LMX2337MX

IC FREQ SYNTH DUAL 1.1GHz 16SOIC

General Description

The LMX2335, LMX2336 and LMX2337 are monolithic, integrated dual frequency synthesizers, including two high frequency prescalers, and are designed for applications requir ing two RF phase-lock loops. They are fabricated using National’s ABiC IV silicon BiCMOS process.

Features

■ 2.7V to 5.5V operation

■ Low current consumption

■ Selectable powerdown mode:

   ICC = 1 µA typ

■ Dual modulus prescaler: 64/65 or 128/129

■ Selectable charge pump TRI-STATE® mode

■ Selectable charge pump current levels

■ Selectable FastLock™ mode

Applications

■ Cellular telephone systems AMPS, ETACS, RCR-27

■ Cordless telephone systems DECT, ISM, PHS, CT-1+

■ Personal Communication Systems DCS-1800, PCN-1900

■ Dual Mode PCS phones

■ CATV

■ Other wireless communication systems