Texas Instruments

LM185BYH-2.5

LM185BYH-2.5 Description

The LM185BYH-2.5 is a fixed-output shunt voltage reference IC designed by Texas Instruments. This device is part of the Power Management (PMIC) category and is housed in a through-hole package, specifically the TO-2 package. It provides a stable 2.5V output voltage with a tolerance of ±1.5%, ensuring precise voltage regulation in various electronic applications. The LM185BYH-2.5 is capable of delivering up to 20 mA of output current, making it suitable for applications requiring moderate power delivery. The device features a low temperature coefficient of 50ppm/°C, which minimizes voltage drift over temperature variations, ensuring consistent performance across a wide operating range. Additionally, the LM185BYH-2.5 has a low noise level of 120µVrms over the 10Hz to 10kHz frequency range, contributing to its high precision and reliability. Despite being marked as obsolete, the LM185BYH-2.5 remains a viable option for legacy systems and applications where its specific attributes are required. The device is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with relevant regulations.

LM185BYH-2.5 Features

• Fixed Output Voltage: The LM185BYH-2.5 provides a stable 2.5V output voltage, ideal for applications requiring a precise reference voltage.
• High Precision: With a tolerance of ±1.5%, the device ensures accurate voltage regulation, making it suitable for applications demanding high precision.
• Low Temperature Coefficient: The 50ppm/°C temperature coefficient minimizes voltage drift over temperature variations, ensuring consistent performance across a wide operating range.
• Low Noise: The device exhibits low noise levels of 120µVrms over the 10Hz to 10kHz frequency range, contributing to its high precision and reliability.
• Moderate Output Current: The LM185BYH-2.5 can deliver up to 20 mA of output current, making it suitable for applications requiring moderate power delivery.
• Through-Hole Mounting: The through-hole package ensures robust mechanical stability and ease of integration into various electronic systems.
• Compliance: The device is REACH unaffected and classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with relevant regulations.

LM185BYH-2.5 Applications

The LM185BYH-2.5 is ideal for a variety of applications where precise voltage regulation and stability are critical. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The low noise and high precision of the LM185BYH-2.5 make it an excellent reference voltage source for ADCs, ensuring accurate conversion and minimal error.
• Digital-to-Analog Converters (DACs): The stable output voltage and low temperature coefficient ensure consistent performance in DAC applications, providing reliable analog output signals.
• Power Supply Reference: The device can serve as a reference voltage in power supply circuits, ensuring stable and precise voltage regulation for downstream components.
• Precision Measurement Equipment: The LM185BYH-2.5's high precision and low noise make it suitable for precision measurement equipment, where accuracy and reliability are paramount.
• Legacy Systems: Despite being marked as obsolete, the LM185BYH-2.5 remains a viable option for maintaining and upgrading legacy systems that rely on its specific attributes.

Conclusion of LM185BYH-2.5

The LM185BYH-2.5 is a robust and precise shunt voltage reference IC designed for applications requiring high accuracy and stability. Its fixed 2.5V output voltage, low temperature coefficient, and low noise levels make it an ideal choice for a variety of electronic systems, particularly those involving analog-to-digital and digital-to-analog conversion. The through-hole package ensures mechanical stability and ease of integration, while compliance with relevant regulations ensures its suitability for global markets. Although marked as obsolete, the LM185BYH-2.5 remains a valuable component for legacy systems and applications where its specific attributes are essential.