Overview
The ADR292FRZ from Analog Devices Inc. is a low noise, micropower precision voltage reference IC that utilizes the advanced XFET reference circuit. This device is part of the ADR291/ADR292 family, which offers significant performance improvements over traditional band gap and buried Zener-based references. The ADR292FRZ is specifically designed to provide a stable and accurate output voltage of 4.096 V, making it ideal for 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 Output Accuracy (VOERR) | - | - | - | ±3 mV, ±4 mV, ±6 mV | - |
| Temperature Coefficient | - | - | - | 8 ppm/°C, 15 ppm/°C, 25 ppm/°C | - |
| Supply Range | - | 4.4 | - | 15 | V |
| Quiescent Current | -40°C ≤ TA ≤ +125°C | 12 | - | 15 | μA |
| Noise (0.1 Hz to 10 Hz) | - | - | 12 μV p-p | - | - |
| Output Current | - | - | - | 5 mA | - |
| Temperature Range | - | -40 | - | 125 | °C |
Key Features
- Low Noise: The ADR292FRZ features low noise performance with 12 μV p-p (0.1 Hz to 10 Hz), making it suitable for high-precision applications.
- Micropower Consumption: With a quiescent current of only 12 μA, this device is ideal for battery-powered instrumentation.
- High Output Current: The device can supply up to 5 mA of output current.
- Temperature Stability: It offers very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability.
- Compact Packaging: Available in 8-lead SOIC, 8-lead TSSOP, and 3-lead TO-92 packages.
Applications
- Battery-Powered Instrumentation: Ideal for devices that require low power consumption and high precision.
- Data Converters: Suitable for use in low power, low voltage reference applications for data converters.
- Voltage Regulators for Portable Equipment: Can be used as a voltage regulator in portable equipment due to its low power and high precision characteristics.
- High Voltage Floating Current Sources: Can be used in applications requiring high voltage floating current sources.
- Kelvin Connections: Useful in applications that require Kelvin connections for precise voltage measurements.
Q & A
- What is the output voltage of the ADR292FRZ?
The output voltage of the ADR292FRZ is 4.096 V.
- What is the quiescent current of the ADR292FRZ?
The quiescent current is only 12 μA.
- What are the available packages for the ADR292FRZ?
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?
The device is specified over the extended industrial temperature range of −40°C to +125°C.
- What are the initial output accuracy options for the ADR292FRZ?
The initial output accuracies are ±3 mV, ±4 mV, and ±6 mV maximum.
- What is the noise performance of the ADR292FRZ?
The noise performance is 12 μV p-p (0.1 Hz to 10 Hz).
- What is the maximum output current of the ADR292FRZ?
The device can supply up to 5 mA of output current.
- Is the ADR292FRZ suitable for battery-powered devices?
Yes, it is ideal for battery-powered instrumentation due to its low power consumption.
- What are some common applications of the ADR292FRZ?
Common applications include battery-powered instrumentation, data converters, voltage regulators for portable equipment, high voltage floating current sources, and Kelvin connections.
- Does the ADR292FRZ have any special temperature drift characteristics?
Yes, it offers very low and ultralinear temperature drift, low thermal hysteresis, and excellent long-term stability.
