Overview
The ADR292FRZ-REEL7, produced by Analog Devices Inc., is a low noise, micropower precision voltage reference. This device utilizes the XFET reference circuit, offering significant performance improvements over traditional band gap and buried Zener-based references. It is designed to provide stable and accurate output voltages, making it ideal for various applications requiring high precision and low power consumption.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (VOUT) | IOUT = 0 mA | 4.093 | 4.096 | 4.099 | V |
| Initial Accuracy (VOERR) | E Grade | - | - | ±3 mV | - |
| Temperature Coefficient (TCVOUT) | E Grade, IOUT = 0 mA | - | 8 | 15 | ppm/°C |
| Line Regulation (∆VOUT/∆VIN) | E/F Grades, VS = 4.5 V to 15 V, IOUT = 0 mA | - | 35 | 125 | ppm/V |
| Load Regulation (∆VOUT/∆ILOAD) | E/F Grades, VS = 5.0 V, IOUT = 0 mA to 5 mA | - | 20 | 125 | ppm/mA |
| Supply Current (IS) | TA = 25°C | - | 12 | 15 | μA |
| Max Output Current | - | - | - | 5 | mA |
| Supply Voltage Range | - | 4.4 | - | 15 | V |
| Operating Temperature Range | - | -40 | - | 125 | °C |
| Package Type | - | - | - | 8-lead SOIC | - |
Key Features
- Low Noise and High Accuracy: The ADR292FRZ-REEL7 features low noise and high accuracy, with initial output accuracies of ±3 mV, ±4 mV, and ±6 mV maximum, depending on the grade.
- Low Quiescent Current: It has a quiescent current of only 12 μA, making it ideal for battery-powered and low-power applications.
- XFET Reference Circuit: Utilizes the XFET architecture, which offers significant performance improvements over traditional band gap and buried Zener-based references, including lower voltage noise and very low temperature drift.
- Excellent Line and Load Regulation: Maintains high performance with line regulation typically 35 ppm/V and load regulation typically 20 ppm/mA.
- Wide Operating Temperature Range: Specified over the extended industrial temperature range of −40°C to +125°C.
- Compact Packaging: Available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages.
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.
- Low Power, Low Voltage Systems: Suitable for handheld, battery-operated equipment and other low-power applications).
- High Voltage Floating Current Source and Kelvin Connections: Can be used in applications requiring precise voltage references in high voltage environments).
- Portable Equipment and Voltage Regulators: Used in voltage regulators for portable equipment due to its low power consumption and high stability).
Q & A
- What is the output voltage of the ADR292FRZ-REEL7?
The output voltage of the ADR292FRZ-REEL7 is 4.096 V).
- What is the quiescent current of the ADR292FRZ-REEL7?
The quiescent current is only 12 μA).
- What are the available packages for the ADR292FRZ-REEL7?
The device is available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages).
- What is the operating temperature range of the ADR292FRZ-REEL7?
The operating temperature range is −40°C to +125°C).
- What are the key features of the XFET reference circuit used in the ADR292FRZ-REEL7?
The XFET architecture offers lower voltage noise, very low temperature drift, low thermal hysteresis, and excellent long-term stability).
- What is the maximum output current of the ADR292FRZ-REEL7?
The maximum output current is 5 mA).
- What are some typical applications for the ADR292FRZ-REEL7?
Typical applications include analog-to-digital and digital-to-analog converters, low power systems, high voltage floating current sources, and voltage regulators for portable equipment).
- How does the ADR292FRZ-REEL7 perform in terms of line and load regulation?
The device maintains high performance with line regulation typically 35 ppm/V and load regulation typically 20 ppm/mA).
- What is the supply voltage range for the ADR292FRZ-REEL7?
The supply voltage range is from 4.4 V to 15 V).
- Is the ADR292FRZ-REEL7 RoHS compliant?
Yes, the ADR292FRZ-REEL7 is RoHS compliant).
