Overview
The ADR443ARZ-REEL7 is a part of the ADR440/ADR441/ADR443/ADR444/ADR445 series, a family of XFET (eXtra implanted junction FET) voltage references produced by Analog Devices Inc. This component is known for its ultralow noise, high accuracy, and low temperature drift performance. The ADR443 specifically provides a 3.0V voltage reference and is designed to operate with low supply voltage headroom of 500 mV, making it ideal for precision signal conversion applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (VOUT) | 2.497 | 3.0 | 3.003 | V |
| Initial Accuracy (VOERR) | ±1 mV | ±3 mV | mV | |
| Temperature Drift (TCVOUT) | 1 | 3 | ppm/°C | |
| Line Regulation (ΔVOUT/ΔVIN) | 10 | 20 | ppm/V | |
| Load Regulation (ΔVOUT/ΔILOAD) | -50 | 50 | ppm/mA | |
| Output Current Source | 10 | mA | ||
| Output Current Sink | -5 | mA | ||
| Operating Temperature Range | -40 | 125 | °C | |
| Voltage Noise (Vnoise) | 1.4 µV p-p | V p-p | ||
| Package | 8-lead MSOP, 8-lead SOIC | |||
| RoHS Compliance | Compliant |
Key Features
- Ultralow noise performance, with 1.4 µV p-p voltage noise.
- High accuracy and low temperature drift, with a temperature coefficient of 3 ppm/°C.
- Low dropout operation with a supply voltage headroom of 500 mV.
- Capability to source up to 10 mA and sink up to -5 mA of output current.
- Trim terminal to adjust the output voltage over a 0.5% range without compromising performance.
- Available in 8-lead MSOP and narrow SOIC packages.
- Specified over the extended industrial temperature range of -40°C to +125°C.
- RoHS compliant.
Applications
The ADR443ARZ-REEL7 is ideally suited for precision signal conversion applications in various fields, including:
- High-end data acquisition systems.
- Optical networks.
- Medical applications.
Q & A
- What is the output voltage of the ADR443ARZ-REEL7?
The output voltage of the ADR443ARZ-REEL7 is 3.0V.
- What is the initial accuracy of the ADR443ARZ-REEL7?
The initial accuracy is ±1 mV to ±3 mV depending on the grade.
- What is the temperature drift of the ADR443ARZ-REEL7?
The temperature drift is 3 ppm/°C.
- What is the maximum output current source capability of the ADR443ARZ-REEL7?
The device can source up to 10 mA of output current.
- What is the maximum output current sink capability of the ADR443ARZ-REEL7?
The device can sink up to -5 mA of output current.
- What are the available package options for the ADR443ARZ-REEL7?
The device is available in 8-lead MSOP and 8-lead SOIC packages.
- Is the ADR443ARZ-REEL7 RoHS compliant?
- What is the operating temperature range of the ADR443ARZ-REEL7?
The operating temperature range is -40°C to +125°C.
- Can the output voltage of the ADR443ARZ-REEL7 be adjusted?
- What are some typical applications of the ADR443ARZ-REEL7?
The device is typically used in high-end data acquisition systems, optical networks, and medical applications.
