View tsa5526 27 2 datasheet:

INTEGRATED CIRCUITS DATA SHEET TSA5526; TSA5527 1.3 GHz universal bus-controlled TV synthesizers 1996 Sep 24 Product specification Supersedes data of 1995 Mar 22 File under Integrated Circuits, IC02 Philips Semiconductors Product specification 1.3 GHz universal bus-controlled TSA5526; TSA5527 TV synthesizers FEATURES • Complete 1.3 GHz single chip system • Four PNP band switch buffers (40 mA) • 33 V output tuning voltage • In-lock detector • 5-step ADC APPLICATIONS • 15-bit programmable divider • TV tuners and front ends • Programmable reference divider ratio • VCR tuners. (512, 640 or 1024) • Programmable charge-pump current (60 or 280 µA) • Programmable automatic charge-pump current switch • Varicap drive disable • Universal bus protocol I2C-bus or 3-wire bus