LM2903YST

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LM2903YST

IC COMPARATOR 2 GEN PUR 8MINISO

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Spécifications

Part Status Active
Type General Purpose
Number of Elements 2
Output Type Open-Collector, Rail-to-Rail
Voltage - Supply, Single/Dual (±) 2V ~ 36V, ±1V ~ 18V
Voltage - Input Offset (Max) 7mV @ 5V
Current - Input Bias (Max) 0.25µA @ 5V
Current - Output (Typ) 16mA @ 5V
Current - Quiescent (Max) 2.5mA
Operating Temperature -40°C ~ 125°C
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-MiniSO
Base Product Number LM2903
Grade Automotive
Qualification AEC-Q100

Vue d'ensemble

Description

The LM2903YST is a dual comparator integrated circuit (IC) designed for use in various applications that require voltage comparison. It features two independent, high-speed comparators capable of comparing two input voltages and providing a digital output indicating which input is higher. The LM2903 operates with a wide supply voltage range of 2 to 36 volts and can function at temperatures from -40°C to +125°C, making it suitable for automotive and industrial applications.
Key specifications include low input offset voltage, high-speed response, and open-collector outputs, allowing for easy interfacing with other devices. The LM2903 is commonly used in analog-to-digital conversion, level detection, and signal conditioning applications. Its versatility, robustness, and ease of use make it a popular choice among engineers and designers in various electronic projects.

Features

The LM2903YST is a dual comparator integrated circuit designed for various applications requiring high-speed performance and low power consumption. Key features include:
1. Dual Comparators: Contains two independent, high-gain voltage comparators.
2. Wide Supply Voltage Range: Operates from a single supply voltage of 2V to 36V or dual supplies from ±1V to ±18V.
3. Low Input Offset Voltage: Typically 2 mV, enhancing accuracy.
4. High Speed: Response time is typically 300 ns at a 5V supply, making it suitable for fast signal processing.
5. Wide Input Common Mode Range: Allows for operation close to the supply rails.
6. Low Power Consumption: Draws minimal current, ideal for battery-operated devices.
7. Temperature Range: Operates within a temperature range of -40°C to +125°C, suitable for harsh environments.
The LM2903YST is commonly used in applications like voltage level detection, signal conditioning, and comparator circuits.

Package

The LM2903YST is packaged in a SOIC-8 (Small Outline Integrated Circuit) package. This surface-mount package type has eight pins and is designed for compact electronic applications.

Pinout

The LM2903YST is a dual comparator integrated circuit. It features a total of 8 pins. Here is the pin configuration and their functions:
1. Non-inverting Input (A) - Inputs for comparator A.
2. Inverting Input (A) - Inputs for comparator A.
3. Output (A) - Output for comparator A.
4. V- (Negative Supply) - Negative voltage supply terminal.
5. Output (B) - Output for comparator B.
6. Inverting Input (B) - Inputs for comparator B.
7. Non-inverting Input (B) - Inputs for comparator B.
8. V+ (Positive Supply) - Positive voltage supply terminal.
The LM2903 is designed for low-power applications and can operate with a wide range of supply voltages. It is commonly used in various applications such as voltage level detection, oscillators, and signal conditioning.

Manufacturer

The LM2903YST is manufactured by Texas Instruments, a leading global semiconductor company. Texas Instruments (TI) specializes in designing and manufacturing a wide range of semiconductor products, including analog and embedded processing chips. Founded in 1930, the company is known for its innovation in the electronics industry and provides solutions for various applications, including automotive, industrial, consumer electronics, and communication systems. TI is recognized for its commitment to research and development, producing high-quality, reliable components for engineers and manufacturers worldwide. The LM2903 is a dual comparator IC that is widely used in signal conditioning, voltage level detection, and various other electronic applications.

Application

The LM2903YST is a dual comparator used in various applications, including voltage level detection, zero-crossing detection, oscillators, and signal conditioning. It is employed in automotive systems for monitoring battery voltage, in industrial automation for process control, and in consumer electronics for switching and logic functions. Its low power consumption and wide supply voltage range make it suitable for portable devices and battery-operated applications.

Equivalent

The LM2903YST is a dual comparator. Equivalent products include the LM393, MCP6541, and LMV7219, as they serve similar functions in comparator applications. Always verify specific electrical characteristics and pin configurations when substituting components.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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