MAX6145ESA+

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The MAX6145ESA+ is a high-precision, low-dropout (LDO) voltage reference that offers both high accuracy and low noise performance. It is a Voltage Reference product of Power Management, Interface and Control (PMIC) series and meets the tight accuracy and low noise requirements of digital circuits. It operates over a 1.2V to 6V input voltage range and delivers a precise and stable voltage reference of 2.048V. The MAX6145ESA+ offers an ultra-low dropout voltage of 50mV and 22µV RMS noise, which is important in audio and video applications. In addition, its low temperature coefficient (TC) of 4ppm/°C ensures a high stability and accuracy over a temperature range of -40°C to 125°C. The MAX6145ESA+ also features a programmable enable/disable pin, adjustable current limit and over-temperature shutdown for improved durability and efficiency. The working principle of the MAX6145ESA+ is simple. It combines the linear-efficient low-dropout regulator with a precision band-gap reference. The band-gap reference circuit is used to generate a stable voltage across its terminals. This voltage is then regulated by the regulator to provide a constant, clean and low-noise output voltage that is suitable for precision applications. In addition, the feedback and control functions of the MAX6145ESA+ ensure that the voltage reference is maintained accurately even under changing line, load and temperature conditions. The MAX6145ESA+ is used in a wide range of applications, including digital audio and video processors, digital-to-analog/analog-to-digital converters, industrial control systems, and many others. Its low noise and high accuracy make it suitable for precision measurement applications, while its low-dropout properties make it suitable for low-voltage applications. It also provides the highest level of system accuracy and stability for applications such as precision current sensing, high-resolution data conversion, and voltage-to-current converters. In conclusion, the MAX6145ESA+ is a PMIC - Voltage Reference product that combines linear-efficient low dropout regulator and precision band-gap reference circuit to provide a precise and stable voltage reference. It offers ultra-low dropout voltage and low temperature coefficient for improved accuracy and stability. It is widely used in audio, video and industrial control systems due to its low noise and high accuracy performance.

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