LMX2335MX

PLL Frequency Synthesizer Dual 50MHz to 1100MHz 16Pin SOIC

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