Overview
The ADR425BRZ is an ultraprecision, low noise voltage reference IC produced by Analog Devices Inc. This second-generation device utilizes extra implanted junction FET (XFET) technology, which offers superior accuracy and thermal hysteresis compared to traditional band gap references. The ADR425BRZ is designed to provide high accuracy, low noise, and excellent long-term stability, making it suitable for a wide range of precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.00 | V |
| Initial Accuracy | ±0.04% | (at 2mV) |
| Temperature Coefficient | 3 ppm/°C | |
| Operating Temperature Range | −40°C to +125°C | |
| Operating Supply Voltage Range | 7 V to 18 V | |
| Load Regulation | 70 ppm/mA | |
| Line Regulation | 35 ppm/V | |
| Long-term Stability | 50 ppm/1000 hours | |
| Output Voltage Hysteresis | 40 ppm typical | |
| Noise (0.1 Hz to 10 Hz) | 3.4 µV p-p | |
| Package Style | 8-lead SOIC-N |
Key Features
- Ultraprecision and low noise voltage reference using XFET technology.
- High accuracy with an initial accuracy of ±0.04% (at 2mV).
- Low temperature coefficient of 3 ppm/°C.
- Excellent long-term stability of 50 ppm/1000 hours.
- Low hysteresis of 40 ppm typical.
- Low noise performance with 3.4 µV p-p from 0.1 Hz to 10 Hz.
- Operating temperature range of −40°C to +125°C.
- Operating supply voltage range of 7 V to 18 V.
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 ADR425BRZ?
The output voltage of the ADR425BRZ is 5.00 V with an initial accuracy of ±0.04% (at 2mV).
- What is the temperature coefficient of the ADR425BRZ?
The temperature coefficient of the ADR425BRZ is 3 ppm/°C.
- What is the operating temperature range of the ADR425BRZ?
The operating temperature range of the ADR425BRZ is −40°C to +125°C.
- What is the noise performance of the ADR425BRZ?
The ADR425BRZ has a low noise performance of 3.4 µV p-p from 0.1 Hz to 10 Hz.
- What is the package style of the ADR425BRZ?
The ADR425BRZ comes in an 8-lead SOIC-N package.
- What are some typical applications of the ADR425BRZ?
The ADR425BRZ is typically 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.
- What is the long-term stability of the ADR425BRZ?
The long-term stability of the ADR425BRZ is 50 ppm/1000 hours.
- What is the load regulation of the ADR425BRZ?
The load regulation of the ADR425BRZ is 70 ppm/mA.
- What is the line regulation of the ADR425BRZ?
The line regulation of the ADR425BRZ is 35 ppm/V.
- What is the output voltage hysteresis of the ADR425BRZ?
The output voltage hysteresis of the ADR425BRZ is 40 ppm typical.
