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TDA7801PD 데이터시트(PDF) 21 Page - STMicroelectronics

부품명 TDA7801PD
상세설명  Digital input quad power amplifier with built-in diagnostics features
PDF  48 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7801PD 데이터시트(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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