ADR441BRZ

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The ADR441BRZ is a voltage reference integrated circuit (IC) from Analog Devices. It is specifically designed for precision voltage monitoring and adjustment, and is classified under Power Management IC’s (PMIC) – Voltage Reference. This voltage reference IC is an ultra-small wideband buffered bandgap reference, and offers a robust solution for precise voltage measuring and control systems.

The ADR441BRZ provides a 10V output voltage with a very low output drift over the operating temperature range. This reference provides a wide output voltage range of ± 15mV to ± 3V with rail-to-rail output swing at the reference pins. The differential output swing of VREFx pins is larger than 1000mV, which makes this voltage reference IC ideal for hight-quality monitoring circuits. Its curve-tracer quality controls keep the output voltage in its specified range over temperature, power supply and time.

The ADR441BRZ is designed for systems requiring precision and stability in their voltage monitoring and adjustment circuits. This device can be used for applications ranging from AC/DC power supply design to precision voltage measurement and conversion. The device is also suitable for monitoring batteries in portable electrical systems, as well as for monitoring and supervising the voltages in automated industrial systems. Furthermore, this voltage reference is also suitable for solar cells applications and other high-speed monitoring circuits that require low noise, low input and output current phase shift and a wide output voltage range.

The ADR441BRZ voltage reference IC operates by using a wide bandgap band-gap reference to produce a highly accurate 10 V output voltage. The device uses a push-pull mirror amplifier which actively amplify the output of the reference and produces an output voltage that is higher than the reference voltage. The push-pull amplifier is designed to amplify the voltage up to 5V, while still driving the output at output ratings up to 10V while using minimal current. This feature ensures that the ADR441BRZ is able to drive the output voltage of other components accurately, with minimal current draw, without the need for excessive load current.

The ADR441BRZ device offers excellent output and supply noise rejection. The output voltage is hermetically sealed and includes an overvoltage limit feature which helps protect against excessive inputs. Additionally, the device also has a low operating temperature and a wide operating temperature range of -55°C to +150°C with a ± 0.05% change in output voltage. The device has low input and output frequency noise, low power supply rejection, and ESD and latch-up protection.

The ADR441BRZ is a precision voltage reference which offers advantages such as a wide range of input voltage and high accuracy output voltage. The device is ideal for a variety of applications, from precision AC/DC power supplies, to intelligent monitoring systems that require minimal power draw and precision voltage adjustment. With its low operating temperature and excellent output noise protection, this voltage reference device is the perfect solution for accurate voltage monitoring and adjustment.

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