Overview
The ADR445ARZ-REEL7 is a part of the ADR440/ADR441/ADR443/ADR444/ADR445 series, a family of XFET® voltage references produced by Analog Devices Inc. These devices are renowned for their ultralow noise, high accuracy, and low temperature drift performance. Utilizing Analog Devices' patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology, these voltage references minimize voltage change vs. temperature nonlinearity, making them ideal for precision signal conversion applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VOUT | 4.988 | 5.000 | 5.012 | V |
| Initial Accuracy | VOERR | ±2 mV (B Grade) | ±6 mV (A Grade) | ||
| Temperature Drift | TCVOUT | 1 ppm/°C (B Grade) | 3 ppm/°C (A Grade) | ||
| Line Regulation | ΔVOUT/ΔVIN | 10 ppm/V | 20 ppm/V | ||
| Load Regulation | ΔVOUT/ΔILOAD | -50 ppm/mA | 50 ppm/mA | ||
| Supply Voltage Operating Range | VIN | 5.5 V | 18 V | ||
| Supply Voltage Headroom | VIN - VOUT | 500 mV | |||
| Output Current Source/Sink | +10 mA / -5 mA | ||||
| Operating Temperature Range | TA | -40°C | +125°C |
Key Features
- Ultralow Noise: The ADR445ARZ-REEL7 features ultralow noise performance, particularly in the 0.1 Hz to 10 Hz frequency range.
- High Accuracy: Offers high accuracy with initial accuracy as low as ±2 mV for the B grade and ±6 mV for the A grade.
- Low Temperature Drift: Utilizes temperature drift curvature correction and XFET technology to minimize temperature drift, ensuring stability across a wide temperature range.
- Low Dropout Operation: Operates with a low supply voltage headroom of 500 mV.
- High Output Current Capability: Can source up to 10 mA and sink up to -5 mA of output current.
- Trim Terminal: Includes a trim terminal to adjust the output voltage over a 0.5% range without compromising performance.
- Packages: Available in 8-lead MSOP and narrow SOIC packages.
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.
- Battery-Powered Instrumentation: Used in battery-powered instruments where low power consumption and high accuracy are crucial.
- Precision Instruments: Applied in various precision instruments that require stable and accurate voltage references.
- Military Communication and Avionics: Supports military and avionics applications due to its robust performance over a wide temperature range.
- Optical Networks: Used in optical networks for precise signal conversion.
- Medical Applications: Suitable for medical devices requiring high accuracy and low noise voltage references.
Q & A
- What is the output voltage of the ADR445ARZ-REEL7?
The output voltage of the ADR445ARZ-REEL7 is 5.0 V.
- What is the temperature drift of the ADR445ARZ-REEL7?
The temperature drift is as low as 1 ppm/°C for the B grade and 3 ppm/°C for the A grade.
- What is the supply voltage operating range of the ADR445ARZ-REEL7?
The supply voltage operating range is from 5.5 V to 18 V.
- What is the supply voltage headroom required for the ADR445ARZ-REEL7?
The supply voltage headroom is 500 mV.
- How much output current can the ADR445ARZ-REEL7 source and sink?
The device can source up to 10 mA and sink up to -5 mA of output current.
- What packages are available for the ADR445ARZ-REEL7?
The device is available in 8-lead MSOP and narrow SOIC packages.
- What is the operating temperature range of the ADR445ARZ-REEL7?
The operating temperature range is from -40°C to +125°C.
- Can the output voltage of the ADR445ARZ-REEL7 be adjusted?
Yes, the output voltage can be adjusted over a 0.5% range using the trim terminal.
- What are some typical applications of the ADR445ARZ-REEL7?
Typical applications include precision data acquisition systems, high resolution data converters, battery-powered instrumentation, precision instruments, military communication, avionics, optical networks, and medical applications.
- What technology does the ADR445ARZ-REEL7 use to achieve its performance?
The device uses Analog Devices' patented temperature drift curvature correction and XFET (eXtra implanted junction FET) technology.
