Overview
The ADR292FRZ-REEL, produced by Analog Devices Inc., is a precision voltage reference IC that belongs to the ADR291/ADR292 family. This device is designed to provide a stable and accurate output voltage of 4.096 V, making it ideal for various applications requiring high precision and low noise. The ADR292 uses an XFET® reference circuit, which offers significant performance improvements over traditional band gap and buried Zener-based references, including lower voltage noise, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability.
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 | - | - | ±3 mV, ±4 mV, ±6 mV | - | |
| Supply Range | VS | - | 4.4 V | - | 15 V | |
| Quiescent Current | IS | TA = 25°C | - | 12 μA | 15 μA | |
| Output Current | IOUT | - | - | - | 5 mA | |
| Temperature Range | TA | - | -40°C | - | +125°C | |
| Noise (0.1 Hz to 10 Hz) | - | - | - | 8 μV, 12 μV p-p | - | |
| Temperature Coefficient | - | - | 8 ppm/°C, 15 ppm/°C, 25 ppm/°C | - | - |
Key Features
- Low noise: 8 μV and 12 μV p-p (0.1 Hz to 10 Hz)
- High output current: 5 mA
- Low quiescent current: 12 μA, making it ideal for battery-powered instrumentation
- Wide supply range: 4.4 V to 15 V
- Extended industrial temperature range: -40°C to +125°C
- Available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages
- Pin compatible with REF02 / REF191
- Excellent long-term stability and low thermal hysteresis
Applications
- Battery-powered instrumentation
- High voltage floating current sources
- Kelvin connections
- Low power, low voltage references for data converters
- Voltage regulators for portable equipment
Q & A
- What is the output voltage of the ADR292FRZ-REEL? The output voltage of the ADR292FRZ-REEL is 4.096 V.
- What is the quiescent current of the ADR292FRZ-REEL? The quiescent current is 12 μA.
- What are the available packages for the ADR292FRZ-REEL? The device is available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages.
- What is the temperature range of the ADR292FRZ-REEL? The device operates over an extended industrial temperature range of -40°C to +125°C.
- What are the key improvements of the XFET® reference circuit? The XFET® reference circuit offers lower voltage noise, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability.
- Is the ADR292FRZ-REEL suitable for battery-powered devices? Yes, it is ideal for battery-powered instrumentation due to its low quiescent current.
- What is the maximum output current of the ADR292FRZ-REEL? The maximum output current is 5 mA.
- What are some common applications of the ADR292FRZ-REEL? Common applications include high voltage floating current sources, Kelvin connections, low power references for data converters, and voltage regulators for portable equipment.
- How does the ADR292FRZ-REEL compare to traditional band gap and buried Zener-based references? It offers one quarter the voltage noise output of band gap references operating at the same current.
- What are the initial output accuracy options for the ADR292FRZ-REEL? The initial output accuracies are ±3 mV, ±4 mV, and ±6 mV.
