REF1004I-2.5/2K5

Product Overview

Category: Voltage Reference
Use: Precision voltage reference for electronic circuits
Characteristics: High accuracy, low temperature coefficient, low dropout voltage
Package: TO-92
Essence: Integrated circuit (IC)
Packaging/Quantity: Bulk packaging, 1000 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 12V
• Quiescent Current: 60µA

Detailed Pin Configuration

The REF1004I-2.5/2K5 voltage reference IC has three pins:

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

Functional Features

• High precision: The REF1004I-2.5/2K5 provides a highly accurate output voltage of 2.5V with an initial accuracy of ±0.1%.
• Low temperature coefficient: It exhibits a low temperature coefficient of 50ppm/°C, ensuring stable performance over a wide temperature range.
• Low dropout voltage: With a dropout voltage of only 200mV, it can operate efficiently even with low input voltages.
• Low quiescent current: The IC consumes a mere 60µA of quiescent current, making it suitable for power-sensitive applications.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low temperature coefficient ensures reliable performance in varying temperatures - Low dropout voltage allows operation with low input voltages - Low quiescent current for power-efficient applications

Disadvantages: - Limited output voltage options (only 2.5V in this model) - Restricted supply voltage range (2.7V to 12V)

Working Principles

The REF1004I-2.5/2K5 is a precision voltage reference IC that generates a stable and accurate output voltage of 2.5V. It utilizes internal circuitry to maintain the desired voltage regardless of changes in input voltage or temperature. The IC operates by comparing the reference voltage with an internal bandgap voltage, ensuring precise output voltage regulation.

Detailed Application Field Plans

The REF1004I-2.5/2K5 is widely used in various electronic circuits where a stable and accurate voltage reference is required. Some common application fields include:

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

Detailed and Complete Alternative Models

1. REF102AP: 10V Precision Voltage Reference
2. REF3030AIDBZT: 3V Precision Voltage Reference
3. LT6654BIS6-2.5#TRMPBF: 2.5V Precision Voltage Reference
4. MAX6190AESA+: 2.048V Precision Voltage Reference
5. LM4040CIM3-2.5/NOPB: 2.5V Precision Micropower Shunt Voltage Reference

These alternative models offer different output voltages and specifications, providing flexibility for various application requirements.

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