LM2901PWRG3

Product Overview

Category: Integrated Circuits (ICs)

Use: LM2901PWRG3 is a quad, independent, high-gain, low-power voltage comparator designed to operate from a single power supply over a wide range of voltages. It is commonly used in applications that require analog signal comparisons, such as threshold detection, level shifting, and waveform generation.

Characteristics: - Quad independent comparators - Low input offset voltage - Low input bias current - Wide supply voltage range - Low output saturation voltage - Open collector outputs for easy interfacing - Available in surface mount package

Package: LM2901PWRG3 is available in a small outline package (SOIC) with 14 pins.

Essence: The essence of LM2901PWRG3 lies in its ability to compare two input voltages and provide a digital output based on the comparison result. It offers high accuracy, low power consumption, and versatile functionality, making it suitable for various electronic applications.

Packaging/Quantity: LM2901PWRG3 is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 25nA (maximum)
• Output Current: 20mA (maximum)
• Response Time: 1.3μs (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM2901PWRG3 has a total of 14 pins arranged as follows:

___________ NC |1 14| VCC IN1- |2 13| OUT1 IN1+ |3 12| OUT2 IN2- |4 LM2901PWRG3 11| OUT3 IN2+ |5 10| OUT4 GND |6 9| NC NC |7 8| NC -------------

Functional Features

• Quad independent comparators allow simultaneous comparison of multiple input signals.
• Low input offset voltage ensures accurate comparison results.
• Wide supply voltage range enables operation in various power supply configurations.
• Open collector outputs facilitate easy interfacing with other digital circuits.
• Low power consumption makes it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - High accuracy and precision in voltage comparisons. - Versatile functionality for a wide range of applications. - Low power consumption extends battery life in portable devices. - Easy integration with other digital circuits due to open collector outputs.

Disadvantages: - Limited output current capacity may restrict usage in high-power applications. - Sensitivity to noise and interference can affect the accuracy of comparisons.

Working Principles

LM2901PWRG3 operates based on the principle of comparing two input voltages. It internally amplifies the voltage difference between the inputs and provides a digital output based on the comparison result. The comparator's output switches to a logic low or high state depending on the relative magnitudes of the input voltages.

Detailed Application Field Plans

LM2901PWRG3 finds applications in various fields, including but not limited to: 1. Threshold detection circuits in sensor systems. 2. Level shifting circuits in analog-to-digital converters. 3. Waveform generation in function generators. 4. Overvoltage/undervoltage protection circuits in power supplies. 5. Signal conditioning circuits in audio amplifiers.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LM2901PWRG3 are: - LM339 - LM393 - LM311 - LM324

These models can be considered as alternatives based on specific application requirements and availability.

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