LM2901DR

Product Overview

Category: Integrated Circuits (ICs)

Use: LM2901DR is a quad voltage comparator that operates from a single power supply. It is designed to compare two voltages and provide a digital output indicating the larger voltage.

Characteristics: - Quad voltage comparator - Single power supply operation - Low input bias current - Low input offset voltage - Wide range of operating voltage

Package: SOIC-14

Essence: LM2901DR is an essential component in electronic circuits where voltage comparison is required.

Packaging/Quantity: LM2901DR is available in reels, with 2500 units per reel.

Specifications

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

Pin Configuration

LM2901DR has a total of 14 pins arranged as follows:

___________ VCC | 1 14 | GND IN1 | 2 13 | OUT1 IN2 | 3 12 | OUT2 IN3 | 4 11 | OUT3 IN4 | 5 10 | OUT4 N/C | 6 9 | N/C N/C | 7 8 | N/C ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Quad voltage comparator allows for simultaneous comparison of multiple voltages.
• Single power supply operation simplifies circuit design.
• Low input bias current minimizes the impact on the compared voltages.
• Wide range of operating voltage makes it suitable for various applications.

Advantages and Disadvantages

Advantages: - High accuracy in voltage comparison - Low power consumption - Compact size - Wide operating temperature range

Disadvantages: - Limited number of comparators (4 in this case) - Not suitable for high-frequency applications

Working Principles

LM2901DR compares the voltages applied to its input pins and produces a digital output based on the comparison result. The comparator uses internal circuitry to amplify and compare the input voltages, and then generates a logic-level output signal indicating which voltage is higher.

Detailed Application Field Plans

LM2901DR finds applications in various fields, including: 1. Battery management systems 2. Power supply monitoring 3. Motor control circuits 4. Signal conditioning circuits 5. Threshold detection circuits

Detailed and Complete Alternative Models

Some alternative models to LM2901DR are: 1. LM339N 2. LM311N 3. LM393N 4. LM324N

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, LM2901DR is a quad voltage comparator that provides accurate voltage comparison in electronic circuits. Its compact size, low power consumption, and wide operating temperature range make it suitable for various applications. However, it has limitations in terms of the number of comparators and high-frequency applications.