Overview
The REF02CPZ, produced by Analog Devices Inc., is a precision 5V voltage reference component. It is part of the REF01/REF02/REF03 series, known for providing stable output voltages with minimal variation due to changes in supply voltage, ambient temperature, or load conditions. This device is particularly useful in applications requiring high accuracy and stability.
Key Specifications
| Parameter | 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 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% | ||
| 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 | 7.0 V | 36 V | |||
| Quiescent Current | No Load | 1.0 | 1.4 | mA | |
| Load Current (Source) | 10 | 21 | mA | ||
| Load Current (Sink) | -0.3 | -0.5 | mA | ||
| Short-Circuit Current | VOUT = 0 | 30 mA | |||
| Power Dissipation | No Load | 15 | 21 | mW | |
| Temperature Range | REF02A, B, C | -40°C | 85°C |
Key Features
- High Output Accuracy: The REF02CPZ offers an output voltage of 5.0 V with a maximum accuracy of ±0.3%.
- Excellent Temperature Stability: The device has a temperature coefficient of 8.5 ppm/°C maximum, ensuring minimal drift over a wide temperature range.
- Low Noise: Typical noise is 15 µV p-p, making it suitable for high-precision applications.
- High Supply Voltage Range: The REF02CPZ can operate with input voltages ranging from 7.0 V to 36 V.
- Low Supply Current: The quiescent current is 1.4 mA maximum, which is beneficial for power-sensitive designs.
- High Load-Driving Capability: The device can source up to 10 mA and sink up to -0.5 mA.
- Adjustable Output: The output voltage can be adjusted over a ±6% range using an external trim potentiometer.
- 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 in output voltage.
- High Resolution Converters: Suitable for Analog-to-Digital (A/D) and Digital-to-Analog (D/A) converters.
- Industrial Process Control Systems: Used in applications where precise voltage references are critical.
- Precision Instruments: Applicable in digital voltmeters and other precision measurement instruments.
- Military and Aerospace Applications: Available in military-grade packages (883) for high-stress environments.
Q & A
- What is the output voltage of the REF02CPZ?
The output voltage of the REF02CPZ is 5.0 V with an accuracy of ±0.3% maximum.
- What is the temperature coefficient of the REF02CPZ?
The temperature coefficient is 8.5 ppm/°C maximum.
- What is the input voltage range for the REF02CPZ?
The input voltage range is from 7.0 V to 36 V.
- How much current does the REF02CPZ consume?
The quiescent current is 1.4 mA maximum.
- Can the output voltage of the REF02CPZ be adjusted?
Yes, the output voltage can be adjusted over a ±6% range using an external trim potentiometer.
- What are the typical noise levels of the REF02CPZ?
The typical noise is 15 µV p-p.
- What are the available package options for the REF02CPZ?
The device is available in 8-lead SOIC, PDIP, CERDIP, and TO-99 packages, as well as 20-terminal LCC packages (883 only).
- Can the REF02CPZ be used for temperature sensing?
Yes, the TEMP terminal can be used for temperature sensing with an external buffer and resistor network.
- What are some common applications of the REF02CPZ?
Common applications include precision data systems, high resolution converters, industrial process control systems, precision instruments, and military and aerospace applications.
- Is the REF02CPZ suitable for high-stress environments?
Yes, it is available in military-grade packages (883) for high-stress environments.
