AD586KRZ-REEL7 Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) play a huge role in many applications, including those related to voltage reference. For example, the AD586KRZ-REEL7 is a precision voltage reference in the Micro-X family of voltage references. It utilizes a low-noise, resistive-divider voltage reference topology to deliver repeatable, stable and low-noise references in a compact 16-lead SOIC package.

The AD586KRZ-REEL7 is a versatile voltage reference IC that can provide voltage references from 4.096 V to 5.05 V in application fields such as industrial, automotive, medical and consumer electronics. It has an output voltage accuracy of 0.05% and a temperature coefficient of about 0.4 ppm/°C. It offers an extremely low noise performance, with a typical noise of only 0.1µV RMS from 10 Hz to 30 kHz. In addition, it features very fast startup time and also provides wideband and low-frequency noise filtering. Moreover, the device operates over a wide temperature range of -40°C to 125°C, making the AD586KRZ-REEL7 ideal for systems that require extended temperature range operation.

The AD586KRZ-REEL7 uses a bandgap reference design to provide a stable, low-noise voltage reference. A bandgap reference is basically a circuit that has two diodes, one forward-biased and one reverse-biased, connected in series in a negative feedback loop. The forward-biased diode provides voltage reference current, while the reverse-biased diode produces a negative feedback that keeps the voltage constant. The output voltage produced by the device is the voltage across the reverse-biased diode. This voltage is regulated since the diode current is substantially independent of temperature and process variations, thereby providing a stable reference voltage.

The internal circuitry of the AD586KRZ-REEL7 uses bipolar transistors and precision resistors to create a resistive voltage divider. This reduces the output voltage to 0.1V by regulation. The voltage reference line is then buffered for improved noise performance and stability. A wide range of features including high accuracy, low noise, and improved temperature performance provides a very versatile voltage reference.

The AD586KRZ-REEL7 is protected with a pulse current limit and integrated short circuit protection (SCP). Pulse current limiting reduces transmission line and component stress and helps to avoid component failures due to instantaneous current demands. SCP reduces power consumption and increases safety in case of a short circuit fault. In addition, the device is RoHS compliant and offers lead-free soldering capabilities.

Overall, the AD586KRZ-REEL7 is a very versatile and accurate voltage reference for industrial, automotive, medical and consumer electronics applications. It features a wide temperature range, a low noise, high accuracy and a fast startup time. It can provide a stable and reliable voltage reference for a wide range of applications.

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