LM4041AICT-1.2

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The LM4041AICT-1.2 is a precision voltage reference from Texas Instruments, part of its extensive range of power management integrated circuits (PMICs). It is designed specifically for use in automotive applications, and offers improved temperature stability and accuracy, as well as a wide power and voltage range. This makes it a great choice for applications where accuracy and temperature stability are critical.

The LM4041AICT-1.2 falls into the family of Voltage References, a sub-category of PMICs that provide precision and controlled output voltages. Voltage references produce output voltages with very low noise, temperature drift, and voltage offset over temperature. They are used in applications that require a guaranteed, highly precise and stable voltage, such as DACs, power supplies, and analog-to-digital converters. The LM4041AICT-1.2 has a guaranteed voltage accuracy of ±0.4% over the entire automotive temperature range of -40°C to 85°C.

The LM4041AICT-1.2 is a two-terminal device, consisting of an input and an output terminal. It operates by comparing an external reference voltage applied to the input terminal to an internal bandgap voltage reference. The device then adjusts the output voltage according to the difference between the two, producing an output voltage that is precise to the internal reference voltage.

The LM4041AICT-1.2 has a wide input voltage range of 4V to 15V, with a maximum output voltage of 1.2V. It also has a wide operating temperature range of -40°C to 85°C. This makes it well suited for automotive applications, which require reliable sensing and control over a wide temperature range. In addition, the device has a low-dropout operation, meaning that it can operate in low-voltage environments, such as automotive systems. It also has low power consumption and excellent power-supply rejection ratio (PSRR), making it an ideal choice for battery-powered applications.

The LM4041AICT-1.2 also features an adjustable output voltage, allowing it to be tailored to applications that require a precise output voltage. This feature is enabled by the use of external resistors, which allows the output voltage to be adjusted to within ±2.2mV of the nominal rated voltage. In addition, the device is packaged in a space-saving SOT-23-5 package, making it suitable for applications with limited board area.

Overall, the LM4041AICT-1.2 is a great choice for automotive applications due to its wide power and voltage range, low power consumption, and excellent accuracy and temperature stability. It is also a versatile device, with adjustable output voltage and compatible package making it well suited to a range of applications. As such, it is an excellent member of the Voltage References family of PMICs.

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