General Description
The MAX2042A single, high-linearity upconversion/downconversion mixer provides up to +33dBm input IP3, 7.25dB noise figure, and 7.2dB conversion loss for 1600MHz to 3900MHz GSM/EDGE, CDMA, TD-SCDMA, WCDMA, LTE, TD-LTE, WiMAXK, and MMDS wireless infrastructure applications. With an ultra-wide 1300MHz to 4000MHz LO frequency range, the IC can be used in either low-side or high-side LO injection architectures for virtually all 1.7GHz to 3.5GHz applications (for a 2.5GHz variant tuned specifically for low-side LO injection, refer to the MAX2042).
In addition to offering excellent linearity and noise performance, the IC 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 IC requires a nominal LO drive of 0dBm, and supply current is typically 140mA at VCC = 5.0V or 122mA at VCC = 3.3V.
The MAX2042A is available in a compact, 20-pin TQFN package (5mm x 5mm) with an exposed pad. Electrical performance is guaranteed over the extended TC = -40NC to +85NC temperature range.

Benefits and Features
♦ Wide-Band Coverage
   ◇ 1600MHz to 3900MHz RF Frequency Range
   ◇ 1300MHz to 4000MHz LO Frequency Range
   ◇ 50MHz to 500MHz IF Frequency Range
♦ 7.2dB Conversion Loss
♦ 7.25dB Noise Figure
♦ High Linearity
   ◇ +33dBm Input IP3
   ◇ +21.7dBm Input 1dB Compression Point
   ◇ 72dBc Typical 2LO - 2RF Spurious Rejection at PRF = -10dBm
♦ Simple PCB Layout
   ◇ Integrated LO Buffer
   ◇ Integrated LO and RF Baluns for Single-Ended Inputs
♦ Low -6dBm to +3dBm LO Drive
♦ Pin Compatible with the MAX2042 2000MHz to 3000MHz Mixer
♦ Pin-Similar with the MAX2029/MAX2031/MAX2033
   650MHz to 1550MHz Mixers, MAX2039/MAX2041
   1700MHz to 3000MHz Mixers, and MAX2044
   2300MHz to 4000MHz Mixer
♦ Single +5.0V or +3.3V Supply
♦ External Current-Setting Resistor Provides Option
   for Operating Device in Reduced-Power/Reduced
   Performance Mode
  
Applications
   1.8GHz/1.9GHz GSM/EDGE/CDMA Base Stations
   2.1GHz WCDMA/LTE Base Stations
   2.3GHz TD-SCDMA/TD-LTE Base Stations
   2.5GHz WiMAX and LTE Base Stations
   2.7GHz MMDS Base Stations
   3.5GHz WiMAX and LTE Base Stations
   Fixed Broadband Wireless Access
   Wireless Local Loop
   Private Mobile Radios
   Military Systems