Overview
The ADR291GRUZ-REEL7 is a low noise, micropower precision voltage reference produced by Analog Devices Inc. This component utilizes the XFET® reference circuit, which offers significant performance improvements over traditional band gap and buried zener-based references. It is known for its low voltage noise output, very low and ultra-linear temperature drift, low thermal hysteresis, and excellent long-term stability.
Key Specifications
| Parameter | Description |
|---|---|
| Output Voltage | 4.096 V (typical) |
| Supply Voltage Range | 2.8 V to 15 V |
| Supply Current | 15 μA (maximum) |
| Output Current | 5 mA |
| Temperature Coefficient | 25 ppm/°C (G Grade) |
| Noise (0.1 Hz to 10 Hz) | 8 μV and 12 μV p-p |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 8-TSSOP |
| Mounting Type | Surface Mount |
Key Features
- Low noise output: One quarter the voltage noise of band gap references operating at the same current.
- Ultra-linear temperature drift and low thermal hysteresis.
- Excellent long-term stability.
- High output current capability of up to 5 mA.
- Wide supply voltage range from 2.8 V to 15 V.
- Low supply current of 15 μA maximum).
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).
- Voltage regulator for portable equipment).
Q & A
- What is the output voltage of the ADR291GRUZ-REEL7? The output voltage is typically 4.096 V).
- What is the supply voltage range for the ADR291GRUZ-REEL7? The supply voltage range is from 2.8 V to 15 V).
- What is the maximum supply current of the ADR291GRUZ-REEL7? The maximum supply current is 15 μA).
- What is the maximum output current of the ADR291GRUZ-REEL7? The maximum output current is 5 mA).
- What is the temperature coefficient of the ADR291GRUZ-REEL7? The temperature coefficient is 25 ppm/°C for the G Grade).
- What is the operating temperature range of the ADR291GRUZ-REEL7? The operating temperature range is from -40°C to 125°C).
- What package type is the ADR291GRUZ-REEL7 available in? The ADR291GRUZ-REEL7 is available in an 8-TSSOP package).
- What are some common applications of the ADR291GRUZ-REEL7? Common applications include portable instrumentation, precision references for 3V and 5V systems, and solar-powered applications).
- What is the noise performance of the ADR291GRUZ-REEL7? The noise performance is 8 μV and 12 μV p-p (0.1 Hz to 10 Hz)).
- Is the ADR291GRUZ-REEL7 suitable for low power applications? Yes, it is suitable for low power applications with a supply current of 15 μA maximum).
