REF3320AIDCKT

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

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

Package: DCK (SOT-23-5)

Essence: The REF3320AIDCKT is a voltage reference IC that provides a stable and accurate voltage output for various applications.

Packaging/Quantity: The REF3320AIDCKT is available in a DCK package, which is a small outline transistor package with five pins. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage Range: 1.2V to 5.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The REF3320AIDCKT has the following pin configuration:

```

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

• REF: Reference input pin
• VOUT: Voltage output pin
• IN: Supply voltage input pin
• GND: Ground pin
• TRIM: Trim pin for adjusting the output voltage

Functional Features

• High precision voltage reference with low initial accuracy and temperature coefficient.
• Low dropout voltage allows operation with low supply voltages.
• Low quiescent current minimizes power consumption.
• Trim pin enables fine adjustment of the output voltage.

Advantages and Disadvantages

Advantages: - High precision and stability - Wide operating temperature range - Small package size - Low power consumption

Disadvantages: - Limited output voltage range (1.2V to 5.5V) - Requires an external trim pin for voltage adjustment

Working Principles

The REF3320AIDCKT is based on a bandgap voltage reference circuit, which generates a stable voltage reference using the temperature-dependent properties of semiconductor materials. It utilizes a combination of bipolar and CMOS technologies to achieve high accuracy and low temperature coefficient.

Detailed Application Field Plans

The REF3320AIDCKT can be used in various applications that require a stable and accurate voltage reference. Some common application fields include:

1. Precision analog-to-digital converters (ADCs)
2. Digital-to-analog converters (DACs)
3. Voltage regulators
4. Battery-powered devices
5. Sensor interfaces
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. REF3220AIDCKT: Similar to REF3320AIDCKT but with a lower initial accuracy of ±0.1%.
2. REF3420AIDCKT: Similar to REF3320AIDCKT but with a higher initial accuracy of ±0.02%.

These alternative models provide options with different levels of precision to suit specific application requirements.

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