Overview
The ADR291GRU is a precision voltage reference IC produced by Analog Devices Inc. This component is designed to provide a stable and accurate voltage reference, making it suitable for a wide range of applications, including precision measurement systems, data acquisition equipment, and other systems requiring reliable voltage references. The ADR291GRU operates within a temperature range of -40°C to 125°C and can be powered with a supply voltage between 3V and 15V. It is known for its low noise performance and high output current, making it an ideal choice for demanding applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Nominal Output Voltage | 2.5 | V |
| Output Voltage Tolerance | ±0.24% | % |
| Output Current | Up to 5 | mA |
| Operating Temperature Range | -40°C to 125°C | °C |
| Supply Voltage Range | 3V to 15V | V |
| Supply Current | 12 µA (max) | µA |
| Noise Voltage (0.1 Hz to 10 Hz) | 8 µV p-p | µV p-p |
| Package/Case | 8-TSSOP (0.173", 4.40mm Width) |
Key Features
- Fixed output voltage of 2.5V with a tolerance of ±0.24%
- Output current up to 5 mA
- Operating temperature range of -40°C to 125°C
- Supply voltage range of 3V to 15V
- Low noise performance: 8µVp-p (0.1Hz to 10Hz)
- Surface mount package with a footprint size of 4.40mm x 0.173"
Applications
- Portable instrumentation
- Precision reference for 3V and 5V systems
- Analog-to-digital and digital-to-analog converter reference
- Solar-powered applications
- Loop-current-powered instruments
Q & A
- What is the nominal output voltage of the ADR291GRU?
The nominal output voltage of the ADR291GRU is 2.5V.
- What is the operating temperature range of the ADR291GRU?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the ADR291GRU?
The supply voltage range is 3V to 15V.
- What is the maximum output current of the ADR291GRU?
The maximum output current is 5 mA.
- What is the noise voltage specification for the ADR291GRU?
The noise voltage is 8µVp-p from 0.1Hz to 10Hz.
- What package type is the ADR291GRU available in?
The ADR291GRU is available in an 8-TSSOP package.
- Is the ADR291GRU RoHS compliant?
- What are some typical applications of the ADR291GRU?
Typical applications include portable instrumentation, precision references for 3V and 5V systems, A/D and D/A converter references, solar-powered applications, and loop-current-powered instruments.
- What is the supply current of the ADR291GRU?
The supply current is 12 µA (max).
- How does the ADR291GRU handle electromagnetic interference (EMI)?
The ADR291GRU is designed with considerations for noise reduction and EMI, ensuring stable operation in various environments.
