LM4040EIM7X-2.5/NOPB

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Voltage references are electronic components that provide a fixed reference voltage independent of input voltage and load current, and are classified as power management integrated circuits (PMIC). A typical voltage reference device is the LM4040EIM7X-2.5/NOPB, which can be used in a wide range of applications.

This voltage reference device is a precision, low power Shunt Voltage Reference, offering excellent long term stability. It has an 2.5V output voltage and operates from an input voltage range of 3V to 36V. The device is housed in an 8-pin MSOP package, making it compatible with board space constraints. In addition, its device has an excellent line regulation of 8ppm/V and output noise of 120 µVrms.

The working principle of the LM4040 voltage reference is based on a Zener diode effect. It has an internal Zener diode with a breakdown voltage of 2.5V, connected to the source and sink connected to a resistor. When the input voltage is applied, a constant current flows through the Zener diode, which results in a steady output voltage of 2.5V. The resistor connected at the drain is used to reduce the output current stability and to ensure a constant voltage output.

Given its low power consumption, precision and size, the LM4040EIM7X-2.5/NOPB can be used in many different applications including analog to digital (A/D) converters, portable data acquisition systems, monitors, printers, and medical instrumentation. In addition, due to its excellent line regulation of 8ppm/V, it can be used in systems where the input voltage may vary significantly.

Overall, the LM4040EIM7X-2.5/NOPB is a reliable voltage reference with excellent long term stability and wide input voltage range. It is suitable for many different applications and is available in an 8-pin MSOP package. Its low power consumption and precision make it an ideal choice for analog to digital converters and other portable electronic devices.

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