MAX6138BEXR25+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: SOT23-3
• Essence: Provides a stable and accurate voltage reference for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6138BEXR25+T has three pins in the SOT23-3 package:

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

Functional Features

• High Precision: The MAX6138BEXR25+T offers an initial accuracy of ±0.1%, ensuring precise voltage references.
• Low Dropout Voltage: With a dropout voltage of only 200mV, it can operate efficiently even with low input voltages.
• Low Quiescent Current: The device consumes only 45µA of current, making it suitable for power-sensitive applications.

Advantages and Disadvantages

Advantages: - High precision ensures accurate voltage references. - Low dropout voltage allows operation with low input voltages. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited output voltage options (only 2.5V in this case). - SOT23-3 package may not be suitable for all applications requiring a voltage reference.

Working Principles

The MAX6138BEXR25+T is a bandgap voltage reference IC. It utilizes the temperature-dependent characteristics of semiconductor junctions to generate a stable and accurate output voltage. The internal circuitry compensates for temperature variations, ensuring consistent performance across a wide temperature range.

Detailed Application Field Plans

The MAX6138BEXR25+T is commonly used in various electronic applications that require a precise voltage reference. Some typical application fields include:

1. Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversion.
2. Digital-to-Analog Converters (DACs): Ensures precise output voltages during digital-to-analog conversion.
3. Voltage Regulators: Used as a reference for regulating output voltages.
4. Sensor Interfaces: Provides a stable voltage reference for sensor calibration and measurement.

Detailed and Complete Alternative Models

1. MAX6126AASA25+: Offers an output voltage of 2.5V with an initial accuracy of ±0.05%.
2. LT6654BIS6-2.5#PBF: Provides a 2.5V output voltage with an initial accuracy of ±0.025%.
3. REF5025AIDGKT: Offers a 2.5V output voltage with an initial accuracy of ±0.05%.

These alternative models provide similar functionality and can be considered based on specific requirements and preferences.

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