Overview
The ADR421BRZ is a part of the ADR42x series of ultraprecision, second-generation eXtra implanted junction FET (XFET) voltage references produced by Analog Devices Inc. These voltage references are known for their low noise, high accuracy, and excellent long-term stability. They are available in both SOIC and MSOP packages, offering flexibility in design and space-saving options. The ADR421BRZ is particularly suited for precision conversion applications due to its superior accuracy and thermal hysteresis compared to traditional band gap references.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 2.500 V ±0.04% |
| Supply Voltage Range | 4.5 V to 18 V |
| Maximum Output Current | 10 mA |
| Temperature Range | −40°C to +125°C |
| Package Type | 8-Lead SOIC |
| Noise Performance | Low noise |
| Trim Terminal Adjustment | ±0.5% range |
Key Features
- Ultraprecision voltage reference with low noise and high accuracy
- XFET architecture for superior accuracy and thermal hysteresis
- Patented temperature drift curvature correction technique to minimize nonlinearity
- Low power consumption and lower supply headroom compared to buried Zener references
- Adjustable output voltage over a ±0.5% range without compromising performance
- Available in 8-lead SOIC and MSOP packages
Applications
The ADR421BRZ is ideal for precision conversion applications, including optical networks and medical equipment. Its high accuracy, low noise, and excellent long-term stability make it suitable for a variety of critical systems where precise voltage referencing is essential.
Q & A
- What is the output voltage of the ADR421BRZ?
The output voltage of the ADR421BRZ is 2.500 V ±0.04%. - What is the supply voltage range for the ADR421BRZ?
The supply voltage range for the ADR421BRZ is 4.5 V to 18 V. - What is the maximum output current of the ADR421BRZ?
The maximum output current of the ADR421BRZ is 10 mA. - What is the temperature range for the ADR421BRZ?
The temperature range for the ADR421BRZ is −40°C to +125°C. - What package types are available for the ADR421BRZ?
The ADR421BRZ is available in 8-lead SOIC and MSOP packages. - What is the noise performance of the ADR421BRZ?
The ADR421BRZ has low noise performance. - Can the output voltage of the ADR421BRZ be adjusted?
Yes, the output voltage of the ADR421BRZ can be adjusted over a ±0.5% range without compromising other performance parameters. - What are some typical applications for the ADR421BRZ?
The ADR421BRZ is typically used in precision conversion applications such as optical networks and medical equipment. - What technology does the ADR421BRZ use?
The ADR421BRZ uses XFET (eXtra implanted junction FET) technology. - How does the ADR421BRZ handle temperature drift?
The ADR421BRZ uses a patented temperature drift curvature correction technique to minimize nonlinearity of the voltage change with temperature.
