LMX2305 Datasheet - National Semiconductor

LMX2305 550 MHz Frequency Synthesizer

The LMX2305 is a high performance frequency synthesizer with an integrated prescaler designed for RF operation up to 550 MHz It is fabricated using National’s ABiC IV BiCMOS process The LMX2305 contains a dual modulus prescaler which can select either a 64 65 or a 128 129 divide ratio at input frequ.

LMX2305 Features

* very low current consumption typically 4 0 mA at 2 75V The LMX2305 is available in a TSSOP 20-pin surface mount plastic package Features Y Y Y Y Y Y RF operation up to 550 MHz 2 65V to 5 5V operation Low current consumption ICC e 4 0 mA (typ) at VCC e 2 75V Dual modulus prescaler 64 65 or 128 129

LMX2305_NationalSemiconductor.pdf