SPX431AM1-L/TR

Product Overview

Category

SPX431AM1-L/TR belongs to the category of voltage references.

Use

It is primarily used as a precision voltage reference in various electronic circuits.

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Low output noise
• Wide operating temperature range

Package

The SPX431AM1-L/TR is available in a small surface mount package, making it suitable for compact designs.

Essence

The essence of SPX431AM1-L/TR lies in its ability to provide a precise and stable voltage reference, ensuring accurate operation of electronic circuits.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 12V
• Output Current: 10mA

Detailed Pin Configuration

The SPX431AM1-L/TR has three pins:

1. VOUT: Output voltage pin
2. VIN: Input voltage pin
3. GND: Ground pin

Functional Features

• Precise and stable output voltage
• Low power consumption
• Short-circuit protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Low output noise reduces interference in sensitive applications.
• Wide operating temperature range allows usage in extreme environments.

Disadvantages

• Limited output current may restrict its use in high-power applications.
• Requires an external bypass capacitor for optimal performance.

Working Principles

The SPX431AM1-L/TR utilizes a bandgap voltage reference circuit to generate a precise and stable output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor.

Detailed Application Field Plans

SPX431AM1-L/TR finds applications in various electronic systems, including:

1. Precision measurement instruments
2. Data acquisition systems
3. Voltage regulators
4. Analog-to-digital converters
5. Battery management systems

Detailed and Complete Alternative Models

1. LM4040-N: Precision Shunt Voltage Reference
2. MAX6190: Low-Power, Low-Drift Voltage Reference
3. REF5025: Precision Voltage Reference with Integrated Amplifier
4. LT6656: Ultralow Noise Precision Voltage Reference

These alternative models offer similar functionality and can be considered as substitutes for SPX431AM1-L/TR in different applications.

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