REF1004I-2.5

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - Output Voltage: 2.5V - Low Dropout Voltage - High Accuracy - Low Temperature Coefficient - Low Quiescent Current - Wide Operating Range

Package: TO-92

Essence: REF1004I-2.5 is a voltage reference IC that provides a stable and accurate output voltage of 2.5V. It is commonly used in various electronic circuits where a precise voltage reference is required.

Packaging/Quantity: REF1004I-2.5 is available in a TO-92 package, which is a small plastic package with three leads. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage: 2.5V ±1%
• Dropout Voltage: 0.5V (maximum)
• Temperature Coefficient: 50ppm/°C (maximum)
• Quiescent Current: 120µA (maximum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

REF1004I-2.5 has three pins:

1. VOUT: Output pin, connected to the load or circuit requiring a stable 2.5V reference voltage.
2. GND: Ground pin, connected to the common ground of the circuit.
3. VIN: Input pin, connected to the power supply voltage.

Functional Features

• High Accuracy: REF1004I-2.5 provides a highly accurate output voltage of 2.5V, ensuring precision in voltage-dependent applications.
• Low Dropout Voltage: The IC exhibits a low dropout voltage, minimizing power loss and enabling efficient operation.
• Low Temperature Coefficient: With a low temperature coefficient, the IC maintains stability over a wide temperature range.
• Low Quiescent Current: REF1004I-2.5 consumes minimal quiescent current, reducing power consumption in battery-powered applications.
• Wide Operating Range: The IC operates reliably within a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages: - Precise and stable output voltage - Low dropout voltage for efficient operation - Low temperature coefficient for temperature stability - Low quiescent current for reduced power consumption - Wide operating range for versatile applications

Disadvantages: - Limited to a fixed output voltage of 2.5V - Requires external components for proper operation

Working Principles

REF1004I-2.5 utilizes bandgap reference technology to generate a stable and accurate output voltage. It employs a combination of resistors, diodes, and amplifiers to create a voltage reference that remains relatively unaffected by temperature variations and supply voltage fluctuations.

Detailed Application Field Plans

REF1004I-2.5 finds application in various electronic systems where a precise voltage reference is crucial. Some common application fields include:

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

Detailed and Complete Alternative Models

1. REF102AP: 2.5V Precision Voltage Reference, TO-92 package
2. LT1004CZ-2.5: Precision Reference, 2.5V, TO-92 package
3. MAX6025AEUR-T: Micropower, Precision Series Voltage Reference, 2.5V, SOT-23 package
4. LM4040AIM3-2.5: Precision Micropower Shunt Voltage Reference, 2.5V, SOT-23 package

These alternative models offer similar functionality and voltage reference capabilities to REF1004I-2.5, providing options for different package types and manufacturers.

In conclusion, REF1004I-2.5 is a voltage reference IC that offers a stable and accurate output voltage of 2.5V. With its low dropout voltage, high accuracy, and wide operating range, it finds application in various electronic systems requiring precise voltage references. Alternative models provide flexibility in terms of package type and manufacturer choice.