ADR3440ARJZ-R7

The ADR3440ARJZ-R7 is a precision voltage reference from Analog Devices Inc., specifically designed for applications requiring high accuracy and stability. This component is part of the ADR3440 series, which is known for its low noise and low drift characteristics, making it suitable for a variety of precision measurement and data acquisition systems.

Key Features:

1. Voltage Reference: The ADR3440 provides a stable output voltage of 1.25V, which is ideal for use in analog-to-digital converters (ADCs) and other precision circuits.

2. Low Noise: The device boasts a low output noise specification, typically around 1.5 µV p-p (0.1 Hz to 10 Hz), which is crucial for applications where signal integrity is paramount.

3. Temperature Coefficient: The temperature coefficient of the output voltage is exceptionally low, typically around 5 ppm/°C, ensuring that the reference voltage remains stable across a wide temperature range.

4. Supply Voltage: The ADR3440 operates with a supply voltage range of 2.5V to 5.5V, making it versatile for various power supply configurations.

5. Output Current: It can source or sink output currents up to 10 mA, providing flexibility in driving loads without significant voltage drop.

6. Package Type: The ADR3440ARJZ-R7 is housed in a compact 8-lead LFCSP (Lead Frame Chip Scale Package), which is suitable for space-constrained applications.

7. Low Drift: The device features low drift characteristics, typically around 0.5 ppm/°C, ensuring that the reference voltage remains stable over time and temperature variations.

8. High Accuracy: The initial accuracy of the output voltage is typically ±0.02%, which is critical for high-precision applications.

9. Power Supply Rejection Ratio (PSRR): The PSRR is high, ensuring that variations in the supply voltage have minimal impact on the output voltage stability.

Applications:

The ADR3440ARJZ-R7 is ideal for a wide range of applications, including:

• Precision data acquisition systems
• Instrumentation and measurement devices
• Medical equipment
• Industrial automation
• Automotive applications
• High-precision analog circuits

Conclusion:

Overall, the ADR3440ARJZ-R7 from Analog Devices Inc. is a highly reliable and accurate voltage reference that meets the stringent requirements of modern electronic systems. Its combination of low noise, low drift, and high accuracy makes it an excellent choice for engineers looking to enhance the performance of their precision applications.