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TDA7801H датащи(PDF) 21 Page - STMicroelectronics

номер детали TDA7801H
подробное описание детали  Digital input quad power amplifier with built-in diagnostics features
PDF  48 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7801H датащи(HTML) 21 Page - STMicroelectronics

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TDA7801
Operation mode
4
Operation mode
The device has three main operation modes:
Standby mode
Tristate mode
Amplifier mode
4.1
Standby mode
When the ENABLE pin is low the device is in standby-mode. The current consumption is
ISB.
4.2
Tristate mode
When the ENABLE pin is high and the bit D7 of register DB0 is low the device is in tristate-
mode. In that state the amplifier outputs are "high impedance", the I2C bus is ready to
receive command.
4.3
Amplifier mode
When the ENABLE pin is high and the bit D7 of register DB0 is high the device is in
amplifier-mode ready to play. To move the device in that state it is enough to write '1' on bit
D7 of register IB1 from tristate-mode. Note that the device starts with all channels muted by
default (see I2C registers description, Section 9).



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