Overview
The ADR291GRUZ-REEL is a precision voltage reference IC produced by Analog Devices Inc. It is part of the XFET® series, known for its low noise and micropower characteristics. This device is particularly suited for applications requiring high accuracy and low power consumption, making it ideal for use in battery-operated and handheld equipment. The ADR291 provides a fixed output voltage of 2.5V with high stability and low quiescent current, making it a reliable choice for various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Output Voltage Accuracy | ±0.24% | |
| Supply Voltage Range | 2.8 to 15 | V |
| Quiescent Current | 12 μA (max) | |
| Noise (0.1 Hz to 10 Hz) | 8 μV p-p | |
| Output Current Capability | 5 mA | |
| Temperature Range | -40°C to +125°C | |
| Package Type | 8-TSSOP |
Key Features
- Low noise: 8 μV peak-to-peak (0.1 Hz to 10 Hz).
- High accuracy: Output voltage accuracy of ±0.24%.
- Low quiescent current: Maximum of 12 μA.
- High output current capability: Up to 5 mA.
- Wide supply voltage range: 2.8 V to 15 V.
- Temperature stability: Operating temperature range from -40°C to +125°C.
- XFET® reference circuit for high stability and precision.
Applications
The ADR291GRUZ-REEL is well-suited for a variety of applications, including:
- Analog-to-digital and digital-to-analog converters: Ideal for converters that require high accuracy and low power consumption, such as the AD7701 16-bit ADC.
- Low power, battery-operated equipment: Suitable for handheld and portable devices due to its low quiescent current and high accuracy.
- Voltage regulators for portable equipment: Can be used as a reference voltage in voltage regulator circuits.
- High voltage floating current sources: Can be used in applications requiring stable voltage references in high voltage environments.
Q & A
- What is the output voltage of the ADR291GRUZ-REEL? The output voltage is 2.5 V.
- What is the quiescent current of the ADR291GRUZ-REEL? The quiescent current is a maximum of 12 μA.
- What is the noise level of the ADR291GRUZ-REEL? The noise level is 8 μV peak-to-peak from 0.1 Hz to 10 Hz.
- What is the maximum output current capability of the ADR291GRUZ-REEL? The maximum output current capability is 5 mA.
- What is the operating temperature range of the ADR291GRUZ-REEL? The operating temperature range is from -40°C to +125°C.
- What type of package does the ADR291GRUZ-REEL come in? The ADR291GRUZ-REEL comes in an 8-TSSOP package.
- Is the ADR291GRUZ-REEL suitable for battery-operated devices? Yes, it is suitable due to its low quiescent current and high accuracy.
- Can the ADR291GRUZ-REEL be used with analog-to-digital converters? Yes, it is ideal for use with analog-to-digital and digital-to-analog converters.
- What is the supply voltage range for the ADR291GRUZ-REEL? The supply voltage range is from 2.8 V to 15 V.
- What technology is used in the ADR291GRUZ-REEL for its reference circuit? The ADR291GRUZ-REEL uses an XFET® reference circuit.
