LM4040C50IDCKR

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The LM4040C50IDCKR is an advanced Voltage Reference with an extremely low temperature coefficient. This small package package containing a Bandgap reference and associated circuitry, provides an economical way to achieve excellent precision and accuracy with an operating current demand of only 3.0µA maximum. This high precision Voltage Reference offers a temperature range of -20°C to +105°C, and is well suited for use in a variety of applications, from the most demanding regulation tasks to more basic applications suitable for basic testing and measurements.

The LM4040C50IDCKR is a micropower Voltage Reference capable of producing a well regulated output precision voltage up to a 50V. This Voltage Reference utilizes a proprietary high precision stability technique, providing a temperaturecoefficient of max 0.0025%/°C and a low drift of 0.075mV/min at 25°C. It can be used in a wide range of applications, including regulated power supplies, data acquisition systems, and temperature-compensated millivolt measurements. This Voltage Reference also offers wide operating current range of 3.0µA to 50.0µA.

The LM4040C50IDCKR Voltage Reference is available in two versions, DC and AC, providing convenience when designing circuits for different standards. The DC version provides a low reference voltage of up to 50V, while the AC version provides higher accuracy and tighter tolerance in even moist environments. The DC version is especially useful for larger scales, such as DMMs, where a more precise voltage is required.

The working principle of the LM4040C50IDCKR is based on Bandgap technology. This is a widely used process for low temperature coefficient, high accuracy Voltage References, which provides advantages such as excellent precision over temperature, wide operating ranges and low voltage incomparison to discreet circuits of similar accuracy and stability. Bandgap technology works by heating a diode with an electrolyte constructed of a layer of electrolyte material and an open circuit resistance, while the voltage of the electrolyte is kept constant. The Bandgap reference then sets a reference voltage in the circuit based on the thermodynamic properties of the material. This reference voltage is then used as a reference for other components in the circuit, such as microcontrollers or diodes.

The LM4040C50IDCKR is an ideal choice for applications requiring ultra-precise voltage reference that can stand up to extreme temperatures and harsh environments. This Voltage Reference is an economical solution for use in a variety of specialized circuits, and can be used in conjunction with power supplies, data acquisition systems, and temperature-compensated millivolt measurements. This small, low power Voltage Reference is ideal for a number of applications, offering high precision and low temperature-coefficient accuracy.

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