Texas Instruments

LM4120IM5X-2.5

LM4120IM5X-2.5 Description

The LM4120IM5X-2.5 is a high-precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 2.5V with a tight tolerance of ±0.5%. This device is ideal for applications requiring accurate and stable voltage references. The LM4120IM5X-2.5 features a low supply current of 275µA, making it suitable for low-power applications. It operates over a wide input voltage range of 2V to 12V, ensuring compatibility with various power supply configurations. The device is housed in a compact SOT23-5 package, which is suitable for surface mount applications and provides a small footprint for space-constrained designs.

LM4120IM5X-2.5 Features

• Fixed Output Voltage: The LM4120IM5X-2.5 provides a stable 2.5V output, making it ideal for applications that require a precise reference voltage.
• High Precision: With a tolerance of ±0.5%, this voltage reference ensures high accuracy, which is crucial for applications such as analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
• Low Supply Current: The device consumes only 275µA of supply current, making it suitable for battery-powered and low-power applications.
• Wide Input Voltage Range: The LM4120IM5X-2.5 operates over a wide input voltage range of 2V to 12V, providing flexibility in power supply design.
• Low Temperature Coefficient: The device has a low temperature coefficient of 50ppm/°C, ensuring stable performance across a wide temperature range.
• Series Reference Type: The LM4120IM5X-2.5 is a series reference type, which simplifies the design process and ensures a stable output voltage.
• Obsolete but Reliable: Although the product status is marked as obsolete, the LM4120IM5X-2.5 remains a reliable choice for existing designs and applications where it is already in use.

LM4120IM5X-2.5 Applications

The LM4120IM5X-2.5 is well-suited for a variety of applications that demand high-precision voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The high precision and stability of the LM4120IM5X-2.5 make it an ideal reference voltage source for ADCs, ensuring accurate digital conversions.
• Digital-to-Analog Converters (DACs): The device provides a stable reference voltage, which is critical for the accurate operation of DACs.
• Power Management Systems: The low supply current and wide input voltage range make the LM4120IM5X-2.5 suitable for power management systems, where efficiency and flexibility are essential.
• Instrumentation: The compact SOT23-5 package and high precision make the LM4120IM5X-2.5 ideal for use in precision instruments and measurement devices.
• Battery-Powered Devices: The low power consumption of the LM4120IM5X-2.5 makes it suitable for battery-powered applications, where energy efficiency is a priority.

Conclusion of LM4120IM5X-2.5

The LM4120IM5X-2.5 is a high-precision voltage reference IC that offers a stable 2.5V output with a tight tolerance of ±0.5%. Its low supply current, wide input voltage range, and low temperature coefficient make it a versatile and reliable choice for a variety of applications. Although marked as obsolete, the LM4120IM5X-2.5 remains a suitable option for existing designs and applications where its unique features and performance benefits are required.