MAX6781LTA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: Low Dropout, High Accuracy
• Package: 8-Lead Thin SOT23
• Essence: Precision voltage reference with low dropout voltage and high accuracy
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 200mV at 100mA
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6781LTA+T has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. NC: No Connection
4. NC: No Connection
5. SHDN: Shutdown Control Input
6. NC: No Connection
7. VIN: Input Voltage
8. NC: No Connection

Functional Features

• Low dropout voltage allows for efficient power management.
• High accuracy ensures precise voltage references.
• Shutdown control input enables power-saving mode.
• Wide supply voltage range provides flexibility in various applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage minimizes power dissipation. - High accuracy guarantees precise voltage references. - Shutdown control feature enhances power efficiency. - Wide supply voltage range allows for versatile applications.

Disadvantages: - Limited output voltage options (only 2.5V). - Temperature coefficient may affect accuracy in extreme temperature conditions.

Working Principles

The MAX6781LTA+T is a precision voltage reference that generates a stable output voltage of 2.5V. It operates with a low dropout voltage, ensuring efficient power management. The device achieves high accuracy through its internal bandgap reference and trimming techniques.

The voltage reference is powered by an input voltage (VIN) within the range of 2.7V to 5.5V. The output voltage (VOUT) remains constant at 2.5V, even when the input voltage fluctuates. The MAX6781LTA+T also features a shutdown control input (SHDN), allowing the device to enter a low-power mode when not in use.

Detailed Application Field Plans

The MAX6781LTA+T is suitable for various applications that require a stable and accurate voltage reference. Some potential application fields include:

1. Power Management Systems: The low dropout voltage and high accuracy make it ideal for voltage regulation in power management circuits.
2. Analog-to-Digital Converters (ADCs): Precise voltage references are crucial for accurate ADC conversions, making the MAX6781LTA+T a suitable choice.
3. Battery-Powered Devices: The wide supply voltage range and low quiescent current make it suitable for battery-powered devices that require efficient power management.
4. Sensor Calibration: The high accuracy of the MAX6781LTA+T ensures precise calibration of sensors in various industries, such as automotive and industrial automation.

Detailed and Complete Alternative Models

1. MAX6190: Precision Voltage Reference, 2.5V Output, ±0.05% Initial Accuracy, SOT23 Package.
2. LT1236: Low Dropout Precision Voltage Reference, 2.5V Output, ±0.05% Initial Accuracy, SOT23 Package.
3. REF5025: High-Precision Voltage Reference, 2.5V Output, ±0.05% Initial Accuracy, SOT23 Package.

These alternative models offer similar specifications and features to the MAX6781LTA+T, providing options for different design requirements.

In conclusion, the MAX6781LTA+T is a precision voltage reference with low dropout voltage, high accuracy, and a wide supply voltage range. Its compact package and functional features make it suitable for various applications in power management, ADCs, battery-powered devices, and sensor calibration. Alternative models offer similar performance, allowing designers to choose the best fit for their specific needs.