General Description
The MAX2742 complete single-chip global positioning system (GPS) RF front-end utilizes many innovative and leading-edge RF CMOS design techniques. This high performance, state-of-the-art device consumes extremely low power and eliminates the need for costly SAW and bulky discrete IF filters. The MAX2742 incorporates a fully integrated low-noise amplifier (LNA) and mixer, IF section, digital sampler, and local oscillator synthesizer.

Features
♦ Complete Single-Chip GPS Front-End Receiver
♦ Single-Ended or Differential Outputs at 1.023MHz
♦ Low 4.5dB Typical Noise Figure
♦ No External IF SAW or Discrete Filters Required
♦ Very Low 32mW Power Consumption at +2.4V
♦ Wide +2.4V to +3.6V Operational Supply Voltage
   Range
♦ Extended -40°C to +85°C Temperature Range

Applications
   In-Vehicle Navigation Systems (IVNS)
   Location-Based Services (PDAs and Accessories)
   Recreational Handheld/Walkie Talkies
   Geographical Information Systems (GISs)
   Telematics (Vehicle, Asset Tracking, and Inventory Management)
   Emergency Roadside Assistance
   Emergency Response Systems
   Digital Cameras/Camcorders
   Consumer Electronics