MAX2369EGM-TD Maxim Integrated Products, MAX2369EGM-TD Datasheet

MAX2369EGM-TD

Manufacturer Part Number

MAX2369EGM-TD

Description

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX2369EGMTD.pdf (16 pages)

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The MAX2369 is a dual-band, triple-mode complete

transmitter for cellular phones. The device takes a differ-

ential I/Q baseband input and mixes it up to IF through a

quadrature modulator and IF variable-gain amplifier

(VGA). The signal is then routed to an external bandpass

filter and upconverted to RF through an SSB mixer and

RF VGA. The signal is further amplified with an on-board

PA driver.

The MAX2369 is designed for dual-band operation and

supports TDMA for the PCS band as well as TDMA and

AMPS for the cellular band. The desired mode of

operation is selected by loading data on the SPI™/

MICROWIRE™-compatible 3-wire serial bus. The

MAX2369 then routes the signals to the appropriate ports

depending on which band is selected. The MAX2369

includes two RF LO input ports and two PA driver ports,

eliminating the need for external switching circuitry.

The MAX2369 takes advantage of the serial bus to set

modes such as charge-pump current, high or low side-

band injection, and IF/RF gain balancing. It is packaged

in a small (7mm

exposed paddle.

Pin Configuration appears at end of data sheet.

Selector Guide appears at end of data sheet.

SPI and QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

19-1924; Rev 1; 10/01

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

Dual-Band TDMA/Amps Handsets

GAIT Handsets

Triple-Mode, Dual-Mode, or Single-Mode

Mobile Phones

Satellite Phones

Wireless Data Links (WAN/LAN)

Wireless Local Area Networks (LANs)

High-Speed Data Modems

High-Speed Digital Cordless Phones

Wireless Local Loop (WLL)

________________________________________________________________ Maxim Integrated Products

7mm) 48-pin QFN package with

General Description

Applications

Quadrature Transmitter

o Dual-Band, Triple-Mode Operation

o +7dBm Output Power with -34dBc ACPR

o 100dB Power Control Range

o Supply Current Drops as Output Power Is Reduced

o On-Chip IF VCO and IF PLL

o QSPI/SPI/MICROWIRE-Compatible 3-Wire Bus

o Digitally Controlled Operational Modes

o +2.7V to +5.5V Operation

o Single Sideband Upconverter Eliminates SAW

o Power Control Distributed at IF and RF for

*Exposed paddle

TXGATE

MAX2369EGM

(NADC Modulation)

Filters

Optimum Dynamic Range

LOCK

IFIN+

IFIN-

N.C.

RFH

BIAS

RFL

Complete Dual-Band

PART

+45

TEMP. RANGE

-40°C to +85°C

Ordering Information

-45

Functional Diagram

MAX2369

IFPLL

PIN-PACKAGE

48 QFN-EP*

Features

REF

N.C.

TANK+

TANK-

IFLO

SHDN

I-

I+

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