Overview
The REF02CS-REEL7, produced by Analog Devices Inc., is a precision voltage reference IC that provides a stable 5.0 V output. This device is part of the REF01/REF02/REF03 series, known for their high accuracy and stability across various supply voltage, ambient temperature, and load conditions. The REF02CS-REEL7 is particularly suited for applications requiring precise voltage referencing with minimal drift over time and temperature.
Key Specifications
| Parameter | Symbol | Conditions | Min | 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 | ||
| C grade | 4.950 | 5.000 | 5.050 | V | ||
| Input Voltage Range | VIN | 7.0 | 36 | V | ||
| Temperature Coefficient | TCVO | A grade and non-graded, −55°C ≤ TA ≤ +125°C | 3 | 8.5 | ppm/°C | |
| E and H grades, 0°C ≤ TA ≤ +70°C | 10 | 25 | ppm/°C | |||
| Output Noise (0.1 Hz to 10 Hz) | eN p-p | 15 | μV p-p | |||
| Load Current | ILOAD | 10 | mA | |||
| Supply Current | ISUPPLY | 1.4 | mA |
Key Features
- High Output Accuracy: The REF02CS-REEL7 offers an output voltage of 5.0 V with a maximum accuracy of ±0.3%.
- Adjustable Output: The device includes a TRIM terminal for fine adjustment of the output voltage, allowing for ±3% minimum adjustment.
- Excellent Temperature Stability: The temperature coefficient is as low as 8.5 ppm/°C for A grade and non-graded devices.
- Low Noise: The device exhibits low noise characteristics, with a typical noise of 15 μV p-p in the 0.1 Hz to 10 Hz frequency range).
- High Load-Driving Capability: The REF02CS-REEL7 can drive loads up to 10 mA).
- Temperature Sensing: The TEMP terminal can be used for temperature sensing and approximation with an external buffer and resistor network).
- Wide Supply Voltage Range: The device operates over a supply voltage range of 7.0 V to 36 V).
Applications
- Precision Data Systems: Ideal for systems requiring high precision voltage references.
- High Resolution Converters: Suitable for applications involving high-resolution analog-to-digital and digital-to-analog converters.
- Industrial Process Control Systems: Used in industrial settings where stable voltage references are crucial.
- Precision Instruments: Applied in various precision instruments that require stable and accurate voltage references.
- Military and Aerospace Applications: The device is also used in military and aerospace applications due to its high reliability and stability).
Q & A
- What is the output voltage of the REF02CS-REEL7?
The output voltage of the REF02CS-REEL7 is 5.0 V with a maximum accuracy of ±0.3%).
- What is the temperature coefficient of the REF02CS-REEL7?
The temperature coefficient is as low as 8.5 ppm/°C for A grade and non-graded devices).
- Can the output voltage of the REF02CS-REEL7 be adjusted?
Yes, the device includes a TRIM terminal for fine adjustment of the output voltage, allowing for ±3% minimum adjustment).
- What is the noise characteristic of the REF02CS-REEL7?
The device exhibits low noise characteristics, with a typical noise of 15 μV p-p in the 0.1 Hz to 10 Hz frequency range).
- What is the maximum load current that the REF02CS-REEL7 can drive?
The REF02CS-REEL7 can drive loads up to 10 mA).
- Can the REF02CS-REEL7 be used for temperature sensing?
Yes, the TEMP terminal can be used for temperature sensing and approximation with an external buffer and resistor network).
- What is the supply voltage range of the REF02CS-REEL7?
The device operates over a supply voltage range of 7.0 V to 36 V).
- In what packages is the REF02CS-REEL7 available?
The device is available in 8-lead SOIC, PDIP, CERDIP, and TO-99 packages, as well as 20-terminal LCC packages (883 only)).
- What are some typical applications of the REF02CS-REEL7?
The device is used in precision data systems, high resolution converters, industrial process control systems, precision instruments, and military and aerospace applications).
- Is the REF02CS-REEL7 still in production?
No, the REF02CS-REEL7 is listed as obsolete and no longer in production).
