MAX6381XR27D3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low Dropout, Precision, Adjustable Output
• Package: SOT23-3
• Essence: This IC provides a precise voltage reference for various applications.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Output Voltage: 2.7V
• Input Voltage Range: 2.5V to 6.5V
• Dropout Voltage: 200mV at 10mA load current
• Initial Accuracy: ±0.5%
• Temperature Coefficient: 50ppm/°C
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX6381XR27D3+T has three pins in the SOT23-3 package:

1. GND: Ground connection
2. OUT: Output voltage reference
3. IN: Input voltage supply

Functional Features

• Provides a stable and precise output voltage reference
• Low dropout voltage allows operation with low input voltages
• Adjustable output voltage through external resistors
• Low quiescent current for power-saving applications
• Wide operating temperature range for various environments

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low dropout voltage enables efficient operation
• Adjustable output voltage for flexibility
• Small package size for space-constrained designs
• Wide operating temperature range for versatile applications

Disadvantages

• Limited output voltage options (fixed at 2.7V)
• Requires external resistors for adjustable output

Working Principles

The MAX6381XR27D3+T is a voltage reference IC that generates a stable and precise output voltage of 2.7V. It operates with an input voltage range of 2.5V to 6.5V, making it suitable for various power supply configurations. The IC utilizes a bandgap voltage reference circuit to achieve high accuracy and low temperature coefficient.

The output voltage can be adjusted by connecting external resistors to the ADJ pin. This feature allows customization of the reference voltage according to specific application requirements. The low dropout voltage ensures efficient operation even with low input voltages, minimizing power dissipation.

Detailed Application Field Plans

The MAX6381XR27D3+T finds applications in various fields where a stable and precise voltage reference is required. Some potential application areas include:

1. Power Management: Voltage references are essential in power management circuits to ensure accurate voltage regulation and control.
2. Analog-to-Digital Conversion: Precise voltage references are crucial for achieving accurate analog-to-digital conversion in measurement and sensing systems.
3. Sensor Calibration: Many sensors require a stable reference voltage for calibration purposes, such as temperature sensors, pressure sensors, and light sensors.
4. Battery-Powered Devices: The low dropout voltage and low quiescent current make this IC suitable for battery-powered devices that require efficient power utilization.

Detailed and Complete Alternative Models

• MAX6381XR27D5+T: Similar to MAX6381XR27D3+T but with a different package (SOT23-5) and higher initial accuracy (±0.25%).
• MAX6381XR27D2+T: Similar to MAX6381XR27D3+T but with a different package (SOT23-3) and lower initial accuracy (±1%).

These alternative models provide options with varying specifications and package sizes to cater to different design requirements.

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