LM393DT

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LM393DT

IC COMPARATOR DUAL 0.4MA 8-SOIC

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規格

Package Tape & Reel (TR),Cut Tape (CT)
Series Signature
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) 2.5mA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
MountingType Surface Mount

概述

Description

The LM393DT is a dual voltage comparator integrated circuit (IC) designed for various applications, including signal conditioning, level sensing, and analog-to-digital conversion. It contains two independent, high-gain, and internally frequency-compensated voltage comparators. The LM393DT operates from a wide supply voltage range of 2V to 36V, making it suitable for battery-operated devices and various power supply configurations.
Key features include a low input offset voltage, high input impedance, and a fast response time. The outputs are open-collector, allowing for easy interfacing with different voltage levels and enabling wired-AND configurations. The LM393DT is commonly used in applications such as over-voltage detection, analog signal comparisons, and as a part of feedback loops in control systems.
Typically packaged in an 8-pin DIP or SOIC, it is widely available and cost-effective, making it a popular choice for hobbyists and professionals alike.

Features

The LM393DT is a dual comparator integrated circuit (IC) that offers several key features:
1. Dual Comparator: Contains two independent, high-speed comparators, allowing for multiple applications in a single package.
2. Wide Supply Voltage Range: Operates with a supply voltage ranging from 2V to 36V, making it versatile for various applications.
3. Low Supply Current: Typically consumes around 0.5 mA per comparator, ensuring efficiency in battery-powered devices.
4. High Input Impedance: Features high input impedance (up to 1 MΩ) which minimizes loading on the input signal.
5. Fast Response Time: Offers a typical response time of less than 1 µs, suitable for high-speed applications.
6. Open-Collector Output: Allows for wired-AND logic configurations, enhancing design flexibility.
7. Temperature Range: Operates over a temperature range of -40°C to +125°C, suitable for industrial applications.
8. Compatible with TTL: Outputs can easily interface with TTL logic levels.
These features make the LM393DT ideal for voltage comparison, level detection, and various signal processing applications.

Package

The LM393DT is typically packaged in a dual in-line package (DIP) format, specifically as a 8-pin DIP. It is commonly used in electronic circuits for voltage comparison applications.

Pinout

The LM393DT is a dual comparator integrated circuit, featuring a total of 8 pins. Here’s a brief overview of the pin configuration and functions:
1. Pin 1 (Output 1): Output of the first comparator (Comparator A).
2. Pin 2 (Inverting Input 1): Inverting input for Comparator A.
3. Pin 3 (Non-inverting Input 1): Non-inverting input for Comparator A.
4. Pin 4 (V- or Ground): Negative supply voltage or ground.
5. Pin 5 (Non-inverting Input 2): Non-inverting input for Comparator B.
6. Pin 6 (Inverting Input 2): Inverting input for Comparator B.
7. Pin 7 (Output 2): Output of the second comparator (Comparator B).
8. Pin 8 (V+ or Positive Supply): Positive supply voltage.
The LM393DT is widely used in applications where signal comparison is required, such as in voltage level detection, zero-crossing detectors, and other analog signal processing tasks.

Manufacturer

The LM393DT is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in the design and production of semiconductors and various integrated circuits, which are essential components in electronic devices. The company is known for its innovations in analog electronics, digital signal processing, and microcontrollers. TI serves a wide range of industries, including automotive, industrial, communications, and consumer electronics, providing solutions that enhance performance and efficiency in electronic systems. The LM393DT specifically is a dual comparator, widely used in various applications for comparing voltages and providing output signals based on their relationship.

Application

The LM393DT is a dual comparator used in various applications, including:
1. Voltage level detection
2. Signal conditioning
3. Analog-to-digital conversion
4. Zero-crossing detection
5. Oscillator circuits
6. Comparator-based relay drivers
7. Temperature sensing circuits
8. Battery voltage monitoring
Its versatility and low power consumption make it suitable for both industrial and consumer electronic devices.

Equivalent

The LM393DT is a dual comparator. Equivalent products include the LM2901, LM393, TLV3701, MCP6002, and OP07. Ensure to check specifications such as voltage range, output type, and packaging to confirm suitability for your application.

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