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ADR291FRZ

ADR291FRZ Description

The ADR291FRZ is a high-precision 2.5V fixed-output voltage reference from Analog Devices Inc., designed for applications demanding ultra-low noise, high accuracy, and excellent temperature stability. Part of the XFET® series, this IC leverages proprietary technology to deliver a ±0.12% initial tolerance and a low 15ppm/°C temperature coefficient, ensuring reliable performance across industrial temperature ranges. With a 15µA supply current and 5mA output current capability, it is optimized for power-sensitive systems. The device operates over a 3V to 15V input range, making it versatile for both low-voltage and higher-voltage designs. Packaged in an 8-pin SOIC and compliant with ROHS3 and REACH standards, it is suitable for surface-mount applications in harsh environments.

ADR291FRZ Features

• Ultra-High Precision: ±0.12% initial accuracy ensures minimal output deviation.
• Low Drift: 15ppm/°C tempco enhances stability in varying thermal conditions.
• Low Power Consumption: 15µA supply current ideal for battery-operated devices.
• Wide Input Range: Supports 3V to 15V, accommodating diverse power supplies.
• XFET® Technology: Superior noise immunity and long-term stability compared to bandgap references.
• Robust Packaging: 8-pin SOIC (Tube) with MSL1 (Unlimited) moisture sensitivity for easy handling.
• Compliance: ROHS3, REACH, EAR99, and HTSUS 8542.39.0001 certified for global use.

ADR291FRZ Applications

• Precision Instrumentation: High-accuracy voltage references for multimeters, data loggers, and sensor interfaces.
• Industrial Control Systems: Stable voltage supply for PLCs, ADCs, and DACs in automation.
• Portable Electronics: Low-power operation suits medical devices, IoT sensors, and handheld test equipment.
• Automotive Electronics: Reliable performance in infotainment, ECU, and battery management systems.
• Aerospace & Defense: Harsh-environment resilience for avionics and communication systems.

Conclusion of ADR291FRZ

The ADR291FRZ stands out as a high-performance voltage reference for precision-critical applications, combining XFET® technology with low power consumption and wide input flexibility. Its low drift, high accuracy, and robust packaging make it a superior choice over traditional bandgap references, particularly in industrial, automotive, and portable electronics. Engineers seeking a reliable, low-noise reference with long-term stability will find this IC an optimal solution.