REF02CS-REEL7

Product Overview

Category: Integrated Circuit (IC)

Use: The REF02CS-REEL7 is a precision voltage reference IC commonly used in electronic circuits to provide a stable and accurate voltage reference. It is designed for applications that require precise voltage levels, such as analog-to-digital converters, digital-to-analog converters, and other precision measurement systems.

Characteristics: - High accuracy: The REF02CS-REEL7 offers exceptional voltage accuracy with low temperature coefficient, ensuring reliable and consistent performance. - Low noise: It provides a low output noise level, making it suitable for sensitive applications that require minimal interference. - Low power consumption: This IC operates at low power, making it energy-efficient and suitable for battery-powered devices. - Wide temperature range: It can operate within a wide temperature range, making it suitable for various environmental conditions. - Small package size: The REF02CS-REEL7 is available in a compact package, allowing for easy integration into circuit designs.

Package and Quantity: The REF02CS-REEL7 is typically available in a small surface-mount package, such as SOIC-8 or SOT-23. The exact package may vary depending on the manufacturer. It is usually supplied in reels or tubes containing multiple units.

Specifications

• Output Voltage Range: 2.5V
• Initial Accuracy: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Supply Voltage Range: 4.5V to 40V
• Operating Temperature Range: -40°C to +85°C
• Output Current: 10mA

Pin Configuration

The REF02CS-REEL7 IC has the following pin configuration:

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| | --| VOUT | --| GND | --| VIN | --| TRIM | |___________| ```

Functional Features

• Voltage stability: The REF02CS-REEL7 provides a stable output voltage, ensuring accurate and reliable performance in voltage reference applications.
• Low output impedance: It has a low output impedance, allowing it to drive loads with minimal voltage drop.
• Short-circuit protection: The IC is designed with built-in short-circuit protection, preventing damage in case of accidental short circuits.
• Thermal shutdown: It incorporates thermal shutdown circuitry to protect against excessive temperature, ensuring safe operation.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low noise output - Wide operating temperature range - Compact package size - Low power consumption

Disadvantages: - Limited output voltage range (2.5V) - Requires external trimming for precise voltage adjustment

Working Principles

The REF02CS-REEL7 utilizes a bandgap voltage reference circuit to generate a stable and accurate output voltage. It employs a combination of bipolar and CMOS technologies to achieve high precision and low temperature coefficient. The internal circuitry compensates for variations in temperature and supply voltage, ensuring consistent performance over a wide range of operating conditions.

Detailed Application Field Plans

The REF02CS-REEL7 finds applications in various fields that require precise voltage references. Some common application areas include:

1. Analog-to-Digital Converters (ADCs): The REF02CS-REEL7 can be used as a reference voltage source for ADCs, ensuring accurate conversion of analog signals into digital data.

2. Digital-to-Analog Converters (DACs): It can provide a stable reference voltage for DACs, enabling accurate generation of analog signals from digital inputs.

3. Precision Measurement Systems: The IC is suitable for precision measurement systems that require accurate voltage levels, such as laboratory equipment, data acquisition systems, and calibration instruments.

4. Sensor Interface Circuits: It can be used in sensor interface circuits to provide a stable reference voltage for accurate sensor measurements.

Detailed Alternative Models

1. REF02CP: This is a through-hole version of the REF02CS-REEL7, suitable for applications that require a different package type.
2. LT1021: A precision voltage reference IC with similar characteristics and performance as the REF02CS-REEL7, manufactured by Linear Technology.
3. MAX6126: Another precision voltage reference IC offering high accuracy and low noise, produced by Maxim Integrated.

These alternative models provide similar functionality and can be considered as substitutes based on specific application requirements.

In conclusion, the REF02CS-REEL7 is a precision voltage reference IC widely used in various electronic circuits that demand accurate and stable voltage references. Its high accuracy, low noise, and compact package make it suitable for a range of applications. However, its limited output voltage range and external trimming requirement should be taken into consideration.