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FDA803D-EHT Datasheet(PDF) 27 Page - STMicroelectronics

No. de pieza FDA803D-EHT
Descripción Electrónicos  1 x 45 W class D digital input automotive power amplifier with diagnostics, wide voltage operation range for car audio and telematic
PDF  78 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

FDA803D-EHT Datasheet(HTML) 27 Page - STMicroelectronics

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FDA803D
Finite state machine
77
7.5
MUTE-PLAY and diagnostic states
The amplifier can move from ECO-mode state to MUTE state selecting "PWM-ON" via I2C.
This operation turns-on the output PWM.
FDA803D can move to PLAY state (from MUTE state) via "PLAY" I2C command and returns
to MUTE state from PLAY state acting on the same bit.
Transition time between mute and play states could be selected via I2C.
Some external conditions could lead the amplifier in mute state automatically:
Low battery mute
High battery mute
Thermal mute
Hardware pin mute
Once mute condition is no more present the FDA803D will return automatically in PLAY
state, following I2C register program set.
Of course the user can decide to change the amplifier programming in the meanwhile, thus
avoiding the automatic return in PLAY.
From MUTE state the user can also select to enter DC diagnostic state.



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