MAX6143AASA41+T

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PMIC - Voltage Reference

A voltage reference is an electronic device designed to maintain a constant voltage level that does not vary according to the current load or temperature. Voltage references are used to provide a stable reference voltage for analog, digital and audio circuitry and systems. One of the most common type of voltage references is the MAX6143AASA41+T (MAX6143), which is a precision CMOS, silicon micropower voltage reference.

Application Field of MAX6143

MAX6143 is ideal for providing a stable reference voltage in various control and sensing circuitry. MAX6143 are the perfect choice for battery-operated applications due to their low supply current and wide operating temperature range. It has a wide range of applications in audio, wireless, and medical systems; where precision and low power are paramount. It is also particularly suitable for industrial, automotive, and communication systems. MAX6143 can also be used as a precision voltage reference in digital-to-analog converters (DACs).

Working Principle of MAX6143

The MAX6143 provides a highly accurate low cost precision voltage reference. The MAX6143 is a true CMOS Voltage Reference, and hence it does not rely on an external feedback voltage divider and hence no additional external trim components are required. This allows the MAX6143 to have a very small size and a low manufacturing cost.

The heart of the MAX6143 voltage reference is the FETS. The FETSs vary according to the temperature and the current flowing through them. The output voltage of the MAX6143 is programmed using the external amplifier and the compensation capacitor. The output voltage is precise and highly stable, and it does not vary as the temperature and the current flowing through the device changes.

The MAX6143 also has an internal bandgap Reference Voltage Source (RVS) which helps to adjust the bias current and the output voltage. The RVS is made up of two channels, one for the positive rail and the other for the negative rail. This ensures that the output voltage remains precise, even in the presence of current, temperature, and voltage fluctuations.

The MAX6143 also has an input voltage monitor which makes it easy to monitor the input voltage of the device. This feature increases the accuracy of the output voltage, and it lowers the risk of voltage drops in the system.

In addition, the MAX6143 is extremely user friendly as it comes in a simple 8 pin package which allows for simple installation. Also, its output voltage is internally programmed which means it does not require any additional circuitry for programming. This makes it perfect for low cost, high accuracy systems.

Conclusion

The MAX6143AASA41+T is a precision CMOS, silicon micropower Voltage Reference. It produces a precise output voltage which is unaffected by temperature and current fluctuations. The MAX6143 is ideal for low cost, high accuracy systems due to its low power consumption and user-friendly design. It has a wide range of applications in audio, wireless, and medical systems; where precision and low power are paramount.

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