POWER-ON AND SHUT-DOWN POP REDUCTION IN AUDIO SYSTEMS
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 28, 2023
filing date -
Sep 28, 2023
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Abstract
An apparatus includes a first power stage circuit having a first output and a power terminal, and a second power stage circuit having a second output and the power terminal. The apparatus further includes a control circuit having a control input, a first control output, and a second control output. In an example, the control input is coupled to the power terminal, the first control output is coupled to the first output, and the second control output is coupled to the second output. In an example, the control circuit is configured to, responsive to a first voltage at the power terminal being below a threshold voltage, set the first and second outputs to a second voltage.
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