REF3012TB-GT3

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Wide operating temperature range

Package: SOT-23-3

Essence: The REF3012TB-GT3 is a voltage reference IC that provides a stable and accurate voltage output for various electronic applications.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 100mV
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage Range: 2.5V to 5.5V
• Quiescent Current: 60µA

Pin Configuration

The REF3012TB-GT3 is a three-pin device with the following pin configuration:

```

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| | --| V+ | --| | --| V- | |____| ```

Pin Descriptions: - V+: Positive supply voltage input - V-: Ground reference - OUT: Voltage reference output

Functional Features

• High precision voltage reference
• Low temperature coefficient ensures stability over a wide temperature range
• Low dropout voltage minimizes power dissipation
• Wide operating temperature range allows for use in various environments
• Low quiescent current consumption for energy-efficient designs

Advantages and Disadvantages

Advantages: - High accuracy and stability - Compact SOT-23-3 package for space-constrained applications - Wide operating temperature range enables versatile usage - Low dropout voltage reduces power consumption

Disadvantages: - Limited output voltage options - Higher initial cost compared to some alternatives

Working Principles

The REF3012TB-GT3 utilizes a bandgap voltage reference circuit to generate a stable and precise output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current generator and a negative temperature coefficient (NTC) resistor. This design ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The REF3012TB-GT3 is commonly used in various electronic systems where a stable voltage reference is required. Some typical application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery management systems
5. Sensor calibration circuits

Detailed and Complete Alternative Models

1. REF3020TB-GT3: Similar specifications, but with a 2.048V output voltage.
2. REF3030TB-GT3: Similar specifications, but with a 3.0V output voltage.
3. REF3040TB-GT3: Similar specifications, but with a 4.096V output voltage.
4. REF3050TB-GT3: Similar specifications, but with a 5.0V output voltage.

These alternative models offer different output voltage options while maintaining similar characteristics and performance to the REF3012TB-GT3.

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