LM393DR2G

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LM393DR2G

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COMPARATOR, DUAL, LOW OFFSET VOL

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk
ProductStatus Active
Type General Purpose
NumberofElements 2
OutputType CMOS, DTL, ECL, MOS, Open-Collector, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 5mV @ 30V
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

Tổng quan

Description

The LM393DR2G is a dual voltage comparator integrated circuit (IC) commonly used in electronic applications. It features two independent voltage comparators capable of operating from a single power supply or dual supplies. The IC is housed in a compact SOIC-8 package, suitable for surface-mount technology.
Key features of the LM393DR2G include low input offset voltage, low power consumption, and the ability to function over a wide range of power supply voltages, typically from 2 V to 36 V. This makes it versatile for various applications such as voltage sensing, level shifting, and pulse generation.
The LM393DR2G operates with an open-collector output, allowing multiple outputs to be connected in a wired-OR configuration. It is designed to interface directly with TTL and CMOS logic. This IC is popular in automotive, industrial, and consumer electronics due to its reliability and efficiency. It is often used in applications requiring accurate voltage monitoring and comparison with minimal power usage.

Equivalent

The LM393DR2G is a dual voltage comparator. Equivalent products include:
1. LM393P
2. LM393N
3. LM393D
4. LM358 (functionally similar, though typically used as an op-amp)
5. MC3302
6. TLV1702 (for low-voltage applications)
These components have similar functionalities but may vary in certain specifications like package type or voltage range, so always verify datasheet details before substituting.

Features

The LM393DR2G is a dual voltage comparator integrated circuit. Key features include:
1. Dual Comparator: Contains two independent voltage comparators in a single package.
2. Wide Supply Voltage Range: Operates from 2V to 36V, suitable for battery-operated devices and various applications.
3. Low Input Bias Current: Offers high precision and low power consumption.
4. Low Input Offset Voltage: Ensures accurate and reliable performance.
5. Wide Common-Mode Voltage Range: Works even with input voltages near ground level.
6. Open-Collector Output: Allows for wired AND connections and interfacing with logic systems of different voltage levels.
7. Low Power Consumption: Ideal for low-power and battery-powered designs.
8. Temperature Range: Operates across an industrial temperature range of -40°C to 85°C.
9. Compact Package: Available in an SOIC-8 package, saving space on PCBs.
These features make the LM393DR2G suitable for applications like zero-crossing detectors, pulse-width modulation, and analog-to-digital converters.

Pinout

The LM393DR2G is a dual voltage comparator integrated circuit with an 8-pin configuration. Here is a brief overview of its pin functions:
1. Pin 1 (OUT1): Output for comparator 1.
2. Pin 2 (IN1-): Inverting input for comparator 1.
3. Pin 3 (IN1+): Non-inverting input for comparator 1.
4. Pin 4 (GND): Ground connection.
5. Pin 5 (IN2+): Non-inverting input for comparator 2.
6. Pin 6 (IN2-): Inverting input for comparator 2.
7. Pin 7 (OUT2): Output for comparator 2.
8. Pin 8 (VCC): Positive power supply.
The LM393DR2G operates with a wide range of supply voltages and is commonly used in applications requiring comparison of voltages, such as zero-crossing detectors, voltage monitoring, and level shifting. It provides open-collector outputs, which allow several comparators to be connected to a single bus line.

Manufacturer

The LM393DR2G is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading supplier of semiconductor-based solutions, offering a comprehensive portfolio of energy-efficient power and signal management, logic, discrete, and custom devices. The company focuses on automotive, industrial, cloud power, and IoT (Internet of Things) applications, among others. They provide products and solutions that help customers address challenges in areas such as energy efficiency, safety, and environmentally-friendly technologies. Onsemi is recognized for its innovative approach and commitment to sustainability in the semiconductor industry.

Application

The LM393DR2G is a dual differential comparator commonly used in various applications. Key areas include:
1. Voltage Comparators: Used in circuits requiring comparison between two voltage levels.
2. Zero-Crossing Detectors: Identifies when an AC signal crosses zero voltage.
3. Oscillator Circuits: Supports waveform generation by acting as a timing component.
4. Analog-to-Digital Converters (ADC): Assists in converting analog signals to digital by comparing input signals.
5. Level Shifters: Used to interface circuits operating at different voltage levels.
6. Battery Management Systems: Monitors battery status and health by comparing voltage levels.
7. Sensor Interface Circuits: Converts sensor outputs to logical outputs for further processing.
These diverse applications highlight the component's versatility in electronic design.

Package

The LM393DR2G is a dual comparator IC in a surface-mount package type known as SOIC-8 (Small Outline Integrated Circuit with 8 leads). This compact package is suitable for automated assembly and offers ease of use in a variety of electronic applications.

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