Overview
The REF102CU, manufactured by Texas Instruments, is a precision voltage reference integrated circuit designed for applications requiring high accuracy and stability. This model is part of the REF102 series, known for its low temperature coefficient and excellent line and load regulation. The REF102CU is particularly suited for use in precision instruments, A/D and D/A converters, and other high-accuracy measurement systems. Its market positioning targets industries such as industrial automation, test and measurement, and consumer electronics, where reliable voltage references are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 10 | V | ±2.5mV tolerance |
| Temperature Coefficient | 2.5 | ppm/°C | Industrial temperature range |
| Input Voltage | 11.4 to 36 | V | Single supply operation |
| Quiescent Current | 1.4 | mA | Typical |
| Output Current | 10 | mA | Maximum |
| Operating Temperature | -25 to 85 | °C | Industrial range |
| Package | 8-SOIC | Surface mount |
Key Features
- High precision output voltage of 10V with ±2.5mV tolerance.
- Ultra-low temperature coefficient of 2.5ppm/°C ensures stability across temperature variations.
- Excellent line regulation of 1ppm/V and load regulation of 10ppm/mA.
- Low noise performance, typically 5μVpp from 0.1Hz to 10Hz.
- Wide supply voltage range from 11.4V to 36V, suitable for various applications.
- Low quiescent current of 1.4mA enhances power efficiency.
Applications
The REF102CU is widely used in precision-calibrated voltage standards, A/D and D/A converters, and accurate comparator threshold references. Its high stability and low noise make it ideal for digital voltmeters, test equipment, and PC-based instrumentation. Additionally, it is employed in industrial automation systems and consumer electronics where precise voltage references are essential for reliable operation.
Q & A
What is the output voltage of the REF102CU?
The REF102CU provides a precise output voltage of 10V with a tolerance of ±2.5mV.
What is the temperature coefficient of the REF102CU?
The temperature coefficient is 2.5ppm/°C, ensuring stability across a wide temperature range.
What is the input voltage range for the REF102CU?
The input voltage range is from 11.4V to 36V, allowing for single supply operation.
What is the maximum output current of the REF102CU?
The maximum output current is 10mA.
What is the operating temperature range of the REF102CU?
The operating temperature range is from -25°C to 85°C, suitable for industrial applications.
What package does the REF102CU come in?
The REF102CU is available in an 8-SOIC surface mount package.
What is the quiescent current of the REF102CU?
The quiescent current is typically 1.4mA.
What are the key features of the REF102CU?
Key features include high precision output, low temperature coefficient, excellent line and load regulation, and low noise performance.
What are the typical applications of the REF102CU?
Typical applications include precision voltage standards, A/D and D/A converters, and digital voltmeters.
Why is the REF102CU suitable for industrial automation?
Its high stability, low noise, and wide temperature range make it ideal for industrial automation systems requiring precise voltage references.
