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TDA2822 Datasheet(PDF) 8 Page - STMicroelectronics

Part No. TDA2822
Description  DUAL POWER AMPLIFIER
Download  11 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA2822 Datasheet(HTML) 8 Page - STMicroelectronics

 
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Figure 14 : Application Circuit for Portable Radios.
MOUNTING INSTRUCTION
The Rth j-amb of the TDA2822 can be reduced by sol-
dering the GND pins to a suitable copper area of the
printed circuit board (Figure 15) or to an external
heatsink (Figure 16).
The diagram of Figure 17 shows the maximum dis-
sipable power Ptot and the Rth j-amb as a function of
the side ”
∂” oftwoequalsquarecopperareas having
a thickness of 35
µ (1.4 mils).
During soldering the pins temperature must not ex-
ceed 260
°C and the soldering time must not be
longer than 12 seconds.
The external heatsink or printed circuit copper area
must be connected to electrical ground.
Figure 15 : Example of P.C. Board Copper Area
which is used as Heatsink.
Figure 16 : External Heatsink Mounting Example.
TDA2822
8/11


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