General Description

The MAX2351/MAX2354/MAX2358/MAX2359/MAX2530/MAX2531/MAX2537/MAX2538 family of single- and multi band LNA/mixer ICs is optimized for CDMA, GSM, and TDMA applications in both cellular and PCS bands. Inaddition, the MAX2530/MAX2531/MAX2537/MAX2538 ICs feature a GPS LNA/mixer signal path for E911 and traveler assistance applications. The cellular and PCS signals can be routed to either IF port. For example, one IF port can beconnected to an IF filter with 30kHz bandwidth, while the other port can drive an IF filter with a wider bandwidth. The

GPS band has its own IF port.

特性 Features

? Eliminate Up to 35 External Components

? Low LNA Noise Figure

??????? PCS: 1.2dB

??????? Cellular: 0.9dB

??????? GPS: 1.0dB

? No External GPS VCO Required

? No Interstage GPS SAW Filter Required

? Triple Band, Quadruple Mode

? Ultra-Low Current: <10mA Average in CDMA Phones

? Small 28-Pin QFN Package (5mm ? 5mm)

Applications

Triple-Band, Quadruple-Mode PCS/Cellular Handsets

Single-Band Handsets

E911 and Traveler Assistance Through GPS

GSM/TDMA Cellular Phones