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| TAS5414C-Q1 Datasheet, PDF (23/53 Pages) Texas Instruments – Four-Channel Automotive Digital Amplifiers | |||
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TAS5414C-Q1, TAS5424C-Q1
SLOS795E â SEPTEMBER 2013 â REVISED JANUARY 2015
7.4.1 Audio Shutdown and Restart Sequence
The gain ramp of the filtered output signal and the updating of the I2C registers correspond to the MUTE pin
voltage during the ramping process. The value of the external capacitor on the MUTE pin dictates the length of
time that the MUTE pin takes to complete its ramp. With the default 220-nF capacitor, the turnon common-mode
ramp takes approximately 26 ms and the gain ramp takes approximately 76 ms.
tGAIN
tCM
tCM
tGAIN
HIZ_Report_x
(All Channels)
LOW_LOW_Report_x
(All Channels)
MUTE_Report_x
(All Channels)
PLAY_Report_x
MUTE Pin
OUTx_P (Filtered)
(All Channels)
OUTx_M (Filtered)
(All Channels)
Figure 14. Timing Diagram for Click- and Pop-Free Shutdown and Restart Sequence
T0192-02
Copyright © 2013â2015, Texas Instruments Incorporated
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