REF191ES

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PMIC (Power Management ICs) are integrated circuits designed to manage power in anyelectronic system. They make it easier to manage the variations in power supply, and to tailor the power output from a power source to satisfy the needs of the system being powered. One type of power management integrated circuit is the Voltage Reference IC, which provides very precise references to stabilized voltages. The REF191 series of programmable voltage reference ICs is one such component that falls into this category, and it delivers exceptional accuracy and low temperature drift.

REF191 ES Application Field

The REF191ES Voltage Reference ICs are specifically designed for industrial applications, such as low-power systems, touch and environmental sensing, data acquisition and medical instrumentation.

REF191ES devices offer a wide range of features that make them well-suited for a variety of industrial applications. The features include programmable output voltage range from 0.6V to 6V, input voltage range from 6V to 24V, low power operation (13µA), wide temperature range (-40°C to 85°C), and low drift (less than 0.1mV/°C).

The REF191ES Voltage Reference ICs are ideal for use in precision voltage reference designs where accuracy, accuracy over time, and temperature stability and wide temperature range are primary design requirements.

REF191 ES Working Principle

The REF191ES Voltage Reference ICs are based on a bi-directional zener diode design that provides ultra-stable, low-noise operation. This type of voltage reference architecture provides excellent reliability and accuracy, with minimal drift with temperature and time.

The REF191ES Voltage Reference ICs feature a low impedance, programmable current mirror, which enables them to provide high accuracy and stability at low operating currents. The integrated current mirror minimizes voltage drop and ensures maximum accuracy under varying temperatures and load conditions.

The REF191ES Voltage Reference ICs also feature low-noise circuit design that minimizes the impact of thermal noise on the voltage reference output. The low noise circuit design helps to maintain a stable output voltage over time, even under varying temperature and load conditions.

The REF191ES Voltage Reference ICs can be used to provide highly accurate voltage references for microcontrollers, A/D converters, data acquisition systems, and medical instrumentation. The programmable output voltage range and low operating current makes them ideal for these applications.

Conclusion

The REF191ES series of programmable voltage reference ICs is a highly accurate and reliable solution for a variety of industrial applications, specifically those requiring precise voltage references and low-noise operation. The devices offer a wide range of features, including a programmable output voltage range, low operating current, low noise circuit design, and wide temperature range, making them well-suited for use in a variety of applications.

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