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TS4975 Datasheet(PDF) 32 Page - STMicroelectronics

Part # TS4975
Description  Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4975 Datasheet(HTML) 32 Page - STMicroelectronics

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Application Information
TS4975
32/36
4.10
Thermo shutdown
The TS4975 device has internal protection in case of over temperature by thermal shutdown.
Thermal shutdown is active when the device reaches temperature 150°C.
When thermo shutdown protection is active, value $Fxh (1111xxxx binary) can be read from the
internal device registry.
When thermo shutdown protection state disappears, the last value of control register can be
read.
4.11
Demoboard
A demoboard for the TS4975 is available.
For more information about this demoboard, please refer to Application Note AN2151, which
can be found on www.st.com.
Figure 67 on page 33 shows the schematic of the demoboard. Figure 64, Figure 65 and
Figure 66, show bottom layer, top layer and the component locations, respectively.
Figure 64. Bottom layer
Figure 65. Top layer
Figure 66. Component location



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