Overview
The ADR420ARMZ from Analog Devices Inc. is an ultraprecision, low noise voltage reference IC, utilizing the second generation extra implanted junction FET (XFET) technology. This voltage reference is distinguished by its low noise, high accuracy, and excellent long-term stability. It features a patented temperature drift curvature correction technique and XFET architecture, which minimizes the nonlinearity of the voltage change with temperature, offering superior accuracy and thermal hysteresis compared to band gap references.
Key Specifications
| Specification | Value |
|---|---|
| Output Voltage | 2.048V ± 0.15% (at 3mV) |
| Operating Temperature Range | -40°C to +125°C |
| Temperature Coefficient | 10ppm/°C |
| Long-term Stability | 50ppm/1000 hours |
| Load Regulation | 70ppm/mA |
| Line Regulation | 35ppm/V |
| Low Hysteresis | 40ppm typical |
| Operating Voltage Range | 4V to 18V |
| Output Current | 10 mA |
| Supply Current | 600µA |
| Noise (0.1Hz to 10Hz) | 1.75µV p-p |
| Package Style | 8-lead MSOP |
| Mounting Type | Surface Mount |
Key Features
- Low noise: 1.75µV p-p from 0.1Hz to 10Hz
- High accuracy and long-term stability
- Patented temperature drift curvature correction technique
- XFET architecture for superior accuracy and thermal hysteresis
- Low hysteresis: 40ppm typical
- Wide operating temperature range: -40°C to +125°C
- Compact 8-lead MSOP package
Applications
- Precision data acquisition systems
- High resolution converters
- Battery-powered instrumentation
- Portable medical instruments
- Industrial process control systems
- Precision instruments
- Optical network control circuits
Q & A
- What is the output voltage of the ADR420ARMZ?
The output voltage of the ADR420ARMZ is 2.048V with an initial accuracy of ±0.15% (at 3mV). - What is the operating temperature range of the ADR420ARMZ?
The operating temperature range is -40°C to +125°C. - What is the temperature coefficient of the ADR420ARMZ?
The temperature coefficient is 10ppm/°C. - What is the long-term stability of the ADR420ARMZ?
The long-term stability is 50ppm/1000 hours. - What is the load regulation of the ADR420ARMZ?
The load regulation is 70ppm/mA. - What is the line regulation of the ADR420ARMZ?
The line regulation is 35ppm/V. - What is the typical hysteresis of the ADR420ARMZ?
The typical hysteresis is 40ppm. - What is the operating voltage range of the ADR420ARMZ?
The operating voltage range is 4V to 18V. - What is the output current capability of the ADR420ARMZ?
The output current capability is 10 mA. - In what types of applications is the ADR420ARMZ commonly used?
The ADR420ARMZ is commonly used in precision data acquisition systems, high resolution converters, battery-powered instrumentation, portable medical instruments, industrial process control systems, precision instruments, and optical network control circuits.
