Product Overview: ADR421ARMZ Voltage Reference from Analog Devices Inc.

The ADR421ARMZ is a high-precision voltage reference component manufactured by Analog Devices Inc., an industry leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits. This device is part of the ADR42x series, which is renowned for its high accuracy, low noise, and long-term stability. The ADR421ARMZ is specifically designed to cater to the demanding requirements of high-end applications such as medical equipment, precision data acquisition systems, and industrial instrumentation.

Key Features

• Precision Voltage: The ADR421ARMZ offers a precise 2.048 V output, which is ideal for applications requiring a stable reference voltage.
• Low Temperature Coefficient: With a temperature coefficient of 3 ppm/°C (typ), the device ensures minimal deviation in output voltage across a wide temperature range, enhancing performance consistency.
• Low Noise: It features low noise of 1.0 µV p-p/V, which is critical for applications where signal integrity is paramount.
• High Output Current: The ADR421ARMZ can source up to 10 mA and sink up to -5 mA of output current, making it highly versatile for various load conditions.
• Wide Supply Range: The device operates with a supply voltage range from 4.5 V to 18 V, providing flexibility in system design.
• Long-Term Stability: Demonstrating excellent long-term stability of 50 ppm/1000 hours (typ) at 25°C, the ADR421ARMZ is reliable for applications that require consistent performance over time.

Package and Quality

The ADR421ARMZ is available in an 8-lead MSOP (Mini Small Outline Package), which is compact and suitable for space-constrained applications. The device also features a wide operating temperature range from -40°C to +125°C, ensuring operation in diverse environmental conditions.

Analog Devices Inc. is committed to high-quality standards, and the ADR421ARMZ is no exception. It is designed to meet stringent requirements, ensuring that it can be integrated into critical systems with confidence. Whether for precision measurement, data conversion, or any other application where a stable voltage reference is crucial, the ADR421ARMZ stands out as a robust and reliable choice.

For detailed specifications, application notes, and further information, designers and engineers are encouraged to consult the datasheet and support documentation available from Analog Devices Inc.