REF3212AIDBVR

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High accuracy - Low dropout voltage - Low quiescent current - Wide operating temperature range

Package: SOT-23-5

Essence: The REF3212AIDBVR is a precision voltage reference IC that provides a stable and accurate output voltage. It is commonly used in various electronic devices where a precise voltage reference is required.

Packaging/Quantity: The REF3212AIDBVR is available in a SOT-23-5 package, which is a small surface-mount package. It is typically sold in reels of 3000 units.

Specifications

• Output Voltage: 2.048V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 25ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The REF3212AIDBVR has the following pin configuration:

```

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| | --|REF |-- VOUT --|IN | --|GND | --|TRIM| |____| ```

• REF: Reference input pin
• VOUT: Output voltage pin
• IN: Supply voltage pin
• GND: Ground pin
• TRIM: Trim pin for fine-tuning the output voltage

Functional Features

• High accuracy: The REF3212AIDBVR offers a high initial accuracy of ±0.05%, ensuring precise voltage references.
• Low dropout voltage: With a dropout voltage of only 200mV, it can operate efficiently even with low input voltages.
• Low quiescent current: The IC has a low quiescent current of 60µA, making it suitable for battery-powered applications.
• Wide operating temperature range: It can operate reliably in a wide temperature range from -40°C to +125°C.

Advantages and Disadvantages

Advantages: - High accuracy ensures precise voltage references. - Low dropout voltage allows efficient operation with low input voltages. - Low quiescent current makes it suitable for battery-powered applications. - Wide operating temperature range enables reliable operation in various environments.

Disadvantages: - Limited output voltage options (only 2.048V). - SOT-23-5 package may not be suitable for all applications requiring a voltage reference.

Working Principles

The REF3212AIDBVR uses a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by utilizing the temperature coefficient of different semiconductor junctions. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The REF3212AIDBVR is commonly used in the following applications:

1. Precision analog-to-digital converters (ADC)
2. Digital-to-analog converters (DAC)
3. Voltage regulators
4. Battery management systems
5. Portable electronic devices

Detailed and Complete Alternative Models

1. REF3212AIDBZT: Similar to REF3212AIDBVR but available in a TO-92 package.
2. REF3212AIDBVT: Similar to REF3212AIDBVR but available in a SOT-23-3 package.
3. REF3212AIDCKT: Similar to REF3212AIDBVR but with an extended temperature range (-55°C to +125°C).

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

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