REF02HSA+T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision voltage reference - Low temperature coefficient - Low output noise - Wide operating temperature range - Small package size

Package: TO-100-8 (Plastic Dual-In-Line Package)

Essence: The REF02HSA+T is a high-precision voltage reference IC used to provide a stable and accurate voltage reference in various electronic circuits.

Packaging/Quantity: The REF02HSA+T is available in a TO-100-8 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Output Voltage Range: 5V ± 0.2%
• Temperature Coefficient: 10ppm/°C (maximum)
• Output Noise Voltage: 1.5µVp-p (typical)
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 7V to 36V
• Quiescent Current: 1.5mA (typical)

Detailed Pin Configuration

The REF02HSA+T has eight pins arranged as follows:

```

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| | --| VOUT | --| GND | --| TRIM | --| NC | --| V+ | --| ADJ | --| NC | |___________| ```

Pin Description: - VOUT: Output voltage pin - GND: Ground pin - TRIM: Trim pin for adjusting the output voltage - NC: No connection pin - V+: Positive supply voltage pin - ADJ: Adjust pin for fine-tuning the output voltage

Functional Features

• High Precision: The REF02HSA+T provides a highly accurate and stable output voltage, making it suitable for precision applications.
• Low Temperature Coefficient: It exhibits a low temperature coefficient, ensuring minimal output voltage variation with temperature changes.
• Low Output Noise: The IC generates low output noise, reducing interference in sensitive circuits.
• Wide Operating Temperature Range: It can operate reliably in a wide temperature range, making it suitable for various environments.
• Small Package Size: The TO-100-8 package offers a compact form factor, saving space in electronic designs.

Advantages and Disadvantages

Advantages: - High precision and stability - Low temperature coefficient - Low output noise - Wide operating temperature range - Compact package size

Disadvantages: - Limited output voltage range (5V ± 0.2%) - Requires external trimming for precise voltage adjustment

Working Principles

The REF02HSA+T utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It compensates for temperature variations by employing a temperature-dependent current source and a voltage divider network. This ensures that the output voltage remains constant over a wide temperature range.

Detailed Application Field Plans

The REF02HSA+T is commonly used in various applications requiring a precise and stable voltage reference. Some typical application fields include: - Analog-to-Digital Converters (ADCs) - Digital-to-Analog Converters (DACs) - Voltage regulators - Precision instrumentation - Sensor calibration circuits

Detailed and Complete Alternative Models

1. REF01HSA+T: Similar to REF02HSA+T but with a lower output voltage range of 2.5V ± 0.2%.
2. REF03HSA+T: Similar to REF02HSA+T but with a higher output voltage range of 10V ± 0.2%.
3. LT1021-5: Alternative voltage reference IC with a 5V output and similar characteristics to the REF02HSA+T.

These alternative models offer different output voltage ranges while maintaining high precision and stability.

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