TDA7427A Description
The TDA7427A is a PLL frequency synthesizer BLOCK DIAGRAM TSSOP28 SO28 ORDERING NUMBERS: TDA7427AAD (TSSOP28) TDA7427AAD1 (SO28) with an additional IF counting system that performs all the functions needed in a plete PLL radio tuning system for conventional and high speed RDS tuners. The device has dedicated outputs for IN-LOCK detection and Search/Stop station.