REF3140AIDBZTG4

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: REF3140AIDBZTG4 is a voltage reference IC that provides a stable and accurate voltage output.

Packaging/Quantity: The REF3140AIDBZTG4 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage Range: 1.225V to 5.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 50ppm/°C
• Dropout Voltage: 200mV
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The REF3140AIDBZTG4 has six pins arranged as follows:

```

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

1. VOUT: Output voltage pin.
2. GND: Ground pin.
3. NC: No connection pin.
4. VIN: Input voltage pin.
5. NC: No connection pin.

Functional Features

• High accuracy and stability over a wide temperature range.
• Low dropout voltage allows operation with low input voltages.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation characteristics.
• Fast start-up time.

Advantages and Disadvantages

Advantages: - High precision and accuracy. - Low temperature coefficient ensures stability. - Low dropout voltage enables operation with low input voltages. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited output voltage range (1.225V to 5.5V). - Not suitable for applications requiring higher output voltages.

Working Principles

The REF3140AIDBZTG4 is based on a bandgap voltage reference circuit. It utilizes the temperature-dependent characteristics of semiconductor materials to generate a stable and accurate reference voltage. The internal circuitry compensates for temperature variations, ensuring consistent performance over a wide temperature range.

Detailed Application Field Plans

The REF3140AIDBZTG4 is commonly used in various electronic systems that require a precise and stable voltage reference. 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
6. Test and measurement equipment

Detailed and Complete Alternative Models

1. REF3030AIDBZT: Similar voltage reference IC with a lower initial accuracy of ±0.1%.
2. REF5020AIDGKT: Higher precision voltage reference IC with an initial accuracy of ±0.02%.
3. LM4040CIM3-2.5/NOPB: Shunt voltage reference IC with an output voltage of 2.5V.

These alternative models offer different specifications and may be suitable for specific application requirements.

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