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LM2903MX/NOPB

Name: LM2903MX/NOPB
Rating: 4.7 (12 reviews)

LM2903-N LOW OFFSET, DUAL DIFFER

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製造商。部分 #LM2903MX/NOPB
包 SOP8
資料表 LM2903MX/NOPB DataSheet
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規格

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)	7mV @ 30V
Current-InputBias(Max)	0.25µA @ 5V
Current-Output(Typ)	16mA @ 5V
Current-Quiescent(Max)	2.5mA
OperatingTemperature	-40°C ~ 85°C
Package/Case	8-SOIC (0.154, 3.90mm Width)
MountingType	Surface Mount

概述

Description

The LM2903MX/NOPB is a dual comparator integrated circuit designed for a variety of applications. It features two independent high-gain voltage comparators that can operate with a single power supply ranging from 2 to 36 volts or dual supplies from ±1 to ±18 volts. The device is known for its low input offset voltage and high-speed operation, making it suitable for signal conditioning, level detection, and waveform shaping.
Key specifications include a wide supply voltage range, low power consumption, and the ability to operate at high-frequency signals. Its input can handle voltages down to the negative supply rail, allowing for versatile circuit designs. The LM2903MX/NOPB is housed in an 8-pin surface mount package, making it suitable for compact designs.
Its features, combined with its reliability, make the LM2903MX/NOPB an ideal choice for applications in automotive, industrial, and consumer electronics where precise voltage comparisons are necessary.

Features

The LM2903MX/NOPB is a dual comparator IC featuring the following key specifications:
1. Dual Comparator: Contains two independent, high-speed comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, allowing versatility in applications.
3. Low Input Offset Voltage: Typically 2mV, enhancing accuracy in signal comparison.
4. High Speed: Slew rate of 0.5V/µs, enabling fast response times.
5. Open-Collector Outputs: Allows easy interfacing with various logic levels and can be connected to common pull-up resistors.
6. Wide Operating Temperature Range: Rated for -40°C to +125°C, suitable for harsh environments.
7. Low Power Consumption: Minimal quiescent current (typically 1.5mA) for energy-efficient designs.
These features make the LM2903MX/NOPB ideal for applications in automotive, industrial, and consumer electronics where reliable signal processing is essential.

Package

The LM2903MX/NOPB is packaged in an SOIC-8 (Small Outline Integrated Circuit) form factor, which features eight pins and is designed for surface mounting.

Pinout

The LM2903MX/NOPB is a dual comparator integrated circuit that features a total of 8 pins. The pin configuration includes:
1. Non-inverting input (V+) for Comparator 1
2. Inverting input (V-) for Comparator 1
3. Output (OUT) for Comparator 1
4. Ground (GND)
5. Non-inverting input (V+) for Comparator 2
6. Inverting input (V-) for Comparator 2
7. Output (OUT) for Comparator 2
8. Supply Voltage (Vcc)
The primary function of the LM2903 is to compare two input voltage levels and output a high or low signal based on which input is greater. It operates over a wide voltage range, making it suitable for various applications in signal processing, analog-to-digital conversion, and other control systems. The LM2903 is designed for low power consumption and can function with a single supply voltage.

Manufacturer

The LM2903MX/NOPB is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments specializes in designing and producing semiconductors and various integrated circuits. The company is known for its innovation in analog and digital electronics, including operational amplifiers, microcontrollers, and DSPs (Digital Signal Processors). TI serves a diverse range of markets, including industrial, automotive, and consumer electronics, and is recognized for its commitment to quality and technology advancement in the semiconductor industry.

Application

The LM2903MX/NOPB is a dual comparator used in various applications including voltage level detection, oscillator circuits, pulse-width modulation, and signal conditioning. It is ideal for battery-operated devices due to its low power consumption. Common uses include temperature sensing, overcurrent detection, and as a part of feedback loops in control systems. The device's ability to operate with a wide supply voltage range enhances its versatility in automotive, industrial, and consumer electronics applications.

Equivalent

The LM2903MX/NOPB is a dual comparator. Equivalent products include:
1. LM393 (dual comparator)
2. MCP6561 (dual comparator with lower power)
3. TLV3701 (single comparator, low power)
4. LMV7219 (dual comparator, lower supply voltage)
These alternatives may vary in specifications like supply voltage, speed, and power consumption, so it's essential to check their datasheets for compatibility with your application.