REF3312AIDBZRG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Low quiescent current

Package: SOT-23-6

Essence: The REF3312AIDBZRG4 is a voltage reference IC that provides a stable and accurate output voltage for various applications.

Packaging/Quantity: The REF3312AIDBZRG4 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 1.25V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF3312AIDBZRG4 has six pins arranged as follows:

```

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| | --| VOUT | --| | --| GND | --| | --| VIN | --|_______| ```

Functional Features

• High precision voltage reference
• Stable output voltage over a wide temperature range
• Low power consumption
• Fast start-up time
• Low output impedance

Advantages

• Excellent accuracy and stability
• Low temperature coefficient ensures reliable performance across varying temperatures
• Low dropout voltage minimizes power loss
• Low quiescent current prolongs battery life
• Small package size allows for space-saving designs

Disadvantages

• Limited output voltage options
• Not suitable for high current applications

Working Principles

The REF3312AIDBZRG4 utilizes a bandgap voltage reference circuit to generate a stable output voltage. It compensates for temperature variations by employing a proportional-to-absolute-temperature (PTAT) current source and a negative temperature coefficient (NTC) resistor. This ensures that the output voltage remains constant even with changes in temperature.

Detailed Application Field Plans

The REF3312AIDBZRG4 is commonly used in various applications, including:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Portable instrumentation
6. Industrial control systems

Detailed and Complete Alternative Models

1. REF3212AIDBZT: Similar specifications, but available in a smaller SOT-23-5 package.
2. REF3412AIDBZRG4: Higher output voltage of 2.5V, suitable for specific applications requiring a different reference voltage.
3. REF3030AIDBZT: Lower initial accuracy of ±1%, but offers a wider operating temperature range.

These alternative models provide options based on specific requirements and design constraints.

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