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REF198GS

REF198GS Description

The REF198GS from Analog Devices Inc. is a high-precision, 4.096V fixed-output series voltage reference designed for applications demanding exceptional accuracy and stability. Housed in an 8-pin SOIC package, this obsolete but reliable component features a ±0.24% initial tolerance and a low 25ppm/°C temperature coefficient, ensuring consistent performance across varying environmental conditions. With a 4.5V to 15V input range, it operates at a minimal 45µA supply current, making it suitable for power-sensitive designs. The REF198GS is RoHS-compliant, has an MSL 1 (Unlimited) rating, and is supplied in a tube packaging for ease of handling.

REF198GS Features

• High Precision: ±0.24% output tolerance for critical voltage reference applications.
• Low Drift: 25ppm/°C temperature coefficient ensures stability over temperature variations.
• Low Power Consumption: 45µA supply current minimizes power draw in battery-operated systems.
• Wide Input Range: 4.5V to 15V input voltage flexibility for diverse circuit configurations.
• Robust Packaging: 8-pin SOIC surface-mount package with MSL 1 reliability for industrial environments.
• Low Output Noise: Ideal for precision analog systems such as ADCs and DACs.

REF198GS Applications

The REF198GS excels in precision measurement and signal conditioning systems, including:

• Data Acquisition Systems: Provides stable reference voltages for ADCs and DACs in industrial sensors.
• Medical Instrumentation: Ensures accuracy in diagnostic equipment where voltage stability is critical.
• Portable Electronics: Low power consumption suits battery-powered devices like handheld meters.
• Automotive Electronics: Reliable performance in engine control units (ECUs) and sensor interfaces.
• Test & Measurement Equipment: Used in calibration tools and lab instruments requiring minimal drift.

Conclusion of REF198GS

The REF198GS stands out as a high-performance voltage reference for precision electronics, offering low drift, high accuracy, and ultra-low power consumption. While marked as obsolete, its proven reliability makes it a preferred choice for legacy or long-lifecycle designs. Engineers working on industrial, medical, or automotive systems will find its 4.096V fixed output invaluable for maintaining signal integrity. For applications demanding uncompromising voltage stability, the REF198GS remains a trusted solution despite newer alternatives.