Overview
The ADR381ARTZ-R2 is a micropower, low dropout voltage (LDV) voltage reference IC produced by Analog Devices Inc. This device is part of the ADR381 series, which includes bandgap voltage references with output voltages of 2.048 V and 2.5 V. The ADR381ARTZ-R2 specifically provides a stable output voltage of 2.5 V. It is designed to operate from supplies as low as 300 mV above the output voltage, making it highly versatile for various applications. The device is packaged in a compact 3-lead SOT-23 package and is specified over the industrial temperature range of -40°C to +85°C.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 2.5 V ±0.24% |
| Package Type | 3-Lead SOT-23 |
| Temperature Range | -40°C to +85°C |
| Minimum Supply Voltage | 300 mV above output voltage |
| Maximum Current | 5 mA |
| RoHS Compliance | Yes |
Key Features
- Micropower operation, suitable for battery-powered devices
- Low dropout voltage, allowing operation from supplies close to the output voltage
- High accuracy output voltage with ±0.24% tolerance
- Compact 3-lead SOT-23 package for space-saving designs
- Industrial temperature range (-40°C to +85°C) for robust performance in various environments
Applications
The ADR381ARTZ-R2 is suitable for a variety of applications where a stable and accurate voltage reference is required. These include:
- Battery-powered devices where low power consumption is crucial
- Industrial control systems that require reliable voltage references over a wide temperature range
- Medical devices that demand high accuracy and stability
- Aerospace and defense applications where robust performance in harsh environments is necessary
- Automotive systems that require reliable operation in varying temperatures
Q & A
- What is the output voltage of the ADR381ARTZ-R2?
The output voltage of the ADR381ARTZ-R2 is 2.5 V with a tolerance of ±0.24%.
- What is the minimum supply voltage required for the ADR381ARTZ-R2?
The minimum supply voltage required is 300 mV above the output voltage.
- What is the temperature range for the ADR381ARTZ-R2?
The device is specified over the industrial temperature range of -40°C to +85°C.
- What package type is the ADR381ARTZ-R2 available in?
The ADR381ARTZ-R2 is available in a 3-lead SOT-23 package.
- Is the ADR381ARTZ-R2 RoHS compliant?
Yes, the ADR381ARTZ-R2 is RoHS compliant.
- What are some typical applications for the ADR381ARTZ-R2?
Typical applications include battery-powered devices, industrial control systems, medical devices, aerospace and defense, and automotive systems.
- What is the maximum current that the ADR381ARTZ-R2 can supply?
The maximum current that the ADR381ARTZ-R2 can supply is 5 mA.
- Why is the ADR381ARTZ-R2 considered micropower?
The ADR381ARTZ-R2 is considered micropower due to its low power consumption, making it suitable for battery-powered devices.
- Where can I find detailed documentation and datasheets for the ADR381ARTZ-R2?
Detailed documentation and datasheets can be found on the Analog Devices website and through distributors like Digi-Key and Mouser.
- Is the ADR381ARTZ-R2 suitable for high-temperature environments?
Yes, the ADR381ARTZ-R2 is specified to operate over the industrial temperature range of -40°C to +85°C, making it suitable for high-temperature environments.
