AD581LH

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The AD581LH is a precision voltage reference that is part of the PMIC (Power Management Integrated Circuit) group. It is a three-terminal device, with a standard package size of 8-Lead TO-226. The device can be used in precision measurement applications, such as in medical imaging systems or industrial process control systems. It is also commonly used as a reference voltage in power supplies, analog-to-digital converters, and other integrated circuits.

The AD581LH has a guaranteed temperature coefficient of 0.01%/°C and an initial accuracy of 0.1%. It can provide up to ±50 mV adjustment range and a typical temperature stability of 0.01%/°C for very precise voltage reference. It features a low noise performance of 15 μV (p-p) along with low droop and excellent long term stability. The output voltage is set using the external trim potentiometer.

The AD581LH works by having a fraction of the output current returned to the internal band-gap reference as feedback. This results in a stable, yet adjustable, reference voltage output despite variations in the supply voltage. The output voltage of the device is further regulated to ensure that the voltage is maintained regardless of output load current. The device is designed to work with an external capacitor to optimize its performance.

The AD581LH is rated at a maximum operating temperature of 150°C, and has an impressive maximum current capability of 100 mA. It has an exceptional operating range of -40°C to +125°C and can be used in both narrow and wide range voltage variations. The device is also capable of surface mount mounting and is very compact in size so it can fit easily in tight spaced boards.

In conclusion, the AD581LH is an ideal choice for precision voltage reference applications. It offers a wide range of features such as low noise performance, stable output voltage, adjustable output voltage, and a wide temperature range. Its small size and surface mount capability makes it perfect for OEM applications. It is reliable and easy to use, making it an excellent choice for those in need of a high-precision voltage reference.

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