Overview
The ADR291GRZ is a precision voltage reference IC manufactured by Analog Devices Inc. This component is part of the XFET® series, known for its low noise and micropower characteristics. It provides a stable 2.5V output voltage, making it suitable for a variety of applications requiring precise voltage referencing.
The device operates over a wide temperature range from -40°C to 125°C and has a low supply current of 15µA, making it ideal for power-sensitive designs. The ADR291GRZ is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package, which is surface mountable and RoHS compliant.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Product Name | ADR291GRZ | |
| Product Classification | Voltage Reference | |
| Output Voltage | 2.5V | V |
| Output Voltage Accuracy | ±0.24% | % |
| Package | 8-SOIC (0.154", 3.90mm Width) | |
| Number of Channels | 1 | |
| Maximum Input Voltage | 18V | V |
| Output Current | 5mA | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Supply Current | 15µA | µA |
| Temperature Coefficient | 30ppm/°C | ppm/°C |
| Noise (0.1Hz to 10Hz) | 50µVp-p | µVp-p |
Key Features
- Low Noise and Micropower: The ADR291GRZ features low noise and micropower consumption, making it suitable for battery-powered and power-sensitive applications.
- Precision Voltage Reference: Provides a precise 2.5V output voltage with an accuracy of ±0.24%.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, ensuring stability across various environmental conditions.
- Low Supply Current: Consumes only 15µA of supply current, which is beneficial for low-power designs.
- Surface Mount Package: Packaged in an 8-lead SOIC, which is surface mountable and RoHS compliant.
- High Stability: Features a temperature coefficient of 30ppm/°C, ensuring stable output voltage across different temperatures.
Applications
- Data Converters: Ideal for use in data converters where precise voltage referencing is crucial.
- Voltage Regulators for Portable Equipment: Suitable for voltage regulation in portable devices due to its low power consumption and high stability.
- High Voltage Floating Current Sources: Can be used in high voltage floating current source applications.
- Kelvin Connections: Useful in Kelvin connection configurations for precise voltage sensing.
- General Analog Circuits: Applicable in various analog circuits requiring a stable and precise voltage reference.
Q & A
- What is the output voltage of the ADR291GRZ?
The output voltage of the ADR291GRZ is 2.5V.
- What is the accuracy of the output voltage?
The output voltage accuracy is ±0.24%.
- What is the package type of the ADR291GRZ?
The ADR291GRZ is packaged in an 8-lead SOIC (Small Outline Integrated Circuit).
- What is the operating temperature range of the ADR291GRZ?
The operating temperature range is from -40°C to 125°C.
- How much supply current does the ADR291GRZ consume?
The ADR291GRZ consumes 15µA of supply current.
- What is the maximum input voltage for the ADR291GRZ?
The maximum input voltage is 18V.
- What is the output current capability of the ADR291GRZ?
The output current capability is 5mA.
- Is the ADR291GRZ RoHS compliant?
Yes, the ADR291GRZ is RoHS compliant.
- What is the temperature coefficient of the ADR291GRZ?
The temperature coefficient is 30ppm/°C.
- What are some common applications of the ADR291GRZ?
Common applications include data converters, voltage regulators for portable equipment, high voltage floating current sources, and general analog circuits.
