REF198FS-REEL

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Reference

Characteristics: - High precision - Low temperature coefficient - Low dropout voltage - Wide operating range

Package: SOT-23-3

Essence: The REF198FS-REEL is a voltage reference IC that provides a stable and accurate voltage output for various electronic applications.

Packaging/Quantity: The REF198FS-REEL is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Output Voltage Range: 1.2V to 5.5V
• Initial Accuracy: ±0.1%
• Temperature Coefficient: 10ppm/°C
• Dropout Voltage: 100mV
• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 50µA

Detailed Pin Configuration

The REF198FS-REEL has three pins:

1. VOUT: Output voltage pin.
2. GND: Ground pin.
3. VIN: Input voltage pin.

Functional Features

• High precision voltage reference.
• Stable output voltage 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.

Advantages and Disadvantages

Advantages: - High accuracy and stability. - Low temperature coefficient ensures reliable performance across varying temperatures. - Small package size enables space-saving designs. - Low dropout voltage allows operation in low-power applications.

Disadvantages: - Limited output voltage range. - Higher cost compared to standard voltage references.

Working Principles

The REF198FS-REEL utilizes bandgap voltage reference technology to generate a precise and stable output voltage. It compensates for temperature variations by employing a temperature coefficient compensation circuit. The IC operates by comparing the reference voltage with an internal feedback mechanism, ensuring accurate output voltage regulation.

Detailed Application Field Plans

The REF198FS-REEL finds applications in various fields, including:

1. Precision instrumentation
2. Data acquisition systems
3. Portable consumer electronics
4. Battery-powered devices
5. Industrial control systems

Detailed and Complete Alternative Models

1. REF192: Similar specifications and package as REF198FS-REEL.
2. LT6654: Ultra-precision voltage reference with lower initial accuracy and higher temperature coefficient.
3. MAX619: Low-power voltage reference with wider supply voltage range.

These alternative models offer different trade-offs in terms of accuracy, temperature coefficient, and cost, allowing designers to choose the most suitable option for their specific requirements.

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