Texas Instruments

LM4120IM5-1.8

LM4120IM5-1.8 Description

The LM4120IM5-1.8 is a precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 1.8V with a tolerance of ±0.5%. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT23-5 package, it making suitable for compact and high-density PCB designs. The LM4120IM5-1.8 operates within an input voltage range of 2V to 12V and provides a stable output current of up to 5 mA. It features a low supply current of 275µA, ensuring minimal power consumption and high efficiency. The temperature coefficient of 50ppm/°C ensures stable performance across varying temperature conditions. Although the product is now obsolete, it remains a reliable choice for applications requiring a stable and precise voltage reference###.

LM4120IM5-1.8 Features

• Fixed Output Voltage: The LM4120IM5-1.8 provides a fixed output voltage of 1.8V, ensuring consistent performance in applications requiring a stable reference voltage.
• High Precision: With a tolerance of ±0.5%, the LM4120IM5-1.8 offers high precision, making it suitable for applications where accuracy is critical.
• Low Supply Current: The device operates with a low supply current of 275µA, which is ideal for low-power applications and battery-operated devices.
• Wide Input Voltage Range: The LM4120IM5-1.8 can operate within an input voltage range of 2V to 12V, providing flexibility in power supply requirements.
• Low Temperature Coefficient: The temperature coefficient of 50ppm/°C ensures minimal drift in output voltage over a wide temperature range, enhancing reliability and stability.
• Surface Mount Package: The SOT23-5 package allows for surface mount technology, enabling compact and efficient PCB designs.
• Series Reference Type: The series reference type ensures a stable output voltage by regulating the input voltage to maintain a precise output level.

LM4120IM5-1.8 Applications

The LM4120IM5-1.8 is ideal for a variety of applications that require a stable and precise voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): The high precision and stability of the LM4120IM5-1.8 make it an excellent reference voltage source for ADCs, ensuring accurate conversions.
• Digital-to-Analog Converters (DACs): The device provides a stable reference voltage for DACs, enhancing the accuracy of analog output signals.
• Power Management Circuits: The low supply current and wide input voltage range make the LM4120IM5-1.8 suitable for power management applications, including voltage regulation and monitoring.
• Battery-Powered Devices: The low power consumption and compact package size make the LM4120IM5-1.8 ideal for battery-powered devices where energy efficiency and space are critical.
• Precision Measurement Equipment: The high precision and stability of the LM4120IM5-1.8 ensure accurate measurements in precision equipment, such as laboratory instruments and medical devices.

Conclusion of LM4120IM5-1.8

The LM4120IM5-1.8 from Texas Instruments is a high-performance voltage reference IC that offers a fixed output voltage of 1.8V with a tolerance of ±0.5%. Its low supply current, wide input voltage range, and low temperature coefficient make it a reliable choice for applications requiring a stable and precise voltage reference. Although the product is now obsolete, its unique features and advantages over similar models continue to make it a valuable component in various electronic designs. The LM4120IM5-1.8 is particularly well-suited for applications such as ADCs, DACs, power management circuits, battery-powered devices, and precision measurement equipment.