LM4120IM5-4.1

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The LM4120IM5-4.1 is a type of voltage reference that belongs to the PMIC (Power Management Integrated Circuits) family. Voltage references allow a user to precisely control the voltage at which they are working, enabling better accuracy and thus, better results. This particular voltage reference has an accuracy of ±4.1mV, a temperature coefficient of 10uV/°C, and is rated from a 1.8V to 12V supply.

The LM4120IM5-4.1 voltage reference can be found in a variety of applications, ranging from power supplies to circuit protection. It is extremely versatile, allowing it to be used in both high and low voltage applications. Examples of its applications can be found in digital to analog converters, analog-to-digital converters, battery chargers and more.

The LM4120IM5-4.1 voltage reference functions by using a precision voltage reference that provides an accurate reference voltage to each channel. This is done by combining a bandgap reference circuit with a error amplifier, a divider, and a trim resistors to provide an accurate output voltage. It also utilizes a precision Current Mode Control (CMC) circuit to ensure an accurate output voltage as well as a precision temperature controller. The temperature controller compensates for temperature-related errors, resulting in a highly accurate and stable output voltage.

In addition to providing a stable reference voltage, the LM4120IM5-4.1 also provides additional features such as low output impedance, low quiescent current, and a low EMI (electromagnetic interference) rating. These features make it ideal for applications that require high precision, but must also meet certain noise requirements.

The LM4120IM5-4.1 voltage reference is a great solution for a variety of electronic systems, especially when precision and low noise are a requirement. It offers high accuracy, low temperature drift, low impedance, and a low EMI rating, making it ideal for applications such as power supplies, ADC/DAC converters, battery chargers, and circuit protection.

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