Texas Instruments

LT1009CLPE3  

Voltage References

LT1009CLPE3 Description

The LT1009CLPE3 is a precision shunt voltage reference designed by Texas Instruments, offering a fixed output voltage of 2.5V with a tolerance of ±0.2%. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a Through Hole package, specifically in a TO-92-3 configuration. The LT1009CLPE3 provides a stable reference voltage with a temperature coefficient of 25ppm/°C, ensuring minimal drift over the operating temperature range of 0°C to 70°C. The device is capable of sourcing up to 10 mA of output current and has a cathode current of 400 µA. Despite being marked as obsolete, the LT1009CLPE3 remains a reliable choice for applications requiring a precise voltage reference.

LT1009CLPE3 Features

• Fixed Output Voltage: The LT1009CLPE3 provides a stable 2.5V output voltage, making it suitable for applications requiring a precise reference voltage.
• Low Temperature Coefficient: With a temperature coefficient of 25ppm/°C, the LT1009CLPE3 ensures minimal voltage drift over the operating temperature range, enhancing the accuracy and reliability of the reference voltage.
• High Output Current Capability: The device can source up to 10 mA of output current, making it suitable for applications requiring higher current loads.
• Low Cathode Current: The LT1009CLPE3 has a low cathode current of 400 µA, which helps in minimizing power consumption and improving efficiency.
• Wide Operating Temperature Range: The operating temperature range of 0°C to 70°C (TA) makes the LT1009CLPE3 suitable for a variety of industrial and consumer applications.
• Compliance and Packaging: The LT1009CLPE3 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. It is available in bulk packaging, making it convenient for large-scale production.

LT1009CLPE3 Applications

The LT1009CLPE3 is ideal for applications requiring a precise and stable voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The stable reference voltage ensures accurate conversion from analog to digital signals.
• Digital-to-Analog Converters (DACs): Provides a precise reference for accurate digital-to-analog conversion.
• Power Supply Circuits: Used as a reference voltage for voltage regulators and power supply circuits to ensure stable output.
• Instrumentation and Measurement Devices: Ensures accurate measurements by providing a stable reference voltage.
• Consumer Electronics: Suitable for applications in consumer electronics where precision and stability are critical.

Conclusion of LT1009CLPE3

The LT1009CLPE3, despite being marked as obsolete, remains a reliable and precise shunt voltage reference suitable for a variety of applications. Its low temperature coefficient, high output current capability, and low cathode current make it an excellent choice for applications requiring a stable and accurate reference voltage. The device's compliance with environmental and regulatory standards ensures it meets the requirements of modern electronics manufacturing. While newer models may offer additional features, the LT1009CLPE3 continues to provide a proven and cost-effective solution for precision voltage reference needs.

LT1009CLPE3 Documents

Download datasheets and manufacturer documentation for LT1009CLPE3