LM4132CMFX-1.8

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The LM4132CMFX-1.8 is a monolithic integrated circuit from Texas Instruments that is a voltage reference specifically designed for use in voltage reference applications. This device is an adjustable current reference that operates over a wide range of frequencies, with an adjustable output voltage range of ±1.8V. The LM4132CMFX-1.8 is a fully integrated voltage reference with an input voltage range of 4.5V to 32V.

The LM4132CMFX-1.8 provides an adjustable output reference voltage of ±1.8V while consuming only 25mW of power. This makes it an efficient choice for voltage reference applications. It also has an internal current amplifier with a programmable current-gain setting. The current-gain can be adjusted from ground to high current gain. The LM4132CMFX-1.8\'s integrated voltage reference has high accuracy and low noise, making it suitable for precision applications.

The LM4132CMFX-1.8 is suitable for use in battery-powered electronic systems. It is also well suited for use in portable devices, allowing for low quiescent current consumption and low noise in a wide range of frequencies. Furthermore, the device features over-temperature protection, reverse-current protection, and short-circuit protection. This provides excellent protection against voltage surge and overcurrent damage.

The LM4132CMFX-1.8 can be used in a variety of applications, including: consumer electronics, automotive systems, medical systems, industrial control systems, and many more. In consumer electronics, the device can be used as a voltage reference to set the voltage output by a battery-powered device, such as a portable music player or a camcorder. In automotive systems, the LM4132CMFX-1.8 can be used as a voltage regulator to ensure the correct voltage is delivered to the fuel injectors, spark plug coils, and other components.

The LM4132CMFX-1.8 is a precision device, and its operation is dependent on the accuracy of the voltage reference circuit. It consists of two stages: the current amplifier and the voltage reference stage. The current amplifier consists of an operational amplifier, a top transistor, and two resistors that form a feedback loop. The operational amplifier senses the difference between the reference voltage and the input voltage, increasing or decreasing the output current until the two voltages are equal.

The voltage reference stage of the LM4132CMFX-1.8 consists of an integral diode and three resistors. This combination of components creates an adjustable voltage reference. By adjusting the resistance values of the resistors, an output voltage within the range of ±1.8V can be achieved.

In conclusion, the LM4132CMFX-1.8 is a monolithic integrated circuit designed for use in voltage reference applications. It provides an adjustable output voltage range of ±1.8V, with excellent accuracy and low noise. The integrated current amplifier has a programmable current-gain setting, allowing for precise control of the output voltage. The device is suitable for use in a variety of applications, including consumer electronics, automotive systems, medical systems, and industrial control systems.

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