TDA4290-2

The TDA4290-2 is a tone control IC for the DC voltage control of volume, treble, and bass. The volume characteristic can be changed from linear to physiological. The feature of TDA4290-2 are as follows: (1)few external components; (2)high signal-to-noise ratio; (3)low total harmonic distortion; (4)complies with the IEC 268-3 standards.

The absolute maximum ratings of the TDA4290-2 are: (1)supply voltage: 18 V; (2)control inputs: 0 to Vs V ; (3)input signal: 3V; (4)load current: 10mA; (5)junction temperature: 150; (6)storage temperature range: -40 to 125; (7)thermal resisitance(system-air): 90K/W.

The following is about the electrical characteristics of TDA4290-2: (1)current consumption: 35mA typical and 50mA max; (2)reference voltage: 4.5V min, 4.85V typical and 5.2V max; (3)input resistance: 2.9k min and 3.6k typical; (4)input resistance: 200; (5)changeover current: 3.5mA; (6)input current for set inputs: 4A typical and 20A max.