LM4128CMFX-2.5/NOPB

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The LM4128CMFX-2.5/NOPB is a voltage reference device in the PMIC - Voltage Reference category. It is a low-noise, high-accuracy shunt voltage reference with high output accuracy and low temperature drift. With a low operating current, low noise, high accuracy, and low temperature-dependent errors, this reference makes it ideal for integration into high-accuracy, low-noise systems. The device operates on a single-ended power supply, has internal thermal protection, and features rail-to-rail output compliance.

LM4128CMFX-2.5/NOPB is designed to provide a accurately regulated voltage source. The device employs a bandgap reference circuit to maintain a reference voltage regardless of changes in temperature or varying input supplies. The output of the device is made available to the outside environment via a resistor, which sets the amount of current provided by the reference circuit. Typically, this reference voltage is compared to a voltage in the system to form a feedback loop, which ensures that the output of the system tracks the reference voltage.

This voltage reference device is often used in medical, automotive, and industrial equipment applications. It is ideal for applications requiring low-noise, high-accuracy, and low temperature-dependent reference voltages. These applications include analog-to-digital converters, isolated current sources, isolated voltage sources, and, most commonly, for powering analogue-to-digital converters. In addition, the LM4128CMFX-2.5/NOPB can be used in a wide range of other systems that rely on shunt reference voltages.

The LM4128CMFX-2.5/NOPB operates on a single-ended power supply, ranging between +1.8V and +5.5V. The device features a rail-to-rail output voltage compliance, making it ideal for multiple applications. The temperature drift rate of the device is low, typically ±0.015%/°C maximum. With a wide power supply range and internal temperature protection, it can be used in most applications where an accurate and reliable voltage reference is needed.

LM4128CMFX-2.5/NOPB is a low-noise and high-accuracy voltage reference. The device provides up to 25mA of output current and has a low current operation of only 110µA. With its low noise, high accuracy, and low temperature-dependent errors, this makes it ideal for use in high-accuracy, low-noise systems. The reference is available in an MSOP package and a space-saving Chip Scale Package (CSP).

Overall, the LM4128CMFX-2.5/NOPB is an ideal voltage reference device for applications in medical, automotive and industrial equipment. With its low operating current, low noise, and high accuracy, it is well suited for powering analogue-to-digital converters, isolated current sources, and isolated voltage sources. By combining the device with its compact size, power efficiency, and wide power supply range, it is an excellent choice for PMIC – Voltage Reference applications.

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