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2022-09-23 10:04:57
TDA2822 Dual Power Amplifier
Supply voltage drops to 3 V
Low crossover distortion
low quiescent current
Bridged or Stereo Configuration
illustrate
The TDA2822 is a monolithic integrated circuit 12+2+2 powerdip used as a power amplifier in dual-tone portable radios and TS devices.
Pin Connection (Top View)
Schematic
Test Circuit (Stereo)
P, C. Figure 1 Circuit board and component layout (1:1 scale)
Test circuit (bridge).
P, C. Figure 3 Board and component layout (1:1 scale).
Portable Radio Application Circuit.
Installation Notes
The j-amb of the TDA2822 can restore the ground pin through sol to
is a function of the maximum absorbable power Ptot and Rth j-amb
Volqual Copper District Planing Edge " 8706 ;"
Thickness is 35µ (1.4 mils).
During soldering, the pin temperature must not exceed 260 °C and the soldering time must not exceed 260 °C
more than 12 seconds.
External heat sink or printed circuit copper area
Must be grounded.
Example of copper area of PC board
used as a heat sink.
Example of external heat sink installation.
Opposite of maximum power and connection resistance to ambient temperature.
Maximum allowable power dissipation as a function of ambient temperature.
