Overview
The REF02CSZ 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 change in response to variations in supply voltage, ambient temperature, or load conditions. This device is particularly useful in applications requiring high accuracy and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.000 | V |
| Output Voltage Accuracy | ±0.3% (A and E grades), ±0.5% (H grade), ±1% (C grade) | % |
| Input Voltage Range | 7.0 V to 36 V | V |
| Supply Current | 1.4 mA (maximum) | mA |
| Load Driving Capability | 10 mA (maximum) | mA |
| Temperature Coefficient | 8.5 ppm/°C (A grade and non-graded), 25 ppm/°C (E and H grades) | ppm/°C |
| Noise (10Hz to 10kHz) | 15 μV p-p (typical) | μV p-p |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 8-lead SOIC |
Key Features
- High output accuracy: ±0.3% maximum for A and E grades, ±0.5% for H grade, and ±1% for C grade.
- Adjustable output: ±3% minimum with an external trim potentiometer.
- Excellent temperature stability: 8.5 ppm/°C maximum for A grade and non-graded, and 25 ppm/°C for E and H grades.
- Low noise: 15 μV p-p typical.
- High supply voltage range: up to 36 V maximum.
- High load-driving capability: 10 mA maximum.
- Temperature output function: The TEMP terminal can be used for temperature sensing and approximation with an external buffer and resistor network.
Applications
- Precision data systems.
- High resolution converters.
- Industrial process control systems.
- Precision instruments.
- Military and aerospace applications.
Q & A
- What is the output voltage of the REF02CSZ?
The output voltage of the REF02CSZ is 5.0 V. - What is the input voltage range for the REF02CSZ?
The input voltage range for the REF02CSZ is from 7.0 V to 36 V. - What is the maximum supply current of the REF02CSZ?
The maximum supply current of the REF02CSZ is 1.4 mA. - What is the load-driving capability of the REF02CSZ?
The load-driving capability of the REF02CSZ is up to 10 mA. - How stable is the output voltage of the REF02CSZ over temperature changes?
The output voltage of the REF02CSZ has a temperature coefficient of 8.5 ppm/°C for A grade and non-graded, and 25 ppm/°C for E and H grades. - Can the REF02CSZ be used for temperature sensing?
Yes, the TEMP terminal of the REF02CSZ can be used for temperature sensing and approximation with an external buffer and resistor network. - What are the typical noise levels of the REF02CSZ?
The typical noise level of the REF02CSZ is 15 μV p-p. - What is the operating temperature range of the REF02CSZ?
The operating temperature range of the REF02CSZ is from -40°C to +85°C. - In what package types is the REF02CSZ available?
The REF02CSZ is available in an 8-lead SOIC package. - Are there any newer alternatives to the REF02CSZ?
Yes, newer designs should consider using the ADR01/ADR02/ADR03/ADR06 series, which offer higher accuracy and temperature stability over a wider operating temperature range while maintaining full pin-for-pin compatibility with the REF01/REF02/REF03 series.
