Overview
The ADR433BRZ is a high-performance voltage reference IC from Analog Devices Inc., part of the XFET® voltage reference family. This device is renowned for its low noise, high accuracy, and minimal temperature drift. The ADR433BRZ operates using Analog Devices' temperature drift curvature correction and extra implanted junction FET (XFET) technology, which minimizes voltage change vs. temperature nonlinearity. It is designed to operate at lower current and supply voltage headroom compared to traditional buried Zener references, making it an ideal choice for various precision applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.000 | V |
| Initial Accuracy | ±1.5 mV / ±0.05% | - |
| Temperature Coefficient | 3 ppm/°C | - |
| Output Current Capacity | Up to 30 mA (source), up to -20 mA (sink) | mA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Supply Voltage Range | 5 V to 18 V | V |
| Noise (0.1 Hz to 10 Hz) | 3.75 µV p-p | µV |
| Line Regulation | 20 ppm/V | - |
| Load Regulation | 15 ppm/mA | - |
| Turn-on Settling Time | 10 µs at CL = 0 µF | µs |
| Package Type | 8-Lead SOIC-N | - |
Key Features
- Ultralow noise XFET voltage reference with current sink and source capability.
- No external capacitor required.
- Low temperature coefficient: 3 ppm/°C.
- Wide operating temperature range: -40°C to +125°C.
- Wide supply voltage range: 5 V to 18 V.
- High accuracy: ±1.5 mV / ±0.05% initial accuracy.
- Trim terminal for adjusting output voltage over a ±0.5% range.
- Low noise performance: 3.75 µV p-p (0.1 Hz to 10 Hz).
- Fast turn-on settling time: 10 µs at CL = 0 µF.
Applications
- Precision data acquisition systems.
- High resolution data converters.
- Medical instruments.
- Industrial process control systems.
- Optical control circuits.
- Precision instruments.
Q & A
- What is the output voltage of the ADR433BRZ?
The output voltage of the ADR433BRZ is 3.000 V with an initial accuracy of ±1.5 mV / ±0.05%.
- What is the temperature coefficient of the ADR433BRZ?
The temperature coefficient of the ADR433BRZ is 3 ppm/°C.
- What is the operating temperature range of the ADR433BRZ?
The operating temperature range of the ADR433BRZ is -40°C to +125°C.
- Does the ADR433BRZ require an external capacitor?
No, the ADR433BRZ does not require an external capacitor.
- What is the noise performance of the ADR433BRZ?
The noise performance of the ADR433BRZ is 3.75 µV p-p (0.1 Hz to 10 Hz).
- What is the turn-on settling time of the ADR433BRZ?
The turn-on settling time of the ADR433BRZ is 10 µs at CL = 0 µF.
- What is the package type of the ADR433BRZ?
The package type of the ADR433BRZ is 8-Lead SOIC-N.
- What are the typical applications of the ADR433BRZ?
The ADR433BRZ is typically used in precision data acquisition systems, high resolution data converters, medical instruments, industrial process control systems, optical control circuits, and precision instruments.
- Can the output voltage of the ADR433BRZ be adjusted?
Yes, the output voltage of the ADR433BRZ can be adjusted over a ±0.5% range using the trim terminal.
- What is the maximum output current capacity of the ADR433BRZ?
The ADR433BRZ can source up to 30 mA and sink up to -20 mA of output current.
