REF3120AIDBZTG4

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: SOT-23-5

Essence: The REF3120AIDBZTG4 is a voltage reference IC that provides a stable and accurate voltage output for various applications.

Packaging/Quantity: The REF3120AIDBZTG4 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage: 1.2V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 60mV
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The REF3120AIDBZTG4 has the following pin configuration:

```

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

Functional Features

• High precision voltage reference
• Stable output voltage over a wide temperature range
• Low power consumption
• Adjustable output voltage using the TRIM pin

Advantages

• High accuracy and stability
• Low temperature coefficient ensures reliable performance across varying temperatures
• Low dropout voltage minimizes power loss
• Low quiescent current prolongs battery life in portable devices

Disadvantages

• Limited output voltage options (fixed at 1.2V)
• Not suitable for applications requiring higher output voltages

Working Principles

The REF3120AIDBZTG4 utilizes a bandgap voltage reference circuit to generate a stable output voltage. It compensates for temperature variations by employing a temperature coefficient compensation technique. The IC operates by comparing the reference voltage with an internal feedback voltage, adjusting it to maintain a constant output voltage.

Detailed Application Field Plans

The REF3120AIDBZTG4 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 medical equipment
6. Industrial control systems

Detailed and Complete Alternative Models

1. REF3130AIDBZTG4: Similar to REF3120AIDBZTG4 but with a 3V output voltage.
2. REF3112AIDBZTG4: Similar to REF3120AIDBZTG4 but with a 1.2V output voltage and lower quiescent current.

These alternative models offer similar functionality and characteristics, providing options for different voltage requirements and power consumption levels.

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