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