LM385BLP-2-5

Introduction

The LM385BLP-2-5 is a precision voltage reference belonging to the LM385 series of integrated circuits. This device serves as a reliable and accurate voltage reference for various electronic applications. In this entry, we will provide an overview of the LM385BLP-2-5, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Integrated Circuit
• Use: Precision Voltage Reference
• Characteristics: High accuracy, low temperature coefficient, low power consumption
• Package: TO-92 (3)
• Essence: Provides a stable voltage reference for precise electronic circuit operation
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 100ppm/°C
• Operating Temperature Range: -40°C to 85°C
• Supply Voltage: 16V maximum
• Quiescent Current: 60µA

Detailed Pin Configuration

The LM385BLP-2-5 is housed in a TO-92 package with three pins: 1. Pin 1: VOUT (Output Voltage) 2. Pin 2: NC (No Connection) 3. Pin 3: VIN (Input Voltage)

Functional Features

• Precise Voltage Reference: The LM385BLP-2-5 provides a stable 2.5V output voltage, ensuring accurate operation of connected circuits.
• Low Power Consumption: With a quiescent current of only 60µA, it minimizes power usage in battery-powered applications.
• Wide Operating Temperature Range: Capable of functioning in environments ranging from -40°C to 85°C, making it suitable for diverse operating conditions.

Advantages and Disadvantages

Advantages

• High Accuracy: Offers an initial accuracy of ±0.5%, ensuring reliable performance in precision applications.
• Low Temperature Coefficient: The 100ppm/°C temperature coefficient contributes to stable output voltage across varying temperatures.
• Small Form Factor: The TO-92 package enables easy integration into compact electronic designs.

Disadvantages

• Limited Output Voltage Options: The LM385BLP-2-5 is specifically designed for a 2.5V output, limiting its versatility in applications requiring different reference voltages.

Working Principles

The LM385BLP-2-5 operates based on the bandgap reference principle, utilizing temperature-dependent voltage characteristics to generate a stable output voltage. It employs internal circuitry to compensate for temperature variations, ensuring consistent performance across different thermal conditions.

Detailed Application Field Plans

The LM385BLP-2-5 finds extensive use in various electronic systems, including: - Precision Analog Circuits: Providing a stable voltage reference for analog-to-digital converters, operational amplifiers, and sensor interfaces. - Battery-Powered Devices: Ensuring accurate voltage regulation in portable electronics such as handheld instruments and medical devices. - Industrial Control Systems: Supporting precise voltage requirements in control and monitoring equipment for industrial automation.

Detailed and Complete Alternative Models

Several alternative models to the LM385BLP-2-5 include: - LM385Z-2.5: Similar 2.5V precision voltage reference in a TO-92 package, offering comparable performance characteristics. - LM4040AIM3-2.5/NOPB: SMD alternative with a 2.5V output voltage and enhanced temperature stability for surface-mount applications.

In conclusion, the LM385BLP-2-5 stands as a dependable precision voltage reference with high accuracy and low power consumption, catering to diverse electronic applications that demand stable voltage regulation.

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