19-3948; Rev 0; 1/06
High-Linearity, 1700MHz to 3000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
General Description
Features
The MAX2041 high-linearity passive upconverter or
downconverter mixer is designed to provide 7.4dB NF
and a 7.2dB conversion loss for an RF frequency range
of 1700MHz to 3000MHz to support UMTS/WCDMA,
DCS, PCS, and WiMAX base-station transmitter or
receiver applications. The IIP3 is typically +33.5dBm
for both downconversion and upconversion operation.
With an LO frequency range of 1900MHz to 3000MHz,
this particular mixer is ideal for high-side LO injection
architectures. (For a pin-compatible mixer meant for
low-side LO injection, refer to the MAX2039.)
ꢀ 1700MHz to 3000MHz RF Frequency Range
ꢀ 1900MHz to 3000MHz LO Frequency Range
ꢀ 1500MHz to 2000MHz LO Frequency Range
(MAX2039)
ꢀ DC to 350MHz IF Frequency Range
ꢀ 7.2dB Conversion Loss
ꢀ +33.5dBm Input IP3
ꢀ +23.3dBm Input 1dB Compression Point
ꢀ 7.4dB Noise Figure
In addition to offering excellent linearity and noise perfor-
mance, the MAX2041 also yields a high level of compo-
nent integration. This device includes a double-balanced
passive mixer core, a dual-input LO selectable switch,
and an LO buffer. On-chip baluns are also integrated to
allow for a single-ended RF input for downconversion (or
RF output for upconversion), and single-ended LO inputs.
The MAX2041 requires a nominal LO drive of 0dBm, and
supply current is guaranteed to be below 145mA.
ꢀ Integrated LO Buffer
ꢀ Integrated RF and LO Baluns
ꢀ Low -3dBm to +3dBm LO Drive
ꢀ Built-In SPDT LO Switch with 43dB LO1 to LO2
Isolation and 50ns Switching Time
ꢀ Pin Compatible with the MAX2031 815MHz to
995MHz Mixer
ꢀ External Current-Setting Resistor Provides Option
for Operating Mixer in Reduced-Power/Reduced-
Performance Mode
The MAX2041 is pin compatible with the MAX2031
815MHz to 995MHz mixer, making this family of passive
upconverters and downconverters ideal for applications
where a common PC board layout is used for both fre-
quency bands.
ꢀ Lead-Free Package Available
The MAX2041 is available in a compact 20-pin thin
QFN package (5mm x 5mm) with an exposed paddle.
Electrical performance is guaranteed over the extended
-40°C to +85°C temperature range.
Ordering Information
PKG
PART
TEMP RANGE PIN-PACKAGE
CODE
Applications
UMTS/WCDMA Base Stations
20 Thin QFN-EP*
(5mm x 5mm)
bulk
MAX2041ETP
-40°C to +85°C
T2055-3
DCS 1800/PCS 1900 EDGE Base Stations
cdmaOneTM and cdma2000® Base Stations
WiMAX Base Stations and Customer Premise Equipment
PHS/PAS Base Stations
20 Thin QFN-EP*
(5mm x 5mm)
T/R
MAX2041ETP-T -40°C to +85°C
T2055-3
T2055-3
20 Thin QFN-EP*
(5mm x 5mm)
lead-free
Predistortion Receivers
Fixed Broadband Wireless Access
Wireless Local Loop
MAX2041ETP+
-40°C to +85°C
bulk
Private Mobile Radio
20 Thin QFN-EP*
(5mm x 5mm)
lead-free
Military Systems
MAX2041ETP+T -40°C to +85°C
T2055-3
Microwave Links
T/R
Digital and Spread-Spectrum Communication Systems
*EP = Exposed paddle.
T = Tape-and-reel package.
+ = Lead free.
cdmaOne is a trademark of CDMA Development Group.
cdma2000 is a registered trademark of Telecommunications
Industry Association.
Pin Configuration and Typical Application Circuit appear at
end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
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.
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