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TDA2822 参数 Datasheet PDF下载

TDA2822图片预览
型号: TDA2822
PDF下载: 下载PDF文件 查看货源
内容描述: 双功放 [DUAL POWER AMPLIFIER]
分类和应用: 消费电路商用集成电路音频放大器视频放大器功率放大器光电二极管
文件页数/大小: 11 页 / 165 K
品牌: STMICROELECTRONICS [ STMICROELECTRONICS ]
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TDA2822
Figure 14 :
Application Circuit for Portable Radios.
MOUNTING INSTRUCTION
The R
th 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 P
tot
and the R
th j-amb
as a function of
the side ”∂” oftwo equalsquare copperareas having
a thickness of 35
µ
(1.4 mils).
Figure 15 :
Example of P.C. Board Copper Area
which is used as Heatsink.
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 16 :
External Heatsink Mounting Example.
8/11