Overview
The ADR440ARZ is a precision voltage reference IC from Analog Devices Inc., part of the XFET® series. This device is known for its ultralow noise, high accuracy, and low temperature drift performance. It is designed to provide a stable 2.048V output voltage and is suitable for various precision signal conversion applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADR440ARZ |
| Package | 8-SOIC (0.154", 3.90mm Width) |
| Output Voltage | 2.048V |
| Output Voltage Tolerance | ±0.15% |
| Output Current | Up to 10 mA (source), up to -5 mA (sink) |
| Input Voltage Range | 3V to 18V |
| Operating Temperature Range | -40°C to 125°C |
| Noise (0.1Hz to 10Hz) | 1µVp-p |
| Temperature Coefficient | 10ppm/°C |
Key Features
- Ultralow noise performance
- High accuracy with ±0.15% output voltage tolerance
- Low temperature drift using patented temperature drift curvature correction and XFET technology
- Capability to source up to 10 mA and sink up to -5 mA of output current
- Trim terminal for adjusting output voltage over a 0.5% range without compromising performance
- Low supply voltage headroom (500 mV)
- Surface mount package options (8-lead MSOP and narrow SOIC)
Applications
The ADR440ARZ 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 ADR440ARZ?
The output voltage of the ADR440ARZ is 2.048V. - What is the output voltage tolerance of the ADR440ARZ?
The output voltage tolerance is ±0.15%. - What is the maximum output current of the ADR440ARZ?
The ADR440ARZ can source up to 10 mA of output current. - What is the operating temperature range of the ADR440ARZ?
The operating temperature range is -40°C to 125°C. - What type of noise performance does the ADR440ARZ offer?
The ADR440ARZ offers ultralow noise performance, with 1µVp-p noise in the 0.1Hz to 10Hz range. - What is the temperature coefficient of the ADR440ARZ?
The temperature coefficient is 10ppm/°C. - In what package types is the ADR440ARZ available?
The ADR440ARZ is available in 8-lead MSOP and narrow SOIC packages. - What is the input voltage range for the ADR440ARZ?
The input voltage range is 3V to 18V. - Does the ADR440ARZ have a trim terminal for adjusting output voltage?
Yes, the ADR440ARZ has a trim terminal to adjust the output voltage over a 0.5% range. - What are some typical applications of the ADR440ARZ?
Typical applications include high-end data acquisition systems, optical networks, and medical applications.
