LM393DR2GH

Product Overview

Category: Integrated Circuit (IC)

Use: LM393DR2GH is a dual differential comparator designed for use in automotive applications. It compares two input voltages and provides a digital output indicating the larger voltage.

Characteristics: - Dual differential comparator - Automotive-grade - Wide supply voltage range - Low power consumption - High-speed response - Temperature stability

Package: SOIC-8 (Small Outline Integrated Circuit)

Essence: The LM393DR2GH is an essential component in automotive electronics, providing voltage comparison functionality.

Packaging/Quantity: The LM393DR2GH is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: ±1mV
• Input Bias Current: ±25nA
• Response Time: 1.3μs
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM393DR2GH has a total of 8 pins arranged as follows:

```

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| | --| IN- OUT |-- Pin 1: Output --| IN+ GND |-- Pin 2: Ground --| VCC IN- |-- Pin 3: Inverting Input --| NC VCC |-- Pin 4: Positive Power Supply --| IN+ IN+ |-- Pin 5: Non-Inverting Input --| GND OUT |-- Pin 6: Output --| OUT IN- |-- Pin 7: Inverting Input --| GND VCC |-- Pin 8: Positive Power Supply |___________| ```

Functional Features

• Dual comparator allows simultaneous comparison of two input voltages
• Open-drain outputs for easy interfacing with other digital circuits
• Wide supply voltage range enables use in various automotive systems
• Low power consumption for energy-efficient operation
• High-speed response ensures quick voltage comparison

Advantages and Disadvantages

Advantages: - Automotive-grade reliability - Temperature stability for consistent performance in harsh environments - Versatile application possibilities due to wide supply voltage range - Low power consumption helps prolong battery life

Disadvantages: - Limited number of comparators (dual) compared to some other ICs - Not suitable for applications requiring high precision voltage comparison

Working Principles

The LM393DR2GH operates based on the principle of voltage comparison. It compares the voltages applied to its two input pins and produces a digital output signal indicating which voltage is larger. The open-drain outputs allow easy integration with other digital circuits.

Detailed Application Field Plans

The LM393DR2GH finds extensive use in automotive electronics, particularly in applications such as: 1. Battery voltage monitoring 2. Overvoltage/undervoltage protection 3. Current sensing and control 4. Speed control systems 5. Level detection and control

Alternative Models

Some alternative models that can be considered as replacements for the LM393DR2GH include: 1. LM339DR2G 2. LM2903DR2G 3. LM311DR2G 4. LM324DR2G

These alternatives offer similar functionality and characteristics, allowing flexibility in design choices.

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