The audioprocessor TDA7342 is an upgrade of the TDA731X audioprocessor family.
●Due to a highly linear signal processing, using CMOS-switching techniques instead of standard bipolar multipliers, very low distortion and very low noise are obtained. Several new features like softmute, and zero-crossing mute are implemented. The soft Mute function can be activated in two ways:Via serial bus (Mute byte, bit D0)Directly on pin 21 through an I/O line of the microcontroller
●Very low DC stepping is obtained by use of a BICMOS technology.
●Key Features
● All functions programmable via serial I2 C bus
● Four speaker attenuatorsFour independent speakers control in 1.25dB steps for balance and fader facilitiesIndependent mute function
● Input multiplexerTwo stereo and one mono inputsOne quasi differential inputSelectable input gain for optimal adaptation to different sources
● Volume control in 0.3dB steps including gain up to 20dB
● Fully programmable loudness function
● Bass and treble control
● Zero crossing mute, soft mute and direct mute
