MAX6349YLUT+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Reference
• Characteristics: Low Dropout, Precision, Low Quiescent Current
• Package: SOT-23-3
• Essence: Voltage reference with low dropout and high precision
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Output Voltage: 2.5V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6349YLUT+T has a SOT-23-3 package with the following pin configuration:

```

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| | --+----+-- 1| |3 |____| | | | | |__| GND ```

Pin 1: Ground (GND) Pin 2: Output (OUT) Pin 3: Input (IN)

Functional Features

• Low dropout voltage allows for efficient operation even with low input voltages.
• High precision ensures accurate output voltage.
• Low quiescent current minimizes power consumption.
• Wide operating temperature range enables usage in various environments.

Advantages and Disadvantages

Advantages: - Low dropout voltage enhances efficiency. - High precision guarantees accurate voltage reference. - Low quiescent current reduces power consumption. - Wide operating temperature range provides versatility.

Disadvantages: - Limited output voltage options (only 2.5V in this model). - SOT-23-3 package may not be suitable for all applications.

Working Principles

The MAX6349YLUT+T is a voltage reference IC that generates a stable output voltage of 2.5V. It operates with a low dropout voltage of 200mV, allowing it to function efficiently even when the input voltage is close to the desired output voltage. The initial accuracy of ±0.2% ensures precise voltage reference, while the temperature coefficient of 50ppm/°C maintains stability over a wide temperature range.

The IC requires an input voltage (IN) and provides a regulated output voltage (OUT). It achieves this by utilizing internal circuitry that compares the input voltage to a precision reference voltage. Any variations in the input voltage are compensated for, resulting in a stable and accurate output voltage.

Detailed Application Field Plans

The MAX6349YLUT+T is commonly used in various applications where a stable and precise voltage reference is required. Some potential application fields include:

1. Power Management: The IC can be used in power management circuits to provide a stable voltage reference for voltage regulators, ensuring consistent power supply to other components.
2. Analog-to-Digital Conversion: In analog-to-digital converters (ADCs), the MAX6349YLUT+T can serve as a voltage reference for accurate conversion of analog signals into digital data.
3. Sensor Calibration: Sensors often require a stable voltage reference to calibrate their output. The MAX6349YLUT+T can be employed in sensor calibration circuits to ensure accurate measurements.
4. Battery-Powered Devices: Due to its low quiescent current and low dropout voltage, the IC is suitable for battery-powered devices, extending battery life while maintaining stable voltage levels.

Detailed and Complete Alternative Models

• MAX6348: Similar to MAX6349 but with a different output voltage option (e.g., 1.8V).
• MAX6350: Similar to MAX6349 but with a different output voltage option (e.g., 3.3V).
• MAX6035: Voltage reference IC with higher initial accuracy and lower temperature coefficient.
• LT6654: Precision voltage reference IC with ultra-low noise performance.

Note: The above alternative models are just a few examples, and there are many other options available in the market.

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