Overview
The ADR441ARZ-REEL7 is a high-performance voltage reference from Analog Devices Inc., part of the ADR440/ADR441/ADR443/ADR444/ADR445 family. This device utilizes Analog Devices' patented temperature drift curvature correction and extra implanted junction FET (XFET) technology, which significantly minimizes voltage change vs. temperature nonlinearity. The ADR441ARZ-REEL7 is distinguished by its ultralow noise, high accuracy, and low temperature drift, making it ideal for precision signal conversion applications in high-end data acquisition systems, optical networks, and medical devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (VOUT) | 2.500 | V |
| Initial Accuracy (VOERR) | ±3 | mV |
| Temperature Coefficient (TCVOUT) | 10 | ppm/°C |
| Input Range | (VOUT + 500mV) to 18V | V |
| Output Current Capacity | Sourcing: 10 mA, Sinking: -5 mA | mA |
| Quiescent Current (IIN) | 3 mA (no load, -40°C < TA < +125°C) | mA |
| Operating Temperature | -40°C to +125°C | °C |
| Package Style | 8-lead SOIC-N |
Key Features
- Ultralow Noise: 1.2µV p-p at (0.1Hz to 10Hz), offering superior noise performance compared to buried Zener references.
- High Accuracy: Initial accuracy of ±3mV at 0.12% and a temperature coefficient of 10ppm/°C.
- Low Supply Voltage Headroom: Operates with a low supply voltage headroom of 500mV.
- Current Source and Sink Capability: Can source up to 10 mA and sink up to -5 mA of output current.
- Trim Terminal: Allows adjustment of the output voltage over a 0.5% range without compromising performance.
- Extended Industrial Temperature Range: Specified over -40°C to +125°C.
Applications
- Precision Data Acquisition Systems: Ideal for high-end data acquisition systems requiring precise voltage references.
- High Resolution Data Converters: Suitable for applications needing high accuracy and low noise.
- Medical Instruments: Used in portable medical instruments and other medical applications where precision is critical.
- Optical Networks: Applied in optical control circuits and networks requiring stable voltage references.
- Industrial Process Control Systems: Utilized in precision instruments and industrial process control systems.
- Battery-Powered Instrumentation: Suitable for battery-powered devices due to its low quiescent current.
Q & A
- What is the output voltage of the ADR441ARZ-REEL7?
The output voltage of the ADR441ARZ-REEL7 is 2.500V.
- What is the initial accuracy of the ADR441ARZ-REEL7?
The initial accuracy is ±3mV at 0.12%.
- What is the temperature coefficient of the ADR441ARZ-REEL7?
The temperature coefficient is 10ppm/°C.
- What is the input range for the ADR441ARZ-REEL7?
The input range is from (VOUT + 500mV) to 18V.
- What are the output current capabilities of the ADR441ARZ-REEL7?
The device can source up to 10 mA and sink up to -5 mA of output current.
- What is the quiescent current of the ADR441ARZ-REEL7?
The quiescent current is 3 mA at no load, over the temperature range of -40°C to +125°C.
- What is the operating temperature range of the ADR441ARZ-REEL7?
The operating temperature range is -40°C to +125°C.
- What package style is the ADR441ARZ-REEL7 available in?
The device is available in an 8-lead SOIC-N package.
- Can the output voltage of the ADR441ARZ-REEL7 be adjusted?
Yes, the output voltage can be adjusted over a 0.5% range using the trim terminal without compromising performance.
- What are some typical applications of the ADR441ARZ-REEL7?
Typical applications include precision data acquisition systems, high resolution data converters, medical instruments, optical networks, and industrial process control systems.
