MAX6781LTB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Reference
• Characteristics: High precision, low dropout voltage, low quiescent current
• Package: Thin SOT23-6 package
• Essence: Provides a stable and accurate voltage reference for various applications
• Packaging/Quantity: Available in tape and reel packaging, 3000 units per reel

Specifications

• Voltage Output: 2.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: ±50ppm/°C
• Dropout Voltage: 200mV at 10mA load current
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 2.7V to 5.5V
• Output Current: 10mA

Pin Configuration

The MAX6781LTB+T has the following pin configuration:

```

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| | --| VOUT | --| GND | --| NC | --| VIN | --| NC | --| SHDN | |___________| ```

Functional Features

• High precision voltage reference with low dropout voltage
• Low quiescent current ensures power efficiency
• Shutdown mode (SHDN) for power-saving operation
• Stable output voltage over a wide temperature range
• Excellent line and load regulation

Advantages

• Accurate and stable voltage reference for precise measurements
• Low dropout voltage allows for efficient use in battery-powered devices
• Shutdown mode helps conserve power when not in use
• Small form factor package enables space-constrained designs

Disadvantages

• Limited output current may not be suitable for high-power applications
• Temperature coefficient could affect accuracy in extreme temperature conditions

Working Principles

The MAX6781LTB+T is a voltage reference IC that generates a stable and accurate 2.5V output voltage. It operates within an input voltage range of 2.7V to 5.5V and provides a maximum output current of 10mA. The device features low dropout voltage, ensuring efficient operation even with low input voltages.

The IC incorporates a precision bandgap reference circuit that maintains the output voltage stability over a wide temperature range. It also offers excellent line and load regulation, making it suitable for various applications requiring precise voltage references.

The MAX6781LTB+T includes a shutdown mode (SHDN) pin, which allows the user to disable the device when not in use, reducing power consumption. This feature is particularly useful in battery-powered devices where power efficiency is crucial.

Detailed Application Field Plans

The MAX6781LTB+T can be used in a wide range of applications, including:

1. Precision measurement instruments
2. Data acquisition systems
3. Portable medical devices
4. Battery-powered equipment
5. Industrial control systems
6. Automotive electronics
7. Communication devices

Its high precision, low dropout voltage, and low quiescent current make it ideal for applications that require accurate and stable voltage references.

Detailed and Complete Alternative Models

1. LT6654: Precision Voltage Reference with 0.05% initial accuracy and low temperature coefficient.
2. LM4040: Shunt-mode voltage reference with various output voltage options and low dynamic impedance.
3. REF5025: High-precision voltage reference with ultra-low noise and excellent long-term stability.

These alternative models offer similar functionality and can be considered as alternatives to the MAX6781LTB+T based on specific application requirements.

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