AZ431LAZTR-G1

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - Low voltage reference - Adjustable output voltage - High accuracy and stability - Low temperature coefficient - Low quiescent current

Package: SOT-23-3

Essence: The AZ431LAZTR-G1 is a precision shunt regulator that provides a stable voltage reference. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: The AZ431LAZTR-G1 is available in a SOT-23-3 package, which contains one unit per package.

Specifications

• Reference Voltage Range: 1.24V to 6.0V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AZ431LAZTR-G1 has three pins:

1. REF: Reference voltage output pin.
2. ANODE: Anode connection of the internal shunt diode.
3. CATHODE: Cathode connection of the internal shunt diode.

Functional Features

• Adjustable Output Voltage: The AZ431LAZTR-G1 allows users to adjust the output voltage within the specified range according to their requirements.
• High Accuracy and Stability: It provides a highly accurate and stable reference voltage, ensuring precise performance in various applications.
• Low Temperature Coefficient: The low temperature coefficient ensures minimal voltage variation with changes in temperature.
• Low Quiescent Current: The device operates with low quiescent current, minimizing power consumption.

Advantages and Disadvantages

Advantages: - Precise voltage reference - Adjustable output voltage - High accuracy and stability - Low temperature coefficient - Low power consumption

Disadvantages: - Limited output current capability - Requires external components for proper operation

Working Principles

The AZ431LAZTR-G1 is based on the principle of a shunt regulator. It uses an internal shunt diode to maintain a stable reference voltage. By adjusting the feedback resistors connected to the REF pin, the output voltage can be set within the specified range.

Detailed Application Field Plans

The AZ431LAZTR-G1 finds applications in various electronic systems where a precise voltage reference is required. Some common application areas include:

1. Power Supply Regulation: It can be used as a voltage reference in power supply circuits to ensure stable and accurate output voltages.
2. Sensor Calibration: The device can be employed for calibrating sensors that require a precise reference voltage.
3. Analog-to-Digital Converters (ADCs): It is suitable for providing a stable reference voltage to ADCs, ensuring accurate conversion of analog signals.
4. Battery Management Systems: The AZ431LAZTR-G1 can be utilized in battery management systems to monitor and regulate battery voltages.

Detailed and Complete Alternative Models

Some alternative models to the AZ431LAZTR-G1 are:

1. TL431: A widely used adjustable precision shunt regulator with similar specifications.
2. LM4040: A precision voltage reference IC available in various voltage options.
3. LT1009: A low dropout voltage reference with high accuracy and stability.

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

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