LM2903AVQDRG4

Overview

Product Category: Integrated Circuits (ICs)

Use: LM2903AVQDRG4 is a dual differential comparator designed for use in automotive and industrial applications. It is commonly used to compare voltages and provide digital outputs based on the comparison results.

Characteristics: - Dual differential comparator - Wide operating voltage range - Low input bias current - Low output saturation voltage - High output sink current capability

Package: The LM2903AVQDRG4 is available in a small outline package (SOIC) with 8 pins.

Essence: The essence of LM2903AVQDRG4 lies in its ability to accurately compare voltages and provide reliable digital outputs, making it suitable for various automotive and industrial applications.

Packaging/Quantity: This product is typically sold in reels, with each reel containing 2500 units.

Specifications

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

Pin Configuration

The LM2903AVQDRG4 has 8 pins arranged as follows:

```

---

| | --| IN(-) 1|-- VCC+ --| IN(+) 2|-- OUT --| GND 3|-- IN(-) --| OUT 4|-- IN(+) --| VCC- 5|-- GND --| NC 6|-- NC |__________| ```

Functional Features

• Dual differential inputs for voltage comparison
• Open-drain output configuration
• Internal hysteresis for noise immunity
• Wide supply voltage range for versatility
• Low power consumption

Advantages and Disadvantages

Advantages: - Accurate voltage comparison - Suitable for automotive and industrial applications - Low power consumption - Wide operating voltage range

Disadvantages: - Limited output sink current capability - Not suitable for high-speed applications

Working Principles

The LM2903AVQDRG4 works by comparing the voltages applied to its two input pins (IN(-) and IN(+)). If the voltage at IN(+) is higher than the voltage at IN(-), the output pin (OUT) is pulled low. Conversely, if the voltage at IN(-) is higher, the output remains high. The internal hysteresis ensures stable switching and noise immunity.

Application Field Plans

The LM2903AVQDRG4 can be used in various applications, including: 1. Voltage monitoring and detection in automotive systems 2. Overcurrent protection circuits in industrial equipment 3. Battery management systems 4. Motor control circuits 5. Level sensing and control

Alternative Models

Some alternative models that offer similar functionality to LM2903AVQDRG4 are: 1. LM393 2. LM311 3. LM339 4. LM324 5. LM358

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

In conclusion, the LM2903AVQDRG4 is a dual differential comparator with wide application potential in the automotive and industrial sectors. Its accurate voltage comparison, low power consumption, and versatile operating voltage range make it a reliable choice for various circuit designs.