Cirrus-logic CS35L00 Manual de usuario descargar pdf (Pagina 20)

CS35L00

20 DS906PP1

5.4.2 Recommended Power-Down Sequence

1. Mute the audio supplied to the CS35L00.

2. Pull the SD

pin low in order to reset the device and put it into the low power mode.

3. The power supply to the CS35L00 can now be removed.

5.5 Over Temperature Protection

The CS35L00 is internally protected against thermal overload. Built in die temperature sensing circuitry

monitors the die temperature and will place the device into shut-down if thermal overload occurs. A ther-

mal overload is characterized by the die temperature reaching the Thermal Error Threshold (T

) at which

time the outputs will tristate and shut down.

If the device has entered into shut-down due to a thermal overload, the die temperature must remain be-

low the Thermal Error Threshold (T

) for the time specified by the Thermal Error Retry Time (R

) in

order for the device to automatically return to normal operation.

Both T

and R

are specified in “Electrical Characteristics - All Operational Modes” on page 9.

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Cirrus-logic CS35L00 Manual de usuario Pagina 20