AD5819BCBZ-REEL

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PMIC - Voltage Reference

The AD5819BCBZ-REEL is a monolithic, low-power, low-noise, low-dropout, featured voltage reference produced by Analog Devices. Specifically, the AD5819BCBZ-REEL is a four-channel, integrated, single-rail to output, Adjustable Linear Voltage Reference with a wide range of operating voltages. It is designed to provide a stable voltage and current source reference while consuming minimal power.

The AD5819BCBZ-REEL is ideal when used in applications such as communications, consumer electronics, automotive, instrumentation and medical devices due to the devices very low noise, stringent reference accuracy and wide operating voltage range. The device is suitable for consumer products and high-end applications. The device is small enough to be integrated into portable consumer products, as well as attractive for high-power, high-temperature industrial and communications products.

The AD5819BCBZ-REEL is a four-channel linear voltage reference with a simplified architecture for easy integration and reliability. The device features four low-noise, high-accuracy output voltages of 2.5 V, 3.3 V, 5 V and adjustable 6.0 V. It offers excellent reference accuracy of 0.5 mV maximum over temperature and 0.1 mV/V typical temperature coefficient, enabling precise control of the system reference. The device is available in an SOIC-8 package.

The AD5819BCBZ-REEL has a wide operating voltage range of 1.5 V to 6.5 V. This provides the user with adjustable output voltages ranging from 1.8 V to the maximum 6.0 V output. The device has a maximum current draw of 500µA and a minimum drop out voltage of 120 mV. The device is specified to operate over an extended temperature range of -40°C to +125°C.

The device features a linear voltage regulation loop design topology which provides simulation accuracy and low-noise performance. It features a ramp control architecture for extremely low current draw. An onboard amplifier located in the reference output combines with a low-dropout regulator in the reference input to minimize power consumption. The amplifier delivers a low-noise and stable reference voltage. The adjustable output is controlled by an external resistor divider set and controlled with a ramp input.

The AD5819BCBZ-REEL is a low-noise, low-dropout and low-power reference device ideal for precision applications. The simplified architecture and adjustable output voltage make it attractive for a wide range of consumer and industrial applications. The device also offers excellent temperature cycling and reference accuracy, as well as improved reliability due to its low-dropout design.

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