General description
The TDA8566 is an integrated class-B output ampliï¬Âer which is available in several
packages. TDA8566TH is contained in a 20-lead small outline plastic package. The
TDA8566TH1 is a 24-lead small outline plastic package which is pin compatible with the
I2C-bus controlled ampliï¬Âer TDA1566TH for one board layout. TDA8566Q is a 17-pin
DIL-bent-SIL package.
The device contains 2 ampliï¬Âers in a Bridge-Tied Load (BTL) conï¬Âguration. The output
power is 2 x 25 W in a 4 Ohm load or 2 x 40 W in a 2 Ohm load. It has a differential input stage
and 2 diagnostic outputs. The device is primarily developed for car radio applications.