MAX2359 Maxim Integrated Products, MAX2359 Datasheet

MAX2359

Manufacturer Part Number

MAX2359

Description

(MAX2351 - MAX2538) Quadruple-Mode PCS/Cellular/GPS LAN/Mixers

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX2359.pdf (27 pages)

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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. In

addition, 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 be

connected 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.

To optimize dynamic range at minimum current, the

MAX2351/MAX2354/MAX2358/MAX2359/MAX2530/

MAX2531/MAX2537/MAX2538 implement multiple LNA

and mixer states, including high gain/high linearity, high

gain/low linearity, midgain, low gain, and ultra-low gain. In

high-gain/high-linearity mode, the high-IP3 LNA mini-

mizes desensitization in the presence of a large interfer-

ing signal. For the other gain states, the LNA current is

reduced to improve standby time. Each band is imple-

mented with a separate mixer to optimize performance for

the specific band, and each mixer provides multiple lin-

earity modes to optimize linearity and current consump-

tion. The ultra-low gain mode operates with very little

current, which results in significant power savings

because the handset typically spends most of its time in

this mode.

19-2487; Rev 3; 1/04

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX2351

MAX2354

MAX2358

MAX2359

MAX2530

MAX2531

MAX2537

MAX2538

PART

Triple-Band, Quadruple-Mode PCS/Cellular Handsets

Single-Band Handsets

E911 and Traveler Assistance Through GPS

GSM/TDMA Cellular Phones

Quadruple-Mode PCS/Cellular/GPS LNA/Mixers

CELL PCS GPS

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✓

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________________________________________________________________ Maxim Integrated Products

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General Description

Internal divider

CELL VCO

Input

Selector Guide

—

Applications

Internal doubler

PCS VCO

Input

—

♦ Eliminate Up to 35 External Components

♦ Low LNA Noise Figure

♦ No External GPS VCO Required

♦ No Interstage GPS SAW Filter Required

♦ Triple Band, Quadruple Mode

♦ Ultra-Low Current: <10mA Average in CDMA

♦ Small 28-Pin QFN Package (5mm

*EP = exposed pad.

Pin Configurations continued at end of data sheet.

MAX2351ETI

MAX2354ETI

MAX2358ETI

MAX2359ETI

MAX2530ETI

MAX2531ETI

MAX2537ETI

MAX2538ETI

Phones

PCS: 1.2dB

Cellular: 0.9dB

GPS: 1.0dB

CLNA_OUT

PLNA_IN

CLNA_IN

GLNA_IN

PART

SHDN

GND

-40°C to +85°C

TEMP RANGE

Ordering Information

MAX2538

Pin Configurations

÷1.5

PIN-PACKAGE

28 Thin QFN-EP*

5mm)

÷2

Features

GIF-

GIF+

IFO-

IFO+

LO_OUT

BUFFEN

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