LM2903P

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LM2903P

IC DUAL DIFF COMPARATOR 8-DIP

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規格

Package Tube
ProductStatus Active
Type Differential
NumberofElements 2
OutputType CMOS, MOS, Open-Drain, TTL
Voltage-SupplySingle/Dual(±) 2V ~ 36V, ±1V ~ 18V
Voltage-InputOffset(Max) 7mV @ 30V
Current-InputBias(Max) 0.25µA @ 5V
Current-Output(Typ) 20mA
Current-Quiescent(Max) 2.5mA
OperatingTemperature -40°C ~ 125°C
Package/Case 8-DIP (0.300, 7.62mm)
MountingType Through Hole

概述

Description

The LM2903P is a dual comparator integrated circuit (IC) designed for various analog signal processing applications. It features two independent comparators with open-collector outputs, allowing for easy interfacing with different voltage levels. The LM2903P operates over a wide supply voltage range, typically between 2V and 36V, making it versatile for low to high voltage applications.
Key specifications include a low input offset voltage, wide common-mode input voltage range, and fast response times, which make it suitable for applications like voltage level detection, zero-crossing detection, and oscillators. The open-collector output enables wired-AND configurations, enhancing its utility in multi-device systems.
The LM2903P is commonly used in automotive, industrial, and consumer electronics due to its reliability and performance in demanding environments. It is available in various package types, with the 'P' denoting the plastic DIP package, facilitating easy integration into circuit designs. Overall, the LM2903P is a robust choice for designers needing efficient analog signal comparison.

Features

The LM2903P is a dual comparator integrated circuit designed for various applications, including analog signal processing and switching. Key features include:
1. Dual Comparator: Contains two independent, high-gain, and differential voltage comparators in a single package.
2. Wide Supply Voltage Range: Operates from a single supply of 2V to 36V or dual supplies of ±1V to ±18V.
3. Low Input Offset Voltage: Typically around 2mV, enhancing accuracy in applications.
4. High Speed: Response time is approximately 200 ns at a 5mV overdrive.
5. Open-Collector Output: Allows for wired-AND configurations and easy interfacing with different voltage levels.
6. Low Power Consumption: Consumes low quiescent current, making it suitable for battery-powered devices.
7. Temperature Range: Rated for -40°C to +125°C, suitable for automotive and industrial applications.
8. Pin-Compatible: Compatible with LM393 for easy design transitions.
These features make the LM2903P versatile for applications in signal conditioning, level detection, and simple analog computations.

Package

The LM2903P is packaged in a dual in-line package (DIP-8) configuration. It is a dual comparator with open-collector outputs, designed for various applications in analog signal processing.

Pinout

The LM2903P is a dual comparator integrated circuit featuring a total of 8 pins. Here’s a concise breakdown of its pin configuration and functions:
1. Pin 1 (Output A): Output of Comparator A.
2. Pin 2 (Inverting Input A): Inverting input for Comparator A.
3. Pin 3 (Non-inverting Input A): Non-inverting input for Comparator A.
4. Pin 4 (Ground): Common ground connection.
5. Pin 5 (Non-inverting Input B): Non-inverting input for Comparator B.
6. Pin 6 (Inverting Input B): Inverting input for Comparator B.
7. Pin 7 (Output B): Output of Comparator B.
8. Pin 8 (V+ / Supply Voltage): Positive supply voltage connection.
The LM2903P is commonly used in applications requiring signal comparison, such as oscillators, level detectors, and window comparators. It operates with a wide supply voltage range and features low input offset voltage.

Manufacturer

The LM2903P is manufactured by Texas Instruments, Inc. (TI), a leading global semiconductor company. Founded in 1930 and headquartered in Dallas, Texas, Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor products. The company is particularly known for its innovations in analog electronics, embedded processors, and digital signal processing. TI serves various markets, including automotive, industrial, consumer electronics, and communications, providing solutions that enable improved performance and efficiency in electronic devices. The LM2903P is a dual comparator integrated circuit widely used in various electronic applications for its reliability and versatility.

Application

The LM2903P is a dual comparator used in various applications, including voltage level detection, zero-crossing detection, signal conditioning, and switching power supplies. It can also be employed in oscillators, waveform generators, and battery management systems for monitoring battery levels. Additionally, it's utilized in automotive systems for speed and temperature sensing, as well as in industrial automation for process control and fault detection.

Equivalent

Equivalent products to the LM2903P chip, a dual comparator, include the LM393, LM358, and TLV3702. These alternatives may vary in specifications such as supply voltage, speed, and input/output characteristics, so it's essential to check the datasheets for compatibility with your application.

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