ZRC330A03STOB

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The ZRC330A03STOB is a precision voltage reference device in the PMIC - Voltage Reference category, designed for low current and high accuracy requirements. It is a three-terminal low-cost bandgap voltage reference circuit and is optimized for various battery powered applications, such as remote sensing and communication, portable medical and industrial monitoring, and automotive applications. This integrated circuit is equipped with an on-chip reference resistor and a low-noise CMOS inverter stage. Its highly stable output voltage can serve as a reference for powering other active elements in the system.

The ZRC330A03STOB offers a wide input voltage range of 2.6V to 6.5V, making it suitable for use with two-cell alkaline and two-cell Li-ion batteries. It also provides low supply current of 2.6 μA and fast start-up time of 1.6 μs, which can reduce the system power requirements and minimize the quiescent current. The device has an ultra-low temperature drift of 0.5PPM/K and an operating temperature range of -40°C to +125°C, which makes it suitable for a wide range of applications.

The device also features a breakdown voltage of 260 mV and an on-chip adjustable reference voltage of 1.5 V. It has a low output noise of 1 μV, a maximum load regulation of 50 μV and a load capacitance of 20 nF. The ZRC330A03STOB can also provide up to 10mA of load current, making it suitable for multiple system applications. Moreover, it comes with two pins for thermal shut-down and reverse VIN protection.

The ZRC330A03STOB works on the basic principles of voltage regulation, which is a process by which a reference voltage is compared with a measured output voltage. The device uses a bandgap circuit along with an error amplifier to generate the reference voltage. The error amplifier then amplifies the difference between the reference voltage and the output voltage. This difference is sent to the control circuitry which adjusts the output voltage accordingly in order to maintain the desired output voltage.

The ZRC330A03STOB can be used in a wide range of applications including as a reference voltage source in portable medical and industrial monitoring, remote sensing and communication, automotive systems, and various power management circuits. It can also be used in generating supply-independent logic levels in voltage sensor circuits, medical instrumentations and power supplies. It is also suitable for consumer electronic devices such as digital cameras, calculators, video games, etc.

In conclusion, the ZRC330A03STOB is a low-cost three-terminal voltage reference device with low current supply, fast start-up time and ultra-low temperature drift. It offers a wide input voltage range, low output noise and adjustable reference voltage. With its wide range of applications, the ZRC330A03STOB is ideal for various battery powered applications.

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