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REF195ES

REF195ES Description

The REF195ES from Analog Devices Inc. is a high-precision, 5V fixed-output series voltage reference designed for demanding applications requiring exceptional accuracy and stability. With a ±0.04% initial tolerance and an ultra-low 5ppm/°C temperature coefficient, this IC ensures reliable performance across a wide operating temperature range. The device operates from an input voltage range of 5.1V to 15V, drawing a minimal 45µA supply current, making it suitable for power-sensitive designs. Packaged in an 8-pin SOIC and rated for MSL 1 (Unlimited), it is ideal for surface-mount applications. Although marked as obsolete, its precision and low drift characteristics remain highly valued in legacy and specialized systems.

REF195ES Features

• Ultra-High Precision: ±0.04% initial voltage accuracy ensures minimal output deviation.
• Low Temperature Drift: 5ppm/°C stability over temperature variations.
• Low Power Consumption: Only 45µA supply current, ideal for battery-operated devices.
• Wide Input Range: Operates from 5.1V to 15V, accommodating diverse power supplies.
• Surface-Mount Ready: 8-pin SOIC package with MSL 1 rating for easy integration.
• Low Output Noise: Clean, stable reference voltage for sensitive analog circuits.
• Series Reference Topology: Delivers consistent performance without load regulation issues.

REF195ES Applications

• Precision Data Acquisition Systems: Ensures accurate ADC/DAC reference voltages.
• Medical Instrumentation: Critical for devices requiring stable voltage references.
• Industrial Control Systems: Reliable performance in harsh environments.
• Portable Electronics: Low power consumption extends battery life.
• Test & Measurement Equipment: High accuracy for calibration and signal conditioning.
• Legacy System Maintenance: Replacing older references without redesign.

Conclusion of REF195ES

The REF195ES stands out for its exceptional precision, low drift, and low power consumption, making it a preferred choice for high-accuracy applications. While obsolete, its performance metrics surpass many modern alternatives, ensuring continued relevance in precision-critical designs. Engineers working on medical, industrial, or portable systems will find its stability and efficiency invaluable, even as newer models emerge. For legacy upgrades or niche applications, the REF195ES remains a benchmark in voltage reference technology.