LM4040EIZ-2.0/NOPB

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The LM4040EIZ-2.0/NOPB is a family of fixed output voltage reference. It falls within the voltage references (VREF) category of Power Management ICs (PMICs). These ICs are designed to work with a broad range of applications, from providing a stable voltage source in a variety of circuits, to providing precision references for DACs (Digital-To-Analog Converters) and A/D converters (Analog-To-Digital Converters).The LM4040EIZ-2.0/NOPB provides a highly accurate, temperature compensated voltage reference for various devices and circuits. It is a precision source of electrical energy, providing a highly stable reference voltage over temperature and supply voltage variations. Its temperature coefficient of 0.2 ppm/°C, allows for virtually no voltage drift.To achieve such precision over the full range of its operation, the LM4040EIZ-2.0/NOPB utilizes a number of proprietary internal circuits that enable its accuracy over temperature, supply voltage, and load.The device\'s design contains an integrator, follower, and nominal 2.000V reference output, making it extremely effective for a variety of applications. It can be used to set threshold voltages, level shifts, and/or as an adjustable reference precision zoning. The main applications of the device include remotely powered systems, DACs (Digital-to-Analog Converters), A/D converters (Analog-to-Digital), high end microcontrolled devices, audio systems, low voltage power supplies, and other portable devices.The core of the LM4040EIZ-2.0/NOPB is an integrator circuit that features a 0.2-microAmp current source connected to the central node from ground. This current source maintains the reference node at a nominal 2V reference voltage. The output of the IC is then buffered with a n-channel FET follower. This provides the current capability for heavy loads.Furthermore, the LM4040EIZ-2.0/NOPB contains two comparators, which monitor the reference voltage and activate protection circuits when overvoltage or undervoltage conditions are detected. This ensures the reference is kept at its nominal 2V, helping to prevent damage due to incorrect voltages.In addition, the LM4040EIZ-2.0/NOPB has current limiting and short-circuit protection. These help prevent over-current conditions and ensure the device\'s maximum current rating is not exceeded, avoiding damage to the IC.Moreover, the LM4040EIZ-2.0/NOPB package design enables a low thermal resistance for applications where space is limited and thermal management is required. The device is available in the SOT-23 package, which not only provides a small foot-print, but reduces noise and EMI issues, as well as improving power dissipation and thermal budget performance.Overall, the LM4040EIZ-2.0/NOPB is an ideal device for many precision voltage reference applications and is suitable for a wide range of designs. It features a highly reliable output voltage with fast and precise measurements, overload protection, temperature compensation, and current limiting so as to maximize accuracy and reliability.

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