Overview
The REF02HPZ is a precision voltage reference IC produced by Analog Devices Inc. It is part of the REF01/REF02/REF03 series, which provides stable voltage outputs with minimal variation due to changes in supply voltage, ambient temperature, or load conditions. The REF02HPZ specifically offers a 5.0 V output voltage, making it suitable for a wide range of applications requiring high accuracy and stability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VO | A and E grades | 4.985 | 5.000 | 5.015 | V |
| H grade and nongraded | 4.975 | 5.000 | 5.025 | V | ||
| Output Adjustment Range | ΔVTRIM | A, E, H grades and nongraded, POT = 10 kΩ | ±3.0 | ±6.0 | % | |
| Initial Accuracy | VOERR | A and E grades | ±15 mV | ±0.3 % | ||
| H grade and nongraded | ±25 mV | ±0.5 % | ||||
| Temperature Coefficient | TCVO | A grade and non-graded, −55°C ≤ TA ≤ +125°C | 3 | 8.5 | ppm/°C | |
| Line Regulation | ∆VO/∆VIN | VIN = 8 V to 36 V, 0°C ≤ TA ≤ +70°C | 60 | 100 | ppm/V | |
| Input Voltage Range | VIN | 7.0 V | 36 V | |||
| Supply Current | ISUPPLY | 1.4 | mA | |||
| Load Driving Capability | ILOAD | 10 | mA |
Key Features
- High Output Accuracy: The REF02HPZ offers an output voltage of 5.0 V with a maximum accuracy of ±0.3%.
- Adjustable Output: The output voltage can be adjusted by ±3% minimum using the TRIM terminal.
- Excellent Temperature Stability: The device has a temperature coefficient of 8.5 ppm/°C maximum.
- Low Noise: Typical noise is 15 µV p-p.
- High Supply Voltage Range: The device can operate with input voltages from 7.0 V to 36 V.
- Low Supply Current: Maximum supply current is 1.4 mA.
- High Load-Driving Capability: The device can drive loads up to 10 mA.
- Temperature Sensing: The TEMP terminal can be used for temperature sensing with an external buffer and resistor network.
Applications
- Precision Data Systems: Ideal for systems requiring high accuracy and stability.
- High Resolution Converters: Suitable for applications needing precise voltage references.
- Industrial Process Control Systems: Used in systems that require stable voltage outputs.
- Precision Instruments: Applicable in various precision measurement instruments.
- Military and Aerospace Applications: Available in military-grade packages for high-stress environments.
Q & A
- What is the output voltage of the REF02HPZ?
The output voltage of the REF02HPZ is 5.0 V. - What is the initial accuracy of the REF02HPZ?
The initial accuracy is ±0.3% for A and E grades, and ±0.5% for H grade and nongraded. - What is the temperature coefficient of the REF02HPZ?
The temperature coefficient is 8.5 ppm/°C maximum. - What is the input voltage range for the REF02HPZ?
The input voltage range is from 7.0 V to 36 V. - Can the output voltage of the REF02HPZ be adjusted?
Yes, the output voltage can be adjusted by ±3% minimum using the TRIM terminal. - What is the maximum load-driving capability of the REF02HPZ?
The device can drive loads up to 10 mA. - Is the REF02HPZ suitable for high-stress applications?
Yes, it is available in various packages, including those suitable for high-stress environments. - Can the REF02HPZ be used for temperature sensing?
Yes, the TEMP terminal can be used for temperature sensing with an external buffer and resistor network. - What is the typical noise of the REF02HPZ?
The typical noise is 15 µV p-p. - Is the REF02HPZ RoHS compliant?
Yes, the REF02HPZ is RoHS compliant.
