LMV393DR2G

Product Overview

Category: Integrated Circuits (ICs)

Use: LMV393DR2G is a dual low-voltage comparator designed for general-purpose applications. It is commonly used in various electronic circuits where voltage comparison is required.

Characteristics: - Low voltage operation - Low input bias current - Rail-to-rail input and output capability - Low propagation delay - Wide supply voltage range

Package: LMV393DR2G is available in a small outline package (SOIC) with 8 pins.

Essence: The essence of LMV393DR2G lies in its ability to accurately compare voltages and provide digital outputs based on the comparison results.

Packaging/Quantity: LMV393DR2G is typically sold in reels, with each reel containing 2500 units.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Offset Voltage: ±1 mV (maximum)
• Input Bias Current: 25 nA (maximum)
• Propagation Delay: 1.3 μs (typical)
• Output Current: 20 mA (maximum)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

LMV393DR2G has the following pin configuration:

___________ VCC | 1 8 | OUT B IN A | 2 7 | IN B GND | 3 6 | OUT A IN B | 4 5 | IN A ‾‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

1. Low Voltage Operation: LMV393DR2G operates at low supply voltages, making it suitable for battery-powered applications.

2. Low Input Bias Current: The comparator has low input bias current, minimizing the impact of input impedance on the circuit.

3. Rail-to-Rail Input and Output Capability: LMV393DR2G supports rail-to-rail input and output voltage range, allowing it to work with signals close to the supply rails.

4. Low Propagation Delay: The comparator exhibits a low propagation delay, enabling fast response in voltage comparison operations.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows flexibility in various applications. - Low input bias current reduces errors caused by input impedance. - Rail-to-rail capability enhances compatibility with different signal levels. - Fast propagation delay ensures quick response time.

Disadvantages: - Limited output current may restrict certain high-current applications. - Lack of built-in hysteresis may lead to oscillations or unstable behavior in some cases.

Working Principles

LMV393DR2G compares the voltage levels at its two input pins (IN A and IN B) and produces digital outputs based on the comparison results. When the voltage at IN A is higher than that at IN B, the output at OUT A goes high, while the output at OUT B remains low. Conversely, when the voltage at IN B is higher, OUT B goes high and OUT A goes low.

The comparator's operation relies on the internal differential amplifier and reference voltage. It amplifies the voltage difference between the inputs and compares it to the reference voltage. The resulting output state change depends on the relative magnitudes of the input voltages.

Detailed Application Field Plans

LMV393DR2G finds applications in various fields, including but not limited to: 1. Battery-powered devices 2. Voltage level detection circuits 3. Signal conditioning circuits 4. Motor control systems 5. Audio amplifiers 6. Sensor interfaces

Detailed and Complete Alternative Models

1. LMV339DR2G: Quad low-voltage comparator with similar characteristics and pin configuration.
2. LM393DR2G: Dual general-purpose voltage comparator with wider supply voltage range.
3. LM311DR2G: Single high-speed differential comparator with adjustable hysteresis.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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