LM285BXMX-2.5/NOPB

Product Overview

Category

The LM285BXMX-2.5/NOPB 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
• Wide operating temperature range
• Low power consumption

Package

The LM285BXMX-2.5/NOPB comes in a small SOT-23 package, which is suitable for surface mount applications.

Essence

This product serves as a reliable and precise voltage reference, ensuring consistent and accurate voltage levels in electronic systems.

Packaging/Quantity

The LM285BXMX-2.5/NOPB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±1%
• Temperature Coefficient: 50ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 40V
• Quiescent Current: 120µA

Detailed Pin Configuration

The LM285BXMX-2.5/NOPB has three pins:

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

Functional Features

• Precise and stable output voltage
• Low power consumption
• Wide operating temperature range
• Good line and load regulation
• Short circuit protection

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance.
• Low temperature coefficient minimizes voltage variations with temperature changes.
• Small package size allows for space-saving designs.
• Wide operating temperature range makes it suitable for various environments.

Disadvantages

• Limited output voltage options (fixed at 2.5V).
• Relatively higher initial accuracy compared to some other voltage references.
• Not suitable for applications requiring adjustable output voltage.

Working Principles

The LM285BXMX-2.5/NOPB utilizes a bandgap reference circuit to generate a stable and precise voltage reference. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant over a wide range of temperatures.

Detailed Application Field Plans

The LM285BXMX-2.5/NOPB finds applications in various electronic systems, including:

1. Power supply circuits: Provides a stable voltage reference for accurate regulation.
2. Analog-to-digital converters (ADCs): Ensures precise voltage levels for accurate conversion.
3. Sensor circuits: Maintains consistent voltage levels for reliable sensor readings.
4. Communication systems: Used as a reference voltage for signal conditioning and filtering circuits.
5. Industrial control systems: Provides a stable voltage reference for precise control and measurement.

Detailed and Complete Alternative Models

1. LM4040CIM3-2.5/NOPB: Similar voltage reference with a fixed output voltage of 2.5V.
2. LT1004CZ-2.5#PBF: Precision shunt voltage reference with an output voltage of 2.5V.
3. REF102CU: Precision voltage reference with a fixed output voltage of 2.5V and low temperature coefficient.

These alternative models offer similar functionality and characteristics to the LM285BXMX-2.5/NOPB, providing options for different design requirements.

In conclusion, the LM285BXMX-2.5/NOPB is a precision voltage reference with high accuracy, stability, and a wide operating temperature range. Its small package size and low power consumption make it suitable for various electronic applications. While it has some limitations, such as a fixed output voltage, it remains a reliable choice for circuits requiring precise voltage references.