LM2903AVQDR

Product Overview

Category

LM2903AVQDR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage comparator in various electronic applications.

Characteristics

• Low input offset voltage
• Low input bias current
• Wide supply voltage range
• High output sink current capability
• Low propagation delay
• Rail-to-rail input and output operation

Package

LM2903AVQDR is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of LM2903AVQDR lies in its ability to compare two input voltages and provide an output based on their relative magnitudes.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of LM2903AVQDR ICs.

Specifications

• Input Offset Voltage: ±2 mV
• Input Bias Current: ±25 nA
• Supply Voltage Range: 2 V to 36 V
• Output Sink Current: 20 mA
• Propagation Delay: 1.3 μs
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LM2903AVQDR has the following pin configuration:

1. Inverting Input (V-)
2. Non-Inverting Input (V+)
3. Output (OUT)
4. Ground (GND)
5. Not Connected (NC)
6. Not Connected (NC)
7. Not Connected (NC)
8. Positive Supply Voltage (VCC+)

Functional Features

LM2903AVQDR offers the following functional features:

• Differential input voltage range
• Open collector output
• Internal frequency compensation
• ESD protection for all pins
• Low power consumption

Advantages and Disadvantages

Advantages

• Low input offset voltage ensures accurate comparisons
• Wide supply voltage range allows for versatile applications
• Rail-to-rail operation enhances compatibility with various signal levels
• High output sink current capability enables driving of external loads

Disadvantages

• Limited output current sourcing capability
• Not suitable for high-frequency applications due to limited bandwidth

Working Principles

LM2903AVQDR operates based on the principle of comparing two input voltages. It amplifies the voltage difference between the inputs and produces an output that indicates which input is larger.

Detailed Application Field Plans

LM2903AVQDR finds applications in various fields, including:

1. Battery management systems
2. Motor control circuits
3. Power supply monitoring
4. Signal conditioning circuits
5. Audio amplifiers
6. Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to LM2903AVQDR are:

1. LM393
2. LM311
3. LM339
4. LM324
5. TLV3501
6. MAX9021

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

Word count: 346 words