CM431290 Product Overview
Product Category: Integrated Circuit
Use: The CM431290 is a voltage reference integrated circuit commonly used in electronic devices to provide a stable reference voltage for various applications.
Characteristics: This IC is known for its high precision and low temperature coefficient, making it suitable for use in precision analog circuits. It is available in a small package, making it ideal for space-constrained designs.
Package: The CM431290 is typically available in a small outline transistor (SOT) package, which allows for easy integration into circuit boards.
Essence: The essence of the CM431290 lies in its ability to provide a stable and accurate reference voltage, ensuring the proper functioning of the associated electronic circuits.
Packaging/Quantity: The CM431290 is usually supplied in tape and reel packaging, with quantities varying based on manufacturer specifications.
Specifications
The CM431290 operates within a voltage range of 2.5V to 36V and has a temperature coefficient of 50ppm/°C. It can deliver an output current of up to 10mA and features a low dynamic impedance.
Detailed Pin Configuration
The CM431290 typically consists of three pins: the input pin (IN), the output pin (OUT), and the ground pin (GND). The IN pin is connected to the input voltage, the OUT pin provides the stable reference voltage, and the GND pin is connected to the ground.
Functional Features
The CM431290 offers a precise and stable reference voltage, making it suitable for use in applications requiring high accuracy. It also exhibits low power consumption and good line regulation, ensuring consistent performance across varying input voltages.
Advantages and Disadvantages
Advantages: - High precision - Low temperature coefficient - Small form factor - Low power consumption
Disadvantages: - Limited output current - Sensitivity to external noise
Working Principles
The CM431290 operates based on the principles of bandgap voltage reference, utilizing internal circuitry to generate a stable reference voltage regardless of variations in input voltage or temperature.
Detailed Application Field Plans
The CM431290 finds extensive use in precision measurement equipment, data acquisition systems, voltage regulators, and other applications requiring a stable reference voltage. Its high precision and low temperature coefficient make it particularly well-suited for use in instrumentation and sensor interfaces.
Detailed and Complete Alternative Models
Alternative models to the CM431290 include the LM4040, LTZ1000, and ADR431. These alternatives offer similar voltage reference capabilities and are widely used in various electronic applications.
In conclusion, the CM431290 is a versatile and reliable voltage reference integrated circuit that caters to the needs of precision electronic designs. Its high precision, low temperature coefficient, and compact form factor make it a popular choice for engineers working on applications demanding stable reference voltages.
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