LMV431ACM5

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage reference - Precision output voltage - Adjustable output voltage - Low quiescent current - Wide operating temperature range

Package: SOT-23-5

Essence: The LMV431ACM5 is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The LMV431ACM5 is available in a SOT-23-5 package, which contains 5 pins. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage Range: 1.24V to 6V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 80µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LMV431ACM5 has the following pin configuration:

```

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| | --| V- |-- --| V+ |-- --| OUT |-- --| NC |-- |____| ```

• V-: Negative input terminal
• V+: Positive input terminal
• OUT: Output terminal
• NC: No connection

Functional Features

• Adjustable Output Voltage: The LMV431ACM5 allows users to adjust the output voltage within the specified range according to their requirements.
• Low Quiescent Current: The IC consumes very low quiescent current, making it suitable for battery-powered applications.
• High Precision: The LMV431ACM5 offers high initial accuracy and low temperature coefficient, ensuring a stable and precise output voltage.
• Wide Operating Temperature Range: It can operate reliably in a wide temperature range, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Adjustable output voltage - Low quiescent current consumption - Wide operating temperature range

Disadvantages: - Limited output voltage range (1.24V to 6V) - Requires external components for certain applications

Working Principles

The LMV431ACM5 is based on the principle of bandgap voltage reference. It utilizes a combination of bipolar and CMOS technologies to provide a precise and stable output voltage. The internal circuitry compensates for temperature variations, ensuring accurate performance over a wide temperature range.

Detailed Application Field Plans

The LMV431ACM5 finds applications in various electronic systems that require a stable and accurate voltage reference. Some common application areas include:

1. Power Management: Voltage regulation and monitoring circuits in power supplies, battery chargers, and DC-DC converters.
2. Analog-to-Digital Conversion: As a reference voltage for ADCs, ensuring accurate conversion of analog signals.
3. Sensor Interface: Providing a stable reference voltage for sensor calibration and signal conditioning circuits.
4. Audio Systems: Precision biasing and level shifting in audio amplifiers and mixers.
5. Industrial Control Systems: Voltage references for control and monitoring circuits in industrial automation and process control.

Detailed and Complete Alternative Models

Some alternative models to the LMV431ACM5 are:

1. TL431: Similar voltage reference IC with adjustable output voltage and comparable specifications.
2. LT1004: Precision shunt voltage reference with a wider output voltage range and higher accuracy.
3. MAX6126: Ultra-low noise voltage reference with excellent long-term stability and low temperature coefficient.

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

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