Overview
The ADR292GRUZ-REEL7 is a low noise, micropower precision voltage reference produced by Analog Devices Inc. It utilizes the XFET® reference circuit, which offers significant improvements in noise performance and temperature stability. This component is part of the ADR291 and ADR292 family, known for their high accuracy and low power consumption, making them ideal for a variety of applications, especially in low power and low voltage systems.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VOUT | IOUT = 0 mA | 4.093 | 4.096 | 4.099 | V |
| Initial Accuracy | VOERR | E/F Grades | - | - | 5 ppm (E Grade), 20 ppm (F Grade), 30 ppm (G Grade) | ppm |
| Line Regulation | ΔVOUT/ΔVIN | VS = 4.5 V to 15 V, IOUT = 0 mA | - | 40 ppm/V (E/F Grades), 70 ppm/V (G Grade) | 200 ppm/V (E/F Grades), 250 ppm/V (G Grade) | ppm/V |
| Load Regulation | ΔVOUT/ΔILOAD | VS = 5.0 V, IOUT = 0 mA to 5 mA | - | 20 ppm/mA (E/F Grades), 30 ppm/mA (G Grade) | 200 ppm/mA (E/F Grades), 300 ppm/mA (G Grade) | ppm/mA |
| Supply Current | IS | TA = 25°C | 10 | 15 | 18 | μA |
| Thermal Hysteresis | VOUT-HYS | - | - | - | 50 ppm | ppm |
| Supply Voltage | VS | - | - | - | 18 V | V |
| Operating Temperature Range | TA | - | -40°C | - | 125°C | °C |
Key Features
- Low Noise and High Accuracy: The ADR292GRUZ-REEL7 features low noise and high accuracy, making it suitable for precision applications.
- Micropower Consumption: It has a low quiescent current of up to 18 μA, ideal for battery-operated and low power devices.
- XFET Reference Circuit: Utilizes the XFET architecture, which enhances noise performance and temperature stability.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it versatile for various environmental conditions.
- Compact Packaging: Available in an 8-lead TSSOP package, which is compact and suitable for space-constrained designs.
Applications
- Analog-to-Digital and Digital-to-Analog Converters: Ideal for use with data converters due to its low supply voltage and high accuracy, such as the AD7701 16-bit ADC.
- Portable Equipment: Suitable for handheld, battery-operated equipment due to its low power consumption.
- Voltage Regulators: Can be used as a voltage regulator for portable equipment requiring stable voltage references.
- High Voltage Floating Current Sources: Can be used in applications requiring high voltage floating current sources.
- Kelvin Connections: Useful in applications requiring Kelvin connections for precise voltage measurements.
Q & A
- What is the output voltage of the ADR292GRUZ-REEL7? The output voltage is 4.096 V.
- What is the typical supply current of the ADR292GRUZ-REEL7? The typical supply current is 15 μA at 25°C.
- What is the operating temperature range of the ADR292GRUZ-REEL7? The operating temperature range is from -40°C to 125°C.
- What is the package type of the ADR292GRUZ-REEL7? It is available in an 8-lead TSSOP package.
- Is the ADR292GRUZ-REEL7 suitable for low power applications? Yes, it is highly suitable due to its low quiescent current and micropower consumption.
- Can the ADR292GRUZ-REEL7 be used with analog-to-digital converters? Yes, it is ideal for use with data converters such as the AD7701.
- What is the line regulation of the ADR292GRUZ-REEL7? The line regulation is 40 ppm/V for E/F grades and 70 ppm/V for G grade.
- What is the thermal hysteresis of the ADR292GRUZ-REEL7? The thermal hysteresis is 50 ppm.
- Is the ADR292GRUZ-REEL7 suitable for high voltage applications? Yes, it can operate with supply voltages up to 18 V.
- What are some common applications of the ADR292GRUZ-REEL7? Common applications include portable equipment, voltage regulators, and high voltage floating current sources.
