LM2901N/PB

Product Overview

Category: Integrated Circuits (ICs)

Use: LM2901N/PB is a quad differential comparator designed for use in industrial, automotive, and consumer applications. It is commonly used to compare voltages and determine the difference between two input signals.

Characteristics: - Quad differential comparator - Low input offset voltage - Wide supply voltage range - High output sink current capability - Low output saturation voltage - Available in various package options

Package: LM2901N/PB is available in a PDIP (Plastic Dual In-line Package) with 14 pins. The package provides protection and easy handling of the integrated circuit.

Essence: The essence of LM2901N/PB lies in its ability to accurately compare voltages and provide a digital output based on the comparison result.

Packaging/Quantity: LM2901N/PB is typically packaged in tubes or reels, with each tube/reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 25nA (maximum)
• Output Sink Current: 16mA (typical)
• Output Saturation Voltage: 250mV (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

LM2901N/PB has a total of 14 pins arranged as follows:

```

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| | --| IN+ OUT |-- Pin 1 --| IN- VCC |-- Pin 2 --| REF GND |-- Pin 3 --| OUT IN- |-- Pin 4 --| VCC IN+ |-- Pin 5 --| GND REF |-- Pin 6 --| IN- OUT |-- Pin 7 --| IN+ VCC |-- Pin 8 --| GND REF |-- Pin 9 --| VCC IN+ |-- Pin 10 --| OUT IN- |-- Pin 11 --| REF GND |-- Pin 12 --| IN- OUT |-- Pin 13 --| IN+ VCC |-- Pin 14 |___________| ```

Functional Features

1. Quad Differential Comparator: LM2901N/PB is equipped with four independent comparators, allowing simultaneous comparison of multiple input signals.

2. Low Input Offset Voltage: The IC has a low input offset voltage, ensuring accurate voltage comparison even for small input differentials.

3. Wide Supply Voltage Range: With a supply voltage range of 2V to 36V, LM2901N/PB can be used in various applications with different power supply configurations.

4. High Output Sink Current Capability: The IC can sink up to 16mA of output current, making it suitable for driving various loads.

5. Low Output Saturation Voltage: LM2901N/PB exhibits low output saturation voltage, minimizing power dissipation and improving overall efficiency.

Advantages and Disadvantages

Advantages: - Accurate voltage comparison - Wide supply voltage range - High output sink current capability - Low power dissipation - Easy to handle PDIP package

Disadvantages: - Limited number of comparators (four in total) - Not suitable for high-speed applications

Working Principles

LM2901N/PB works based on the principle of voltage comparison. It compares the voltages applied to its input pins and provides a digital output based on the comparison result. The output is typically in the form of a logic high or low signal, indicating whether the voltage at the non-inverting input is higher or lower than the voltage at the inverting input.

Detailed Application Field Plans

LM2901N/PB finds applications in various fields, including:

1. Industrial Control Systems: It can be used in industrial control systems to compare sensor voltages and trigger appropriate actions based on the comparison results.

2. Automotive Electronics: LM2901N/PB is suitable for automotive electronics applications such as battery voltage monitoring, motor control, and fault detection.

3. Consumer Electronics: It can be utilized in consumer electronics devices for tasks like audio level detection, power supply monitoring, and signal conditioning.

4. Power Management: LM2901N/PB can be employed in power management circuits to monitor and control voltage levels, ensuring efficient power distribution.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LM2901N/PB are:

1. LM339: Quad differential comparator with similar specifications and pin configuration.
2. LM393: Dual differential comparator with comparable