JAJSMR9A November 2021 – April 2022 OPA4H014-SEP
PRODUCTION DATA
Although the output current of the OPA4H014-SEP is limited by internal protection circuitry, accidental shorting of one or more output channels of a device can result in excessive heating. For instance, when an output is shorted to midsupply, the typical short-circuit current of 36 mA leads to an internal power dissipation of over 300 mW at a supply of ±9 V.
To prevent excessive heating leading to device damage, the OPA4H014-SEP series has an internal thermal shutdown circuit that shuts down the device if the die temperature exceeds approximately 180°C. When this thermal shutdown circuit activates, a built-in hysteresis of 15°C makes sure that the die temperature must drop to approximately 165°C before the device switches on again.