LM2901D

Product Overview

Category: Integrated Circuit (IC)

Use: LM2901D is a quad, independent, high-gain, low-power voltage comparator. It is designed to operate from a single power supply over a wide range of voltages.

Characteristics: - Quad independent comparators - Wide single supply voltage range: 2V to 36V - Low supply current drain: 0.8mA per comparator - Low input bias current: 25nA - Low input offset current: ±5nA - Low input offset voltage: ±1mV - Input common-mode voltage range includes ground - Differential input voltage range equal to the supply voltage - Output voltage compatible with TTL, DTL, ECL, MOS, and CMOS logic systems - ESD protection for output pins - Available in SOIC-14 package

Package: SOIC-14

Essence: The LM2901D is an essential component in electronic circuits that require voltage comparison. It provides accurate and reliable comparisons between two input voltages.

Packaging/Quantity: LM2901D is typically sold in reels or tubes containing 250 units.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: ±1mV
• Input Bias Current: 25nA
• Supply Current: 0.8mA per comparator
• Operating Temperature Range: -40°C to +125°C
• Output Current: 20mA
• Output Voltage Swing: 0V to Vcc-1.5V

Pin Configuration

The LM2901D IC has a total of 14 pins arranged as follows:

___________ | | NC --|1 14|-- Vcc IN1- --|2 13|-- OUT1 IN1+ --|3 12|-- IN4- GND --|4 11|-- IN4+ IN2- --|5 10|-- OUT4 IN2+ --|6 9|-- IN3- NC --|7 8|-- IN3+ |___________|

Functional Features

• Quad independent comparators allow for multiple voltage comparisons within a single IC.
• Wide single supply voltage range enables flexibility in various applications.
• Low supply current drain ensures power efficiency.
• Input common-mode voltage range includes ground, making it suitable for both single-ended and differential input signals.
• Output voltage is compatible with various logic systems, providing versatility in circuit design.
• ESD protection for output pins enhances the reliability of the IC.

Advantages and Disadvantages

Advantages: - High gain and accuracy in voltage comparison. - Wide operating voltage range. - Low power consumption. - Versatile compatibility with different logic systems. - ESD protection for output pins.

Disadvantages: - Limited output current capability (20mA). - Requires external components for specific applications.

Working Principles

The LM2901D operates by comparing the voltages applied to its input pins. It amplifies the voltage difference between the inputs and produces a digital output based on the comparison result. The output voltage level depends on the input voltage relationship, allowing for various logical operations.

Detailed Application Field Plans

The LM2901D finds applications in various fields, including but not limited to: 1. Battery management systems 2. Power supply monitoring and control 3. Signal conditioning circuits 4. Motor control circuits 5. Voltage level detection 6. Threshold detection circuits 7. Comparator-based oscillators

Alternative Models

Some alternative models to LM2901D include: - LM339 - LM393 - LM311 - LM324

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, the LM2901D is a versatile voltage comparator IC that provides accurate comparisons between input voltages. Its wide operating voltage range, low power consumption, and compatibility with various logic systems make it suitable for a wide range of applications.