NTP系列,fault 管脚的作用
NeoFidelity, Inc.
Design Guide
NTP8XXX-001-R02
1. GENERAL DESCRIPTION
This document is made to help circuit design for NTP8XXX series, especially with respect to /FAULT pin.
2. APPLICATION CIRCUIT FOR /FAULT PIN
2.1 Function of /FAULT pin
other words, when /FAULT is low, the OUT1A, OUT1B, OUT2A, and OUT2B – become off and go into This function is useful when unexpected drop or discontinuity of which causes pop sound at the output of speakers.
pop noise when the a pin can be connected to VDD_IO (usually 3.3V) or left pulled up, so it is weakly tied to VDD_IO.
2.2 detector is around 2.9V.
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