LM2903AL1-SR

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LM2903AL1-SR

GENERAL PURPOSE COMPARATOR, OPEN

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  • Mfr. Partie #LM2903AL1-SR
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Spécifications

Part Status Active
Type Differential
Number of Elements 2
Output Type Open-Collector, CMOS, TTL
Voltage - Supply, Single/Dual (±) 2.5V ~ 36V
Voltage - Input Offset (Max) 6mV @ 5V
Current - Input Bias (Max) 0.001µA @ 5V
Current - Output (Typ) 10mA
Current - Quiescent (Max) 300µA
Operating Temperature -40°C ~ 125°C
Package / Case 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-SOP

Vue d'ensemble

Description

The LM2903AL1-SR is a dual comparator integrated circuit (IC) designed for various applications such as signal conditioning, voltage level detection, and waveform shaping. It operates with a wide supply voltage range of 2 to 36 volts, making it versatile for both single and dual power supply configurations.
This IC features a low input offset voltage, typically around 2mV, ensuring accurate comparisons between input signals. Its output stage is capable of driving TTL and CMOS compatible loads, enhancing its flexibility in different circuit designs. The LM2903AL1-SR can operate at temperatures ranging from -40°C to +125°C, making it suitable for industrial and automotive applications.
The dual comparator design allows for simultaneous comparisons, simplifying circuit design for applications requiring multiple thresholds. Overall, the LM2903AL1-SR is a reliable, cost-effective solution for various electronic applications where precise voltage comparison is essential.

Features

The LM2903AL1-SR is a dual comparator integrated circuit designed for various applications, including analog signal processing. Key features include:
1. Dual Comparators: Contains two independent voltage comparators, allowing for simultaneous comparison tasks.
2. Wide Supply Voltage Range: Operates within 2V to 36V (single supply) or ±1V to ±18V (dual supply).
3. Low Input Offset Voltage: Typically around 2mV, ensuring accurate comparisons.
4. High Speed: Fast response time with a typical propagation delay of 300ns at 5V.
5. Open-Collector Output: Allows for wired-AND configurations, enhancing circuit versatility.
6. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
7. Temperature Range: Operates effectively from -40°C to +125°C, suitable for automotive and industrial applications.
8. Functionality: Ideal for voltage level detection, zero-crossing detection, and signal conditioning.
These features make the LM2903AL1-SR a popular choice in various electronic circuits requiring precise and reliable voltage comparisons.

Package

The LM2903AL1-SR is packaged in a surface-mount, 8-pin SOIC (Small Outline Integrated Circuit) format.

Pinout

The LM2903AL1-SR is a dual comparator integrated circuit. It features a pin count of 8 pins. The primary function of the LM2903AL1-SR is to compare two voltages and output a digital signal indicating which voltage is higher.
The pin configuration is as follows:
1. Input A - Non-inverting input for comparator 1.
2. Input B - Inverting input for comparator 1.
3. Output A - Output for comparator 1.
4. V- - Negative power supply (ground).
5. Input C - Non-inverting input for comparator 2.
6. Input D - Inverting input for comparator 2.
7. Output B - Output for comparator 2.
8. V+ - Positive power supply.
The LM2903AL1-SR operates with a voltage range of 2 to 36 V, making it versatile for various applications, including signal conditioning, level detection, and voltage comparisons.

Manufacturer

The LM2903AL1-SR is manufactured by Texas Instruments, Inc. Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. Founded in 1930, TI designs and manufactures a wide range of semiconductor products, including analog, embedded processing, and digital signal processing devices. The company serves various markets, including automotive, industrial, personal electronics, communications, and computing.
TI is known for its innovation in analog technology and has been a key player in the semiconductor industry, developing products that enhance energy efficiency and connectivity. The LM2903 is a dual comparator integrated circuit (IC) used in various applications, such as signal conditioning, data acquisition, and automotive systems.

Application

The LM2903AL1-SR is a dual comparator used in various application areas, including voltage level detection, signal conditioning, zero-crossing detectors, and oscillators. It is commonly employed in automotive systems, industrial automation, and consumer electronics for tasks such as over-voltage protection, switching applications, and waveform shaping. Its low power consumption and wide supply voltage range make it suitable for battery-operated devices and low-power circuits.

Equivalent

Equivalent products to the LM2903AL1-SR chip include the LM393, LM2903, and LM358. Other alternatives may include the MCP602 and TLV3701, depending on specific application requirements such as supply voltage, package type, and performance characteristics. Always verify the datasheet for compatibility.

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