REF198ESZ

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Voltage References are a central component in many Power Management Integrated Circuit (PMIC) applications, and the popular REF198ESZ device is no exception. A voltage reference is a critical component for controlling the voltage and current in an electrical system, ensuring that the circuit operates correctly and efficiently. The REF198ESZ device is designed to provide a highly accurate, low-noise, low-ripple voltage reference, with exceptional stability and minimal temperature drift.

The REF198ESZ voltage reference is designed to be used in a wide variety of applications, including:

• Power Supply Regulation

• Power Electronics

• Communications Systems

• Measurement and Test Equipment

• Motor Drive Controls

The REF198ESZ voltage reference is also suitable for use in automotive and industrial environments, due to its high level of accuracy and robust design. The device is available in a wide range of packages, including leadless (LFCSP) and surface mount (MSOP) packages.

The REF198ESZ voltage reference uses a band-gap topology, which means that it uses an asymmetrical voltage divider to generate a voltage output which is a fixed fraction of the input voltage, typically 1V. The band-gap topology also ensures that the output voltage is stable over time, temperature and load variations.

The REF198ESZ device has an extremely low output noise (5 µV RMS) when the load current is within its specified limits. The device also exhibits excellent line and load regulation, due to the presence of differential output and voltage amplifier circuitry. This ensures that the output voltage remains very close to the ideal reference voltage, regardless of variations in the input voltage or changes in the load.

Finally, the REF198ESZ voltage reference offers excellent temperature stability (±50ppm/°C) over its specified temperature range (-40°C to +125°C). This ensures that the output voltage maintains a high level of accuracy over a wide range of temperatures, making it ideal for use in demanding conditions.

In summary, the REF198ESZ is a highly reliable and robust voltage reference device, which is suitable for a wide range of applications. It is capable of providing a highly accurate, low-noise output voltage, with excellent stability and minimal temperature drift.

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