Overview
The ADR433ARZ is a precision voltage reference from Analog Devices Inc., part of the ADR430/ADR431/ADR433/ADR434/ADR435 series. This component utilizes Analog Devices' XFET (extra implanted junction FET) technology to provide low noise, high accuracy, and minimal temperature drift. The ADR433ARZ is specifically designed to operate at 3.0V and is suitable for applications requiring stable and precise voltage references.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.000 | V |
| Output Voltage Accuracy (A Grade) | ±4 mV | |
| Output Voltage Accuracy (B Grade) | ±1.5 mV | |
| Temperature Coefficient (A Grade) | 10 ppm/°C | |
| Temperature Coefficient (B Grade) | 3 ppm/°C | |
| Output Current (Source/Sink) | +30 mA / -20 mA | |
| Supply Voltage Range | 5.0 V to 18 V | |
| Supply Current | 800 µA | |
| Operating Temperature Range | -40°C to +125°C | |
| Noise (0.1 Hz to 10 Hz) | 3.5 µV p-p | |
| Package Type | 8-Lead MSOP, 8-Lead SOIC |
Key Features
- Low noise performance: 3.5 µV p-p in the 0.1 Hz to 10 Hz range.
- High accuracy and low temperature drift: Utilizes XFET technology to minimize voltage change vs. temperature nonlinearity.
- Current sink and source capability: Can source up to 30 mA and sink up to -20 mA.
- Wide operating range: Supply voltage range from 5.0 V to 18 V.
- Low supply current: Operates at 800 µA.
- Trim terminal: Allows adjustment of the output voltage over a ±0.5% range without compromising performance.
- No external capacitor required.
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 ADR433ARZ?
The output voltage of the ADR433ARZ is 3.0V.
- What is the temperature coefficient of the ADR433ARZ?
The temperature coefficient is 10 ppm/°C for A grade and 3 ppm/°C for B grade.
- What is the output current capability of the ADR433ARZ?
The ADR433ARZ can source up to 30 mA and sink up to -20 mA.
- What is the operating temperature range of the ADR433ARZ?
The operating temperature range is -40°C to +125°C.
- Does the ADR433ARZ require an external capacitor?
No, the ADR433ARZ does not require an external capacitor.
- What is the supply current of the ADR433ARZ?
The supply current is 800 µA.
- What are the typical applications of the ADR433ARZ?
Typical applications include precision data acquisition systems, high resolution data converters, medical instruments, industrial process control systems, optical control circuits, and precision instruments.
- What package types are available for the ADR433ARZ?
The ADR433ARZ is available in 8-Lead MSOP and 8-Lead SOIC packages.
- Can the output voltage of the ADR433ARZ be adjusted?
- What is the noise performance of the ADR433ARZ?
The noise performance is 3.5 µV p-p in the 0.1 Hz to 10 Hz range.
