AD780BRZ

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PMIC (Power Management Integrated Circuit) voltage references are components used in application areas such as computer chips and microprocessors. They are required to provide a stable voltage or current reference to a system, and are also responsible for providing a failsafe response in the event of a system malfunction or failure. One example of a PMIC voltage reference is the AD780BRZ voltage reference.

The AD780BRZ is a high-precision voltage reference IC with a 0.5% initial accuracy over a temperature range of -40°C to +125°C. It provides a precision voltage of 10.000V output and is designed to be used in applications such as process control, data conversion, low current measurement, and industrial systems that require a low-dropout, low-noise, high precision reference voltage.

The AD780BRZ operates by providing an adjustable reference voltage output in the range of 10.0000V to 12.0000V. The device includes an adjustable reference voltage divider for output voltage adjustment and an external bias voltage option for improved accuracy. The reference voltage divider is composed of two external resistors, R1 and R2. The combination of the two resistors sets the output voltage to the desired value

The AD780BRZ also includes two amplifiers for gain setting, a feedback resistor to control the output impedance, and a current sense resistor to keep the output voltage stable across a wide variety of load conditions. The output of the device is protected from short circuit and over current conditions by a thermal shutdown circuit. The device also includes a current limit protection feature to protect against over-current and voltage overflow.

The AD780BRZ is designed to operate with a single positive power supply ranging from 2V to 15V with a maximum power dissipation of 1W. It is also capable of withstanding an input voltage range of -40°C to +125°C. The device is fully tested over the full temperature range and is compliant with the RoHS and AEC-Q100 standards.

In conclusion, the AD780BRZ is an ideal choice of voltage reference IC and is well suited for many applications requiring accurate and reliable reference voltages. With its combination of features, including adjustable reference voltage, current limit protection, and wide temperature range, it is the perfect for applications where high-accuracy voltage references are needed.

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