LTC5551 Production
The LTC5551 is a 2.5V to 3.6V mixer optimized for RF downconverting mixer applications that require very high dynamic range. The LTC5551 covers the 300MHz...
Datasheet
LTC5551 on Analog.com

ADL5367 Obsolete
The ADL5367 uses a highly linear, doubly balanced passive mixer core along with integrated RF and LO balancing circuitry to allow for single-ended operation...
Datasheet
ADL5367 on Analog.com

ADL5365 Obsolete
The ADL5365 uses a highly linear, doubly balanced passive mixer core along with integrated RF and LO balancing circuitry to allow for single-ended operation...
Datasheet
ADL5365 on Analog.com

ADL5801 Recommended for New Designs
The ADL5801 uses a high linearity, doubly balanced, active mixer core with integrated LO buffer amplifier to provide high dynamic range frequency conversion...
Datasheet
ADL5801 on Analog.com