MAX6381XR18D5+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: SOT23-5
• Essence: Provides a stable reference voltage for various electronic applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 1.8V
• Initial Accuracy: ±0.5%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6381XR18D5+T has a total of five pins:

1. GND: Ground connection
2. VOUT: Output voltage pin (1.8V)
3. BYP: Bypass capacitor connection for improved noise performance
4. SET: Connects an external resistor to adjust the output voltage
5. VIN: Input voltage pin

Functional Features

• High Precision: The MAX6381XR18D5+T provides a highly accurate output voltage of 1.8V with an initial accuracy of ±0.5%.
• Low Dropout Voltage: With a dropout voltage of only 200mV at 100mA, this voltage reference minimizes power dissipation.
• Low Quiescent Current: The device operates with a low quiescent current of 45µA, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High precision and stability - Low dropout voltage - Low quiescent current - Thermal shutdown protection

Disadvantages: - Limited output voltage options (only 1.8V in this model) - SOT23-5 package may require surface mount soldering expertise

Working Principles

The MAX6381XR18D5+T is a voltage reference IC that generates a stable 1.8V output voltage. It utilizes a bandgap voltage reference circuit to provide accurate and temperature-stable voltage references. The output voltage can be adjusted by connecting an external resistor to the SET pin.

Detailed Application Field Plans

The MAX6381XR18D5+T is commonly used in various electronic applications, including:

1. Power Management: Provides a stable reference voltage for power management ICs, ensuring accurate voltage regulation.
2. Analog-to-Digital Converters (ADC): Used as a reference voltage source for precise analog-to-digital conversions.
3. Sensor Interfaces: Provides a stable voltage reference for sensor interfaces, enhancing measurement accuracy.
4. Battery-Powered Devices: Suitable for low-power devices powered by batteries, thanks to its low quiescent current.

Detailed and Complete Alternative Models

1. MAX6381XR18D3+T: Output voltage of 1.8V, similar characteristics and package as MAX6381XR18D5+T.
2. MAX6381XR25D5+T: Output voltage of 2.5V, similar characteristics and package as MAX6381XR18D5+T.
3. MAX6381XR33D5+T: Output voltage of 3.3V, similar characteristics and package as MAX6381XR18D5+T.

These alternative models offer different output voltages while maintaining similar features and package options.

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