TDA4944

The TDA4944 is comprises with a switchable matrix, CCIR VTR input and output, analog switches and an LED driver. The features of TDA4942 are: (1)switchable matrix; (2)tape recorder output; (3)all outputs are short-circuit resistant.

The following is about the absolute maximum ratings of TDA4944: (1)supply voltage: 16.5V; (2)junction temperature: 150; (3)storage temperature range: -40 to 125; (4)thermal resistance: 90K/W; (5)frequency: 20 to 20000Hz; (6)ambient temperature: 0 to 70.

The electrical characteristics of the TDA4944 are: (1)total current consumption: 14mA; (2)LED driver current: 10mA min and 15mA typical; (3)input voltage VTR: 0.5V typical and 2V max; (4)input current of the VTR circuit: 300A; (5)input current of the switch: 20A; (6)output resistance AF output: 0.2k; (7)output resistance VTR output: 0.2k; (8)total hamonic distortion: 0.5%.