Overview
The ADR292ERZ-REEL is a precision voltage reference IC produced by Analog Devices Inc. It is part of the ADR291/ADR292 family, which utilizes the advanced XFET® reference circuit architecture. This architecture 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. The ADR292ERZ-REEL is specifically designed to provide a stable and accurate output voltage of 4.096 V, making it ideal for various applications requiring high precision and reliability.
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 | IOUT = 0 mA | -3 mV | - | 3 mV | mV |
| Supply Range | VS | - | 4.4 V | - | 15 V | 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 | TCVOUT | - | - | 8 ppm/°C | 25 ppm/°C | ppm/°C |
| Line Regulation | ∆VOUT/∆VIN | IOUT = 0 mA | - | 30 ppm/V | 200 ppm/V | ppm/V |
| Load Regulation | ∆VOUT/∆ILOAD | VS = 5.0 V, IOUT = 0 mA to 5 mA | - | 30 ppm/mA | 300 ppm/mA | ppm/mA |
Key Features
- Low noise: 8 μV and 12 μV p-p (0.1 Hz to 10 Hz)
- High output current: up to 5 mA
- Low quiescent current: 12 μA maximum
- Very low and ultralinear temperature drift
- Low thermal hysteresis
- Excellent long-term stability
- Available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages
- Extended industrial temperature range: -40°C to +125°C
Applications
- Battery-powered instrumentation
- High voltage floating current source
- Kelvin connections
- Low power, low voltage reference for data converters
- Voltage regulator for portable equipment
Q & A
- What is the output voltage of the ADR292ERZ-REEL?
The output voltage of the ADR292ERZ-REEL is 4.096 V.
- What is the supply range for the ADR292ERZ-REEL?
The supply range for the ADR292ERZ-REEL is from 4.4 V to 15 V.
- What is the maximum output current of the ADR292ERZ-REEL?
The maximum output current of the ADR292ERZ-REEL is 5 mA.
- What are the available package types for the ADR292ERZ-REEL?
The ADR292ERZ-REEL is available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages.
- What is the temperature range for the ADR292ERZ-REEL?
The temperature range for the ADR292ERZ-REEL is from -40°C to +125°C.
- What is the quiescent current of the ADR292ERZ-REEL?
The quiescent current of the ADR292ERZ-REEL is 12 μA maximum.
- What are the key improvements of the XFET® reference circuit over traditional references?
The XFET® reference circuit offers lower voltage noise, very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability compared to traditional band gap and buried Zener-based references.
- What are some typical applications for the ADR292ERZ-REEL?
Typical applications include battery-powered instrumentation, high voltage floating current source, Kelvin connections, low power, low voltage reference for data converters, and voltage regulator for portable equipment.
- What are the initial output accuracy options for the ADR292ERZ-REEL?
The initial output accuracy options for the ADR292ERZ-REEL are ±3 mV, ±4 mV, and ±6 mV maximum.
- How does the line regulation of the ADR292ERZ-REEL perform?
The line regulation of the ADR292ERZ-REEL is typically 30 ppm/V.
