Asserting CMUTE low initiates the device soft mute function. The soft mute function initiates a ramp downsequence of the outputs, and the output FETs go into a Hi-Z state after the ramp down is complete. All internalcircuits are powered while in soft mute state. External control of the soft mute function must provide highimpedance output when not engaged (open drain output) to allow the CMUTE node to charge/discharge duringdevice ramp up and ramp down when de-asserting and asserting RESET.