U2733B-C Datasheet (TEMIC Semiconductors) - Fractional-N Frequency Synthesizer

U2733B-C, Fractional-N Frequency Synthesizer

The U2733B-C is a monolithically integrated fractional-N frequency synthesizer circuit fabricated in TEMIC’s advanced UHF5S technology.

Designed for applications in DAB receivers, it controls a VCO to synthesize frequencies in the range of 70 to 500 MHz in a 16 kHz raster; four different reference d

U2733B-C Features

* D Microprocessor controlled via I2C bus D 4 addresses selectable D Four reference divide factors selectable: 1024, 1120, 1152, 1536 D Effectively D Programmable 15-bit counter 1:2048 to 1:32767 effectively D Three state phase detector with programmable charge pump D Superior phase noise performance