows for easy interfacing with different voltage levels and the ability to connect multiple outputs together (wired-AND configuration). The device is housed in a standard 8-pin DIP or surface mount package, facilitating integration into electronic circuits. Key features include low input bias current, high input impedance, and fast response time, making it suitable for both analog and digital applications. Overall, the LM393ST is a reliable choice for designing robust comparator circuits in various electronic systems.

Features

The LM393ST is a dual comparator integrated circuit widely used in various electronic applications. Key features include:
1. Dual Comparator: Contains two independent, high-speed comparators suitable for a variety of tasks.
2. Low Power Consumption: Operates typically at 1.5 mA per comparator, making it energy-efficient.
3. Wide Voltage Range: Supports a supply voltage range of 2V to 36V, compatible with various power sources.
4. High Speed: Slew rate of 0.3 V/µs, allowing for rapid signal processing.
5. Open-Collector Output: Enables wired-AND connections and allows for interfacing with different voltage levels.
6. Wide Temperature Range: Operates from -40°C to +125°C, suitable for diverse environmental conditions.
7. High Input Impedance: Provides minimal loading on input signals.
8. Common Mode Range: Can handle inputs within the supply voltage range, offering design flexibility.
These features make the LM393ST ideal for applications such as voltage level detection, signal conditioning, and control systems.

Package

The LM393ST is typically packaged in an 8-pin Dual In-Line Package (DIP) format. This package type allows for easy integration into circuit boards and is suitable for various applications in analog signal processing.

Pinout

The LM393ST is a dual comparator integrated circuit with a total of 8 pins. The pin configuration and functions are as follows:
1. VCC (Pin 1): Positive supply voltage.
2. Inverting Input (V-) (Pin 2): Input for the first comparator.
3. Non-Inverting Input (V+) (Pin 3): Input for the first comparator.
4. Output (Pin 4): Output for the first comparator.
5. Inverting Input (V-) (Pin 5): Input for the second comparator.
6. Non-Inverting Input (V+) (Pin 6): Input for the second comparator.
7. Output (Pin 7): Output for the second comparator.
8. GND (Pin 8): Ground connection.
The LM393ST operates in a wide voltage range and is commonly used for signal comparison in various applications, including voltage level detection and waveform shaping.

Manufacturer

The LM393ST is manufactured by Texas Instruments (TI), a leading semiconductor company based in the United States. Texas Instruments specializes in designing and manufacturing a wide range of analog, digital, and embedded processing solutions. The company is well-known for its contributions to the electronics industry, particularly in the areas of integrated circuits, microcontrollers, and analog signal processing. TI serves various markets, including automotive, industrial, communications, and consumer electronics. Established in 1930, Texas Instruments has a strong reputation for innovation and quality in the semiconductor space.

Application

The LM393ST is a dual comparator used in various applications, including voltage level detection, analog signal processing, zero-crossing detection, and as a Schmitt trigger. It is commonly utilized in sensor interfaces, temperature measurement circuits, and automotive systems for comparing voltage levels. Its low power consumption makes it suitable for battery-operated devices and portable applications.

Equivalent

Equivalent products to the LM393ST chip, a dual comparator, include the LM2901, LM339, and TLV comparator series. Other alternatives can be the MCP6541, MCP6542, and the TLC3702. Check specific datasheets for precise specifications and pin configurations, as they may vary.

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