Overview
The REF02AZ/883C is a precision voltage reference IC produced by Analog Devices Inc. This component is part of the REF02 series, which provides a stable +5V output voltage. It is designed to offer high accuracy and stability across various operating conditions, making it suitable for a range of precision applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Output Voltage | VO | A and E grades | 4.985 | 5.000 | 5.015 | V |
| Output Voltage | VO | H grade and nongraded | 4.975 | 5.000 | 5.025 | V |
| Output Voltage | VO | C grade | 4.950 | 5.000 | 5.050 | 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% | ||
| Initial Accuracy | VOERR | H grade and nongraded | ±25 mV | ±0.5% | ||
| Initial Accuracy | VOERR | C grade | ±50 mV | ±1% | ||
| Temperature Coefficient | TCVO | A grade and non-graded, −55°C ≤ TA ≤ +125°C | 3 | 8.5 ppm/°C | ||
| Line Regulation | ∆VO/∆VIN | A, E, H grades and nongraded, VIN = 8 V to 36 V | 60 | 100 ppm/V | ||
| Input Voltage Range | VIN | 7.0 V | 36 V | V | ||
| Supply Current | ISUPPLY | 1.4 mA | mA | |||
| Load Driving Capability | ILOAD | 10 mA | mA |
Key Features
- High Output Accuracy: The REF02AZ/883C offers an output voltage accuracy of ±0.3% maximum for A and E grades, and ±0.5% for H grade and nongraded.
- Adjustable Output: The output voltage can be adjusted over a ±6% range with minimal effect on temperature stability.
- Excellent Temperature Stability: The device features a temperature coefficient of 8.5 ppm/°C maximum for A grade and non-graded, and 25 ppm/°C maximum for E and H grades.
- Low Noise: Typical noise is 15 µV p-p.
- High Supply Voltage Range: The device can operate with an input voltage range of 7.0 V to 36 V.
- Low Supply Current: The supply current is 1.4 mA maximum.
- High Load-Driving Capability: The device can drive loads up to 10 mA).
- Temperature Output Function: The TEMP terminal can be used for temperature sensing with an external buffer and a simple 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 references across various operating conditions).
- Precision Instruments: Applicable in instruments that demand high accuracy and stability).
- Military and Aerospace Applications: Available in military-grade packages (883) for high-stress environments).
Q & A
- What is the output voltage of the REF02AZ/883C?
The output voltage of the REF02AZ/883C is 5.0 V with an accuracy of ±0.3% maximum for A and E grades, and ±0.5% for H grade and nongraded).
- What is the input voltage range for the REF02AZ/883C?
The input voltage range is from 7.0 V to 36 V).
- How much current does the REF02AZ/883C draw from the supply?
The supply current is 1.4 mA maximum).
- What is the temperature coefficient of the REF02AZ/883C?
The temperature coefficient is 8.5 ppm/°C maximum for A grade and non-graded, and 25 ppm/°C maximum for E and H grades).
- Can the output voltage of the REF02AZ/883C be adjusted?
Yes, the output voltage can be adjusted over a ±6% range with minimal effect on temperature stability).
- What is the noise level of the REF02AZ/883C?
The typical noise is 15 µV p-p).
- What are the common applications of the REF02AZ/883C?
Common applications include precision data systems, high resolution converters, industrial process control systems, precision instruments, and military and aerospace applications).
- Is the REF02AZ/883C available in military-grade packages?
Yes, it is available in military-grade packages (883) for high-stress environments).
- How much load can the REF02AZ/883C drive?
The device can drive loads up to 10 mA).
- Can the REF02AZ/883C be used for temperature sensing?
Yes, the TEMP terminal can be used for temperature sensing with an external buffer and a simple resistor network).
