LM4040D25IDCKT

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The LM4040D25IDCKT is a voltage reference device in the PMIC - Voltage Reference family of products. It is a micropower, high-accuracy device that has been designed to provide a stable, shunt-mode voltage reference over a wide range of voltages. This voltage reference has been designed to be a very versatile device, offering both high accuracy and low power consumption.

The LM4040D25IDCKT operates over a wide range of voltages, ranging from 0.2V to 22V. It provides precision voltage references with an accuracy of ±0.2% for dual output and ±4mV for single-output versions. It also offers a wide temperature range, from -40°C to +85°C, which makes it suitable for a wide range of applications and environments.

The LM4040D25IDCKT offers a few key features that make it useful in many applications. It has an extremely low power consumption, as low as 4.5μA, which is ideal for applications where battery life and power efficiency are critical. It also offers a fast response time with a latency of 0.218μs, which is important for high-speed applications. Additionally, the device is offered in compact packages and can be used with either surface-mount or through-hole PCBs.

In terms of its application field, the LM4040D25IDCKT is highly versatile, as it can be used in a wide range of applications. It can be used in battery-operated electronics, such as cell phones, to ensure a consistent voltage to components. It can also be used in digital measuring instruments and portable testing equipment to prevent errors caused by power supply fluctuations. Additionally, it can be used in automotive applications, as it has good temperature stability and a wide range of operable temperatures.

The LM4040D25IDCKT functions by exploiting the basic principle of a shunt regulator. Shunt regulators use a current-limiting element, typically a transistor or JFET, with the output voltage being set by a voltage divider. A voltage reference device such as the LM4040D25IDCKT steps in here, providing a stable and precise reference voltage to the shunt regulator that is independent of temperature and load variations. This ensures that the voltage output from the reference is precisely accurate, allowing for tighter accuracy across a wide range of conditions.

In conclusion, the LM4040D25IDCKT is an excellent voltage reference device in the PMIC - Voltage Reference family. Its features, such as its low power consumption, fast response time, high accuracy and wide temperature range, make it highly versatile, suitable for a wide range of applications. Additionally, its use of a shunt regulator means that it can provide a stable and precise voltage reference which is independent of temperature and load variations.

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