MAX2044ETP+T【PDF 1/39 页】IC MIXER UP/DOWN CONVER 20TQFN

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19-5002; Rev 0; 10/09

SiGe, High-Linearity, 2300MHz to 4000MHz

Upconversion/Downconversion Mixer with LO Buffer

General Description

The MAX2044 single, high-linearity upconversion/down-

conversion mixer provides +32.5dBm input IP3, 8.5dB

noise figure, and 7.7dB conversion loss for 2300MHz

to 4000MHz LTE, WiMAX K , and MMDS wireless infra-

structure applications. With an ultra-wide 2600MHz to

4300MHz LO frequency range, the MAX2044 can be

used in either low-side or high-side LO injection archi-

tectures for virtually all 2.5GHz and 3.5GHz applications.

In addition to offering excellent linearity and noise

performance, the MAX2044 also yields a high level of

component integration. This device includes a double-

balanced passive mixer core, an LO buffer, and on-chip

baluns that allow for single-ended RF and LO inputs.

The MAX2044 requires a nominal LO drive of 0dBm,

and supply current is typically 138mA at V CC = 5.0V or

121mA at V CC = 3.3V.

The MAX2044 is pin similar with the MAX2029/MAX2031

650MHz to 1000MHz mixers and the MAX2039/MAX2041/

MAX2042 1700MHz to 3000MHz mixers, making this

entire family of up/downconverters ideal for applica-

tions where a common PCB layout is used for multiple

frequency bands.

The MAX2044 is available in a compact 20-pin thin QFN

(5mm x 5mm) package with an exposed pad. Electrical

performance is guaranteed over the extended -40 N C to

+85 N C temperature range.

Applications

2.5GHz WiMAX and LTE Base Stations

Features

S 2300MHz to 4000MHz RF Frequency Range

S 2600MHz to 4300MHz LO Frequency Range

S 50MHz to 500MHz IF Frequency Range

S 7.7dB Conversion Loss

S 8.5dB Noise Figure

S +32.5dBm Typical Input IP3

S 21dBm Typical Input 1dB Compression Point

S 68dBc Typical 2RF - 2LO Spurious Rejection at

P RF = -10dBm

S Integrated LO Buffer

S Integrated RF and LO Baluns for Single-Ended

Inputs

S Low -3dBm to +3dBm LO Drive

S Pin Similar with the MAX2029/MAX2031 Series

of 650MHz to 1000MHz Mixers and the MAX2039/

MAX2041/MAX2042 Series of 1700MHz to

3000MHz Mixers

S Single 5.0V or 3.3V Supply

S External Current-Setting Resistor Provides Option

for Operating Device in Reduced-Power/Reduced-

Performance Mode

Ordering Information

2.7GHz MMDS Base Stations

3.5GHz WiMAX and LTE Base Stations

Fixed Broadband Wireless Access

PART

MAX2044ETP+

MAX2044ETP+T

TEMP RANGE

-40 N C to +85 N C

PIN-PACKAGE

20 Thin QFN-EP*

Wireless Local Loop

Private Mobile Radios

Military Systems

+ Denotes a lead(Pb)-free/RoHS-compliant package.

* EP = Exposed pad.

T = Tape and reel.

WiMAX is a trademark of WiMAX Forum.

_______________________________________________________________ Maxim Integrated Products 1

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

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

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