REF191GS-REEL

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage References

Characteristics: - High precision voltage reference - Low temperature coefficient - Wide operating range - Low power consumption

Package: SOT-23-3

Essence: The REF191GS-REEL is a voltage reference IC that provides a stable and accurate voltage output for various electronic applications.

Packaging/Quantity: Available in reels of 3000 units

Specifications

• Output Voltage Range: 1.24V to 5V
• Initial Accuracy: ±0.2%
• Temperature Coefficient: 10ppm/°C
• Supply Voltage Range: 2.7V to 40V
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The REF191GS-REEL has a standard SOT-23-3 package with the following pin configuration:

```

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| | --| VOUT | --| GND | --| VIN | |___________| ```

Functional Features

• High precision: The REF191GS-REEL offers excellent accuracy, ensuring reliable voltage references in critical applications.
• Low temperature coefficient: With a low temperature coefficient, this IC maintains stability over a wide temperature range.
• Wide operating range: The voltage output can be adjusted within a range of 1.24V to 5V, providing flexibility for different circuit requirements.
• Low power consumption: The quiescent current of only 60µA minimizes power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - High precision and accuracy - Wide operating range - Low power consumption - Compact SOT-23-3 package

Disadvantages: - Limited output voltage range compared to some other voltage reference ICs - Higher initial cost compared to less precise alternatives

Working Principles

The REF191GS-REEL utilizes a bandgap voltage reference circuit to generate a stable and accurate voltage output. It compensates for temperature variations by employing a combination of bipolar and CMOS technologies, resulting in a low temperature coefficient.

Application Field Plans

The REF191GS-REEL finds applications in various electronic systems where a stable voltage reference is required. Some potential application fields include: - Precision analog-to-digital converters (ADCs) - Voltage regulators - Data acquisition systems - Portable medical devices - Industrial control systems

Alternative Models

For users seeking alternative models with similar functionality, the following options are available: - REF192GS-REEL: Similar specifications but with an extended operating temperature range (-55°C to +125°C). - REF193GS-REEL: Offers a higher output voltage range (2.5V to 5.5V) while maintaining precision and low power consumption.

These alternative models provide flexibility to meet specific application requirements.

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