MAX6331LUR+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low Dropout, Precision, Low Noise
• Package: SOT-23
• Essence: High-performance voltage reference for precision applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Voltage Output: 2.5V
• Initial Accuracy: ±0.02%
• Temperature Coefficient: 10ppm/°C
• Output Current: 20mA
• Dropout Voltage: 200mV
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 50µA

Detailed Pin Configuration

The MAX6331LUR+T is a 3-pin device with the following pin configuration:

1. VOUT: Voltage Output
2. GND: Ground
3. VIN: Supply Voltage Input

Functional Features

• High accuracy and stability over temperature and time
• Low dropout voltage ensures efficient operation
• Low noise output for precise measurements
• Wide supply voltage range allows flexibility in various applications
• Low quiescent current for power-saving operation

Advantages

• Excellent initial accuracy and temperature coefficient ensure reliable performance in precision applications
• Low dropout voltage minimizes power dissipation and extends battery life
• Low noise output enables accurate measurements in sensitive circuits
• Wide supply voltage range provides compatibility with different power sources
• Low quiescent current reduces power consumption and heat generation

Disadvantages

• Limited voltage output options (only 2.5V)
• Not suitable for high-current applications due to the maximum output current of 20mA

Working Principles

The MAX6331LUR+T is a voltage reference IC that generates a stable and precise output voltage of 2.5V. It utilizes a bandgap voltage reference circuit to achieve high accuracy and stability over temperature and time. The device operates with a low dropout voltage, allowing it to regulate the output voltage even when the input supply voltage is close to the desired output voltage. This feature ensures efficient operation and minimizes power dissipation.

Detailed Application Field Plans

The MAX6331LUR+T is commonly used in various precision applications where a stable and accurate voltage reference is required. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs)
2. Digital-to-Analog Converters (DACs)
3. Voltage regulators
4. Sensor interfaces
5. Precision measurement equipment
6. Data acquisition systems
7. Battery-powered devices

Detailed and Complete Alternative Models

• MAX6325: 2.048V voltage reference with similar characteristics
• MAX6350: 5.0V voltage reference with similar characteristics
• MAX6190: Low-power voltage reference with lower initial accuracy but wider temperature range

These alternative models offer different voltage outputs and may have slight variations in specifications, but they serve similar purposes and can be suitable replacements for the MAX6331LUR+T in specific applications.

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