Overview
The ADR440BRZ-REEL7 is a high-performance voltage reference from Analog Devices Inc., part of the ADR440/ADR441/ADR443/ADR444/ADR445 series. This XFET® voltage reference is known for its ultralow noise, high accuracy, and low temperature drift, making it ideal for precision signal conversion applications. The device is available in an 8-lead narrow SOIC package and is specified over the extended industrial temperature range of −40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.048 | V |
| Initial Accuracy | ±1 | mV |
| Temperature Coefficient | 3 | ppm/°C |
| Supply Voltage Operating Range | 5.5 to 18 | V |
| Supply Voltage Headroom | 500 mV | mV |
| Output Current (Source) | Up to 10 | mA |
| Output Current (Sink) | Up to −5 | mA |
| Operating Temperature Range | −40 to +125 | °C |
| Package Type | 8-lead narrow SOIC |
Key Features
- Ultralow Noise: The ADR440BRZ-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 3 ppm/°C.
- Low Temperature Drift: The device exhibits 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.
Applications
The ADR440BRZ-REEL7 is ideally suited for various high-precision applications, including:
- Precision Signal Conversion: In high-end data acquisition systems.
- Optical Networks: For stable voltage references in optical communication systems.
- Medical Applications: Where high accuracy and low noise are critical.
Q & A
- What is the output voltage of the ADR440BRZ-REEL7?
The output voltage of the ADR440BRZ-REEL7 is 2.048 V.
- What is the initial accuracy of the ADR440BRZ-REEL7?
The initial accuracy is ±1 mV.
- What is the temperature coefficient of the ADR440BRZ-REEL7?
The temperature coefficient is 3 ppm/°C.
- What is the supply voltage operating range of the ADR440BRZ-REEL7?
The supply voltage operating range is from 5.5 V to 18 V.
- What is the maximum output current that the ADR440BRZ-REEL7 can source?
The device can source up to 10 mA of output current.
- What is the maximum output current that the ADR440BRZ-REEL7 can sink?
The device can sink up to −5 mA of output current.
- What is the operating temperature range of the ADR440BRZ-REEL7?
The operating temperature range is from −40°C to +125°C.
- In what package type is the ADR440BRZ-REEL7 available?
The device is available in an 8-lead narrow SOIC package.
- Can the output voltage of the ADR440BRZ-REEL7 be adjusted?
- What are some typical applications of the ADR440BRZ-REEL7?
Typical applications include precision signal conversion in high-end data acquisition systems, optical networks, and medical applications.
