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Application Notes








Downconverter Mixers



DATA SHEETS
Part Number Description Key Advantages
MAX2039 High-Linearity, 1700MHz to 2200MHz Upconversion/Downconversion Mixer with LO Buffer/Switch

MAX9994 SiGe High-Linearity, 1400MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch

Lowest Noise, Highest Linearity, 1400MHz to 2200MHz SiGe Downconversion Mixer for 2.5G, 3G, and 4G Base Stations
MAX9995 Dual, SiGe, High-Linearity, 1700MHz to 2700MHz Downconversion Mixer with LO Buffer/Switch

Lowest Noise, Highest Linearity, Dual, 1700MHz to 2700MHz SiGe Mixer for 2.5G and 3G Base Stations
MAX2043 1700MHz to 3000MHz High-Linearity, Low LO Leakage Base-Station Rx/Tx Mixer

Fully Integrated Up/Downconverter Delivers 7.5dB of Conversion Loss, 31dBm of IIP3, 7.8dB of NF, 63dBc of 2LO - 2RF Rejection, and -52dBm LO - RF Leakage While Replacing a Passive Mixer, an LO Amp, Two Baluns, an LO Switch, Plus Dozens of Discrete Components
MAX2041 High-Linearity, 1700MHz to 3000MHz Upconversion/Downconversion Mixer with LO Buffer/Switch

Fully Integrated Up/Downconverter Delivers 7.2dB of Conversion Loss, 33.5dBm of IIP3, 7.4dB of NF, and 63dBc of 2LO - 2RF Rejection while Replacing a Passive Mixer, an LO Amp, 2 Baluns, an LO Switch, Plus Dozens of Discretes!
MAX9995A Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch

Fully Integrated Downconverter Delivers 6.1dB of Gain, 25.6dBm of IIP3, 9.8dB of NF, and 66dBc of 2LO-2RF Rejection While Replacing 2 Mixers, 4 Amps, 3 Baluns, an LO Switch and Splitter, Plus Dozens of Discretes!
MAX2680, MAX2681, MAX2682 400MHz to 2.5GHz, Low-Noise, SiGe Downconverter Mixers




Key Specifications:

Downconverter Mixers
Part Number Channels RF Freq.
(MHz)
RF Freq.
(MHz)
LO Freq.
(MHz)
LO Freq.
(MHz)
IF Freq.
(MHz)
IF Freq.
(MHz)
Gain
(dB)
Input IP3
(dBm)
Noise Figure
(dB)
2RF-2LO/ 2LO-2RF
(dBc)
VCC
(V)
3.3V Supply Current
(mA)
5V Supply Current
(mA)
Footprint
(mm x mm)
Industry Qualified Package/Pins
min max min max min max
MAX2043  1 1700 3000 1900 3000 0 350 -7.5 31 7.8 63 4.75 to 5.25 - 108 6.0 x 6.0 -
TQFN/36
MAX2041  1 1700 3000 1900 3000 0 350 -7.1 34.5 7.3 63 4.75 to 5.25 - 104 5.0 x 5.0 -
TQFN/20
MAX9994  1 1400 2200 1400 2000 40 350 8.3 26.2 9.7 67 4.75 to 5.25 - 206 5.0 x 5.0 -
TQFN/20
MAX2039  1
1500
1700
2000
2200
1500 2000 0 350 -7.1 34.5 7.3 73 4.75 to 5.25 - 104 5.0 x 5.0 -
TQFN/20
MAX9995  2 1700 2200 1400 2000 40 350 6.1 25.6 9.8 66 4.75 to 5.25 - 332 6.0 x 6.0 -
TQFN/36
MAX2680  1 400 2500 400 2500 10 500 11.6 -12.9 6.3 - 2.7 to 5.5 5 - 2.7 x 2.9
Automotive - AECQ100
Automotive - General
SOT/6
MAX2681  1 400 2500 400 2500 10 500 14.2 -6.1 7 - 2.7 to 5.5 8.7 - 2.7 x 2.9 -
SOT/6
MAX2682  1 400 2500 400 2500 10 500 14.7 -1.8 6.5 - 2.7 to 5.5 15 - 2.7 x 2.9 -
SOT/6
MAX9995A  2 1700 2200 1750 2700 40 350 6 25.5 9.8 65 4.75 to 5.25 - 332 6.0 x 6.0 -
See Data Sheet
See All Downconverter Mixers (44)

Upconverter Mixers
Part Number Channels RF Freq.
(MHz)
RF Freq.
(MHz)
LO Freq.
(MHz)
LO Freq.
(MHz)
IF Freq.
(MHz)
IF Freq.
(MHz)
Gain
(dB)
Input IP3
(dBm)
LO +/-2IF
(dBc)
LO +/-3IF
(dBc)
LO Leakage at RF
(dBm)
Output Noise Floor
(dBm/Hz)
5V Supply Current
(mA)
Footprint
(mm x mm)
Package/Pins
min max min max min max
MAX2043  1 1700 3000 1900 3000 0 350 -7.4 28 67 63 -47 -160 108 6.0 x 6.0
TQFN/36
MAX2041  1700 3000 1900 3000 -7.3 33.5 65 72 -17.5 104 5.0 x 5.0
TQFN/20
MAX2039 
1500
1700
2000
2200
1500 2000 -7.5 33.5 63 72 -18 104 5.0 x 5.0
TQFN/20
See All Upconverter Mixers (20)





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