The ADR421ARMZ-REEL7 is a precision voltage reference component manufactured by Analog Devices Inc., a company renowned for its high-performance semiconductor products. This particular model is part of the ADR42x series, which is known for providing stable and accurate reference voltages that are critical for the performance of analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and other precision measurement and control systems.

Key Features

• Output Voltage: The ADR421ARMZ-REEL7 offers a precise 2.048V output voltage, which is commonly used as a reference in 12-bit, 14-bit, and 16-bit systems.
• High Accuracy: It boasts an initial accuracy of ±0.1% and a low temperature coefficient (tempco) of 3 ppm/°C (typical), ensuring reliable performance over a wide temperature range.
• Low Noise: With a low 1/f noise of 0.7 µVp-p (0.1 Hz to 10 Hz) and low wideband noise of 3 µVrms (10 Hz to 10 kHz), the ADR421ARMZ-REEL7 is ideal for sensitive applications requiring low noise levels.
• Wide Supply Range: It operates with a supply voltage range from 4.5 V to 18 V, providing design flexibility for various system voltage requirements.
• Long-Term Stability: Demonstrating excellent long-term stability, the ADR421ARMZ-REEL7 ensures consistent performance over the lifespan of the device.
• Package and Supply Format: The device comes in an 8-lead MSOP package and is available in a 7-inch reel, making it suitable for automated assembly processes.

Applications

The ADR421ARMZ-REEL7 is versatile and can be used in a wide array of applications, including:

• Precision data acquisition systems
• High-resolution ADCs and DACs
• Industrial instrumentation
• Medical devices
• Automotive systems
• Battery-powered devices

Conclusion

With its high precision, low noise, and stable performance, the ADR421ARMZ-REEL7 from Analog Devices Inc. is an excellent choice for engineers and designers who require a reliable voltage reference for their high-accuracy applications. Its robust design and flexible operating conditions make it suitable for a broad spectrum of industrial, automotive, and consumer electronics products.