SPX2431M-L

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The SPX2431M-L is a high-precision, low-noise, low-dropout voltage reference designed for precision measurement, temperature/pressure compensation and other applications that require a precise reference voltage. It offers low offset voltage, low drift and good line regulation. The device can achieve high accuracy with a wide temperature range, making it an ideal choice for the most demanding precision applications.

The SPX2431M-L belongs to the PMIC (Power Management IC) family, specifically to the Voltage Reference subgroup. Voltage references provide an output voltage that is stable over a wide input voltage and temperature range. They are used in many applications including power supplies, analog/digital circuitry, motor control and instrumentation.

The SPX2431M-L voltage reference utilizes an internal bandgap reference and a temperature/voltage feedback loop to maintain a precise output voltage. The reference voltage is regulated by the feedback loop, which detects the difference between the output voltage and the internal reference, and adjusts the output to match the reference. The reference voltage is further stabilized by a two-transistor circuit with temperature compensation, which reduces the effect of temperature variations on the output voltage.

The main features of the SPX2431M-L include low noise, low offset voltage, low drift and good line regulation. It has an operating temperature range from -40°C to +85°C, and provides a precise output voltage of 2.048V with a temperature coefficient of 0.5ppm/°K and a load regulation of ±3ppm/mA.

The SPX2431M-L voltage reference is ideal for precision applications, such as precision measurement, temperature/pressure compensation, and motor control systems, where high accuracy and stability are required. It can also be used in power supplies, analog/digital circuitry and instrumentation and can provide reliable operation over a wide temperature range.

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