The recommended operating voltage range for the NE521DG is 4.5V to 16V, although it can operate up to 18V with reduced performance.
To ensure proper biasing, connect the output stage to a low-impedance load, and use a voltage divider to set the output voltage to half the supply voltage. Also, ensure the input stage is biased to the midpoint of the supply voltage.
The maximum power dissipation of the NE521DG is 1.4W, assuming a junction temperature of 150°C. However, this value can be derated based on the ambient temperature and package type.
While the NE521DG can be used as a voltage regulator, it's not recommended due to its limited current capability and lack of built-in voltage regulation features. Instead, consider using a dedicated voltage regulator IC.
To prevent overheating, ensure good heat sinking, use a thermally conductive package, and avoid operating the device at maximum power dissipation for extended periods. Also, consider using thermal monitoring and shutdown circuits.
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