Overview
The ADR292GRZ is a low noise, micropower precision voltage reference produced by Analog Devices Inc. It utilizes the XFET® reference circuit, which offers significant performance improvements over traditional band gap and buried Zener-based references. This device is part of the ADR291/ADR292 family, known for its high accuracy, low noise, and excellent long-term stability.
The ADR292GRZ is specifically designed to provide a stable output voltage of 4.096 V, making it ideal for precision analog circuits, data acquisition systems, and various instrumentation applications. Its ultra-low noise and low thermal hysteresis ensure reliable operation across a wide range of temperatures.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (VOUT) | IOUT = 0 mA | 4.093 | 4.096 | 4.099 | V |
| Initial Accuracy (VOERR) | IOUT = 0 mA | - | - | ±3 mV, ±4 mV, ±6 mV | mV |
| Supply Voltage (VS) | - | 5 | - | 15 | V |
| Supply Current (IS) | TA = 25°C | - | 12 μA | 15 μA | μA |
| Output Current (IOUT) | - | - | - | 5 mA | mA |
| Temperature Range (TA) | - | -40°C | - | 125°C | °C |
| Temperature Coefficient | - | - | - | 8 ppm/°C, 15 ppm/°C, 25 ppm/°C | ppm/°C |
| Noise (0.1 Hz to 10 Hz) | - | - | - | 12 μV p-p | μV p-p |
| Package | - | - | - | 8-lead SOIC, 8-lead TSSOP | - |
Key Features
- Low Noise: The ADR292GRZ features ultra-low noise of 12 μV p-p (0.1 Hz to 10 Hz), making it suitable for high-precision applications.
- High Accuracy: Initial output accuracies of ±3 mV, ±4 mV, and ±6 mV ensure high precision in voltage reference.
- Low Power Consumption: Quiescent current is only 12 μA, ideal for battery-powered instrumentation.
- Wide Operating Temperature Range: Specified over the extended industrial temperature range of −40°C to +125°C.
- Low Thermal Hysteresis: Ensures stable operation with minimal drift due to temperature changes.
- High Output Current: Capable of delivering up to 5 mA of output current.
- Compact Packaging: Available in 8-lead SOIC and 8-lead TSSOP packages.
Applications
- Precision Analog Circuits: Ideal for applications requiring high accuracy and low noise voltage references.
- Data Acquisition Systems: Suitable for data acquisition systems that demand stable and accurate voltage references.
- Instrumentation and Test Equipment: Used in various instrumentation and test equipment due to its high precision and stability.
- Industrial Controls: Applicable in industrial control systems where reliable voltage references are crucial.
- Medical Devices: Used in medical devices that require high accuracy and low noise voltage references.
Q & A
- What is the output voltage of the ADR292GRZ?
The output voltage of the ADR292GRZ is 4.096 V.
- What is the supply voltage range for the ADR292GRZ?
The supply voltage range for the ADR292GRZ is from 5 V to 15 V.
- What is the quiescent current of the ADR292GRZ?
The quiescent current of the ADR292GRZ is 12 μA.
- What is the temperature range for the ADR292GRZ?
The ADR292GRZ is specified over the extended industrial temperature range of −40°C to +125°C.
- What are the available packages for the ADR292GRZ?
The ADR292GRZ is available in 8-lead SOIC and 8-lead TSSOP packages.
- What is the noise level of the ADR292GRZ?
The noise level of the ADR292GRZ is 12 μV p-p (0.1 Hz to 10 Hz).
- What are the typical applications of the ADR292GRZ?
The ADR292GRZ is typically used in precision analog circuits, data acquisition systems, instrumentation and test equipment, industrial controls, and medical devices.
- What is the output current capability of the ADR292GRZ?
The ADR292GRZ can deliver up to 5 mA of output current.
- What are the initial output accuracies available for the ADR292GRZ?
The initial output accuracies available for the ADR292GRZ are ±3 mV, ±4 mV, and ±6 mV.
- Is the ADR292GRZ RoHS compliant?
Yes, the ADR292GRZ is lead-free and RoHS compliant.
