General Description

The MAX2745 complete single-chip global positioning system (GPS) RF front-end downconverter 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.

Features

♦ Complete Single-Chip GPS Radio for 16.368MHz

   and 32.736MHz Floorplans

♦ Single-Ended or Differential Outputs at 4.092MHz

♦ Low 3.5dB Typical Noise Figure

♦ No External IF SAW or Discrete Filters Required

♦ On-Chip Temperature Sensor

♦ 2.4V to 3.6V Operational Supply Voltage Range

♦ Power Consumption as Low as 41mW at 2.4V

♦ Wide -40°C to +85°C Operational Temperature

   Range

Applications

   In-Vehicle Navigation Systems (IVNSs)

   Location-Based Services (PDAs and Accessories)

   Telematics (Vehicle/Asset Tracking and

   Inventory Management)

   Recreational Handheld/Walkie Talkies

   Geographical Information Systems (GISs)

   Emergency Roadside Assistance

   Emergency Response Systems

   Digital Cameras/Camcorders

   Consumer Electronics