LM385PSRE4-1-2

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The LM385PSRE4-1-2 is a precision voltage reference IC that is part of the PMIC Voltage Reference family. It is intended for applications requiring high accuracy, low temperature coefficient, low noise and low drift. The device is specified to operate over an extended temperature range of -55 °C to +100 °C.

The LM385PSRE4-1-2 voltage reference device offers a wide range of precision. The device can be operated from a standard (TTL) or high precision (calibrated) input voltage of 5 V, 6 V or 8 V. This range of operating voltages makes the device suitable for various applications where an input voltage of greater than 5 V is required or the accuracy of a higher voltage reference is desired.

The LM385PSRE4-1-2 operates with a maximum power dissipation of 200 mW with a quiescent current of less than 2 mA. It features a low offset of typically 0.05 mV and typically 0.06 mA of drift over its operating temperature range. The device has a 0.1 % absolute accuracy over the temperature range of –55 °C to +85 °C. The maximum current draw of the device is 5 mA.

The LM385PSRE4-1-2 PMIC Voltage Reference device is designed to maintain a precise voltage regardless of the current load on the device and regardless of the supply voltage. The wide operating range of the device makes it suitable for systems requiring precise voltage levels to be maintained. The device has a 2.5 V reference voltage and a 0.5 % output tolerance at 25 °C. The extremely low temperature coefficient of 0.035 %/°C ensures that the output voltage will be maintained to high accuracy over the full operating temperature range.

The LM385PSRE4-1-2 power up activation time is extremely fast with no break-in period required. The low operating current and fast power up activation of the device make it a great choice for power hungry applications. The device is designed to provide a very stable voltage output which is extremely accurate for long terms. The extremely low temperature coefficient of 0.035 %/°C ensures that the reference does not drift over the life of the device.

The wide operating range of the LM385PSRE4-1-2 makes it suitable for multiple applications. It is compatible with a wide variety of operating voltages and can be used in applications such as microprocessor based circuits and precision analog to digital converters. The output tolerance of 0.5 % at 25 °C makes the device suited for power supervisory circuits, microprocessor reset and supply regulation.

The LM385PSRE4-1-2 is an extremely stable and accurate voltage reference device. The excellent accuracy over extended temperature range and the low temperature coefficient makes the device ideal for a range of applications where precise, stable and low noise references are needed. The device offers a wide range of precision, making it suitable for many applications.

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