LM293ADGKR

Product Overview

Category: Integrated Circuit (IC)

Use: The LM293ADGKR is a dual voltage comparator designed for use in various applications that require precision voltage comparisons. It is commonly used in electronic circuits to compare two input voltages and provide a digital output based on the comparison result.

Characteristics: - Dual voltage comparator - Low input offset voltage - Wide supply voltage range - Rail-to-rail output swing capability - Low quiescent current - High-speed response time

Package: The LM293ADGKR is available in a small SOT-23 package, which is a surface-mount package with three pins.

Essence: The essence of the LM293ADGKR lies in its ability to accurately compare two input voltages and provide a reliable digital output based on the comparison result.

Packaging/Quantity: The LM293ADGKR is typically packaged in reels containing 3000 units per reel.

Specifications

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

Pin Configuration

The LM293ADGKR has a total of three pins:

1. Non-Inverting Input (Pin 1)
2. Inverting Input (Pin 2)
3. Output (Pin 3)

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| | --| Pin 1 | --| Non-In | --| verting | --| Input | |___________| | | --| Pin 2 | --| Inverting | --| Input | |___________| | | --| Pin 3 | --| Output | |___________| ```

Functional Features

• Dual voltage comparator allows for simultaneous comparison of two input voltages.
• Low input offset voltage ensures accurate and precise comparisons.
• Wide supply voltage range enables compatibility with various power sources.
• Rail-to-rail output swing capability provides a wide dynamic range for the output signal.
• Low quiescent current minimizes power consumption.
• High-speed response time allows for quick voltage comparisons.

Advantages and Disadvantages

Advantages: - Accurate voltage comparisons - Wide supply voltage range - Low power consumption - Fast response time

Disadvantages: - Limited number of pins for additional functionalities - SOT-23 package may require surface-mount soldering expertise

Working Principles

The LM293ADGKR works by comparing the voltages applied to its non-inverting and inverting inputs. When the voltage at the non-inverting input is higher than the voltage at the inverting input, the output goes high. Conversely, when the voltage at the inverting input is higher, the output goes low. This behavior allows the LM293ADGKR to provide a digital output based on the voltage comparison result.

Application Field Plans

The LM293ADGKR finds applications in various fields where precise voltage comparisons are required. Some potential application areas include: 1. Battery management systems 2. Power supply monitoring 3. Motor control circuits 4. Signal conditioning circuits 5. Threshold detection circuits

Alternative Models

There are several alternative models available that offer similar functionality to the LM293ADGKR. Some popular alternatives include: 1. LM339 2. LM311 3. LM393 4. LM324 5. LM358

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, the LM293ADGKR is a dual voltage comparator IC that offers accurate voltage comparisons, wide supply voltage range, and low power consumption. Its small package and functional features make it suitable for various applications in different fields.