ADR425BR

Product Overview

Category: Voltage Reference
Use: Precision voltage reference for various applications
Characteristics: High accuracy, low temperature coefficient, low dropout voltage
Package: TO-92 package
Essence: Provides a stable and precise voltage reference for electronic circuits
Packaging/Quantity: Available in reels of 1000 units

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 300mV
• Supply Voltage Range: 3V to 18V
• Quiescent Current: 500µA

Detailed Pin Configuration

The ADR425BR has three pins:

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

Functional Features

• High accuracy and stability over a wide temperature range
• Low temperature coefficient ensures minimal output voltage drift with temperature variations
• Low dropout voltage allows operation with low input-output differentials
• Excellent line and load regulation characteristics
• Low quiescent current consumption for power-sensitive applications

Advantages

• Provides a precise and stable voltage reference for accurate circuit operation
• Wide supply voltage range allows compatibility with various power sources
• Compact TO-92 package enables easy integration into small-scale designs
• Low dropout voltage minimizes power dissipation and extends battery life

Disadvantages

• Limited output voltage options (only available in 2.5V)
• Higher initial cost compared to standard voltage references

Working Principles

The ADR425BR utilizes bandgap voltage reference technology to generate a stable and precise output voltage. It employs a combination of bipolar and CMOS technologies to achieve high accuracy and low temperature coefficient. The internal circuitry compensates for temperature variations, ensuring consistent performance across a wide range of operating conditions.

Detailed Application Field Plans

The ADR425BR is suitable for various applications that require a precise voltage reference. Some potential application fields include:

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

Detailed and Complete Alternative Models

1. ADR421BR: 1.25V output voltage, ±0.1% initial accuracy
2. ADR423BR: 2.048V output voltage, ±0.1% initial accuracy
3. ADR427BR: 4.096V output voltage, ±0.1% initial accuracy
4. ADR431BR: 5.0V output voltage, ±0.1% initial accuracy

These alternative models offer different output voltage options while maintaining the same high accuracy and characteristics as the ADR425BR.

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