Overview
The ADR443BRZ-REEL7 is a high-performance voltage reference IC from Analog Devices Inc., part of the ADR440/ADR441/ADR443/ADR444/ADR445 family. This device is known for its ultralow noise, high accuracy, and low temperature drift, making it ideal for precision signal conversion applications. The ADR443BRZ-REEL7 is particularly suited for use in high-end data acquisition systems, optical networks, and medical applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VOUT | 2.996 | 3.000 | 3.004 | V |
| Initial Accuracy | VOERR | ±1 | - | - | mV |
| Temperature Coefficient | TCVOUT | 1 | - | 3 | ppm/°C |
| Line Regulation | ΔVOUT/ΔVIN | 10 | - | 20 | ppm/V |
| Load Regulation | ΔVOUT/ΔILOAD | -50 | - | 50 | ppm/mA |
| Supply Voltage Operating Range | VIN | 5.5 | - | 18 | V |
| Supply Voltage Headroom | VIN - VOUT | 500 | - | - | mV |
| Output Current Capability | - | - | 10 mA (source), -5 mA (sink) | - | - |
| Operating Temperature Range | TA | -40 | - | 125 | °C |
Key Features
- Ultralow Noise: The ADR443BRZ-REEL7 features ultralow noise, which is crucial for high-precision applications.
- High Accuracy: It offers high accuracy with an initial accuracy of ±1 mV and a temperature coefficient of 1 to 3 ppm/°C.
- Low Temperature Drift: The device has a low temperature drift, ensuring stable performance across a wide temperature range.
- Adjustable Output Voltage: The trim terminal allows for adjusting the output voltage over a 0.5% range without compromising performance.
- High Output Current Capability: It can source up to 10 mA and sink up to -5 mA of output current.
- Wide Operating Temperature Range: The device operates over an extended industrial temperature range of -40°C to +125°C.
- Compact Packaging: Available in 8-lead MSOP and narrow SOIC packages.
Applications
- High-End Data Acquisition Systems: Ideal for precision signal conversion in data acquisition systems.
- Optical Networks: Suitable for applications requiring high stability and accuracy in optical networks.
- Medical Applications: Used in medical devices where precise voltage references are critical.
- Industrial Automation: Can be used in various industrial automation applications requiring stable voltage references.
Q & A
- What is the output voltage of the ADR443BRZ-REEL7?
The output voltage of the ADR443BRZ-REEL7 is 3.000 V with an initial accuracy of ±1 mV.
- What is the temperature coefficient of the ADR443BRZ-REEL7?
The temperature coefficient is 1 to 3 ppm/°C.
- What is the operating temperature range of the ADR443BRZ-REEL7?
The operating temperature range is -40°C to +125°C.
- Can the output voltage of the ADR443BRZ-REEL7 be adjusted?
- What is the maximum output current capability of the ADR443BRZ-REEL7?
The device can source up to 10 mA and sink up to -5 mA of output current.
- What are the typical applications of the ADR443BRZ-REEL7?
Typical applications include high-end data acquisition systems, optical networks, and medical applications.
- What is the supply voltage operating range of the ADR443BRZ-REEL7?
The supply voltage operating range is 5.5 V to 18 V.
- What is the supply voltage headroom required for the ADR443BRZ-REEL7?
The supply voltage headroom required is 500 mV.
- In what packages is the ADR443BRZ-REEL7 available?
The device is available in 8-lead MSOP and narrow SOIC packages.
- Is the ADR443BRZ-REEL7 suitable for industrial automation applications?
