TDA7421N Description
The TDA7421N is a high-performance tuner circuit which integrates AM and FM sections, PLL frequency sinthesizer and IF counter on a single chip. Use of BICMOS technology allows the implementation of tuning functions with a minimum of external ponents.Value spread of external ponents can be fully pensated by means of on-chip elec- TQFP64 ORDERING NUMBER: TDA7421N trical adjustment controlled by external µP.