REF191ES-REEL

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PMIC - Voltage References provide a reliable and accurate reference voltage with low temperature drift and low noise compared to other reference circuits. The REF191ES-REEL is a low-noise, low-temperature-drift voltage reference chip used in electronics and communication applications. This device is designed to provide tightly regulated output voltage with low noise and fast response time. It is made with precision CMOS processing technology for reliable operation across temperature and process variations.

The REF191ES-REEL is available in both a standard and low temperature version. The standard version can provide from 4V to 12V regulated output voltage with the capability to adjust between 0.1V to 2V. The low temperature version provides a range of 4V to 24V to meet the low temperature requirements. The device provides high temperature stability with temperature drift of ±10ppm/°C and temperature coefficient of ±0.06%. It has a low current consumption of 6µA.

The REF191ES-REEL employs a voltage regulator feedback loop for output voltage regulation. Its input voltage is supplied by a DC power supply, and the output voltage is regulated by a feedback circuit. A reference resistor is connected between the reference voltage input and the feedback circuit, which is controlled by the variable resistor adjustment pin. The variable resistor adjustment allows the user to adjust the output voltage from 0.1V to 2V depending on the required voltage.

The REF191ES-REEL can be used in various applications such as telecommunications, digital signal processing (DSP), power management and audio/video applications. It is suitable for applications requiring accurate output voltage, low noise and low temperature drift. The device is also suitable for applications requiring high frequency stability, such as low-power switching power supplies, digital power supplies and high frequency amplifiers.

The REF191ES-REEL application field and working principle is based on a voltage regulator feedback loop, with an adjustable setting pin to allow the user to set the output voltage. It is designed with precision CMOS processing technology for reliable operation, low noise and low temperature drift. This device provides a flexible and reliable solution for high frequency stability, low-power switching power supplies, digital power supplies and high-frequency amplifiers.

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