LM285LPRE3-1-2

Product Overview

Category

The LM285LPRE3-1-2 belongs to the category of voltage references.

Use

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

Characteristics

• High accuracy and stability
• Low temperature coefficient
• Wide operating voltage range
• Low power consumption

Package

The LM285LPRE3-1-2 is available in a small outline package (SOT-23) which allows for easy integration into circuit designs.

Essence

The essence of LM285LPRE3-1-2 lies in its ability to provide a stable and accurate voltage reference, ensuring precise operation of electronic systems.

Packaging/Quantity

The LM285LPRE3-1-2 is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Output Voltage: 1.225V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 100ppm/°C
• Operating Voltage Range: 2.7V to 40V
• Quiescent Current: 120µA

Detailed Pin Configuration

The LM285LPRE3-1-2 has three pins:

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

Functional Features

• Precise voltage reference: The LM285LPRE3-1-2 provides a stable output voltage of 1.225V, ensuring accurate voltage references in electronic circuits.
• Low temperature coefficient: With a low temperature coefficient of 100ppm/°C, the LM285LPRE3-1-2 maintains its accuracy over a wide temperature range.
• Wide operating voltage range: It can operate within a voltage range of 2.7V to 40V, making it suitable for a variety of applications.
• Low power consumption: The LM285LPRE3-1-2 consumes only 120µA of quiescent current, minimizing power consumption in battery-powered devices.

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure precise voltage references.
• Wide operating voltage range allows for versatile application.
• Low power consumption prolongs battery life.
• Small package size facilitates easy integration into circuit designs.

Disadvantages

• Limited output voltage options.
• Relatively higher initial accuracy compared to some other voltage references.

Working Principles

The LM285LPRE3-1-2 utilizes bandgap reference technology to generate a stable voltage reference. It employs a combination of temperature-compensated diodes and amplifiers to achieve accurate and stable output voltage regardless of temperature variations.

Detailed Application Field Plans

The LM285LPRE3-1-2 finds applications in various electronic systems where precise voltage references are required. Some common application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Power management circuits
5. Sensor interfaces
6. Precision measurement equipment

Detailed and Complete Alternative Models

1. LM4040: A series of precision voltage references with different output voltage options.
2. LT1021: High-precision voltage reference with low temperature coefficient.
3. REF5025: Ultra-high precision voltage reference with exceptional long-term stability.

These alternative models offer similar functionality and can be considered as substitutes for the LM285LPRE3-1-2 depending on specific requirements.

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