LM4040DYM3-2.5-TR Integrated Circuits (ICs)

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A voltage reference is a device that produces a perfect voltage (its reference voltage) independent of the circuit design or component values around it. Voltage references are available in many shapes and sizes, but one of the most popular is the LM4040DYM3-2.5-TR, a voltage reference device developed by Texas Instruments. This article will discuss the application field and working principle of the LM4040DYM3-2.5-TR in detail.

The LM4040DYM3-2.5-TR is designed as an accurate two-terminal voltage reference with a guaranteed accuracy of ±2 mV over the entire temperature range of -55°C to 150°C. This makes it suitable for a wide range of applications, from precision low-voltage circuitry to battery-powered portable devices. It can be used as a precision reference for linear or switching regulator output adjustments, system fault detection, voltage monitoring, and sensor signal conditioning.

The LM4040DYM3-2.5-TR consists of a temperature-compensated band-gap reference, temperature-compensated current source output buffer, and internal EMI protection circuit. Its output voltage is specified at 2.500 V and its output current capability is 5 mA. This results in a very low output impedance of 500 ohms, enabling it to provide an extremely stable output voltage. The device is also designed with an EMI filter that helps reduce any interference from nearby electronic equipment.

The LM4040DYM3-2.5-TR operates in a two-terminal configuration and requires a supply voltage of 3V to 24V depending on the output current. The device is designed to be low noise and low drift, making it ideal for precision circuit applications. Furthermore, the temperature coefficient of the voltage reference is a low 0.6 ppm/°C, giving it excellent long-term accuracy.

The LM4040DYM3-2.5-TR is an ideal choice for voltage reference applications because of its high accuracy, low noise, low drift and wide temperature range. Its output is typically stable to within 2 mV over the entire temperature range, and its high accuracy makes it suitable for many applications. It is easy to use and provides a reliable and accurate voltage reference for a wide range of applications.

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