Overview

Features and Benefits

  • AEC-Q100 Automotive Qualified
  • GPS/GLONASS/Galileo/Compass Systems
  • 40pF Output Clock Drive Capability
  • No External IF SAW or Discrete Filters Required
  • Programmable IF Frequency
  • Fractional-N Synthesizer with Integrated VCO Supports Wide Range of Reference Frequencies
  • Dual-Input Uncommitted LNA for Separate Passive and Active Antenna Inputs
  • 1.4dB Cascade Noise Figure
  • Integrated Crystal Oscillator
  • Integrated Active Antenna Sensor
  • 2.7V to 3.3V Supply Voltage
  • Small, 28-Pin, RoHS-Compliant, Thin QFN Lead-Free Package (5mm x 5mm)

Product Details

The MAX2769B is a next-generation Global Navigation Satellite System (GNSS) receiver covering GPS, GLONASS, Galileo, and Compass navigation satellite systems on a single chip. This single-conversion GNSS receiver is designed to provide high performance for industrial and automotive applications.

Designed on Maxim's advanced, low-power SiGe BiCMOS process technology, the MAX2769B offers the highest performance and integration at a low cost. Incorporated on the chip is the complete receiver chain, including a dual-input LNA and mixer, followed by the image-rejected filter, PGA, VCO, fractional-N frequency synthesizer, crystal oscillator, and a multibit ADC. The total cascaded noise figure of this receiver is as low as 1.4dB.

The MAX2769B completely eliminates the need for external IF filters by implementing on-chip monolithic filters and requires only a few external components to form a complete low-cost GPS RF receiver solution.

The MAX2769B is the most flexible receiver on the market. The integrated delta-sigma fractional-N frequency synthesizer allows programming of the IF frequency within a ±30Hz (fXTAL = 32MHz) accuracy while operating with any reference or crystal frequencies that are available in the host system. The ADC outputs CMOS logic levels with 1 or 2 quantized bits for both I and Q channels, or up to 3 quantized bits for the I channel. I and Q analog outputs are also available.

The MAX2769B is packaged in a 5mm x 5mm, 28-pin thin QFN package with an exposed paddle.

Applications

  • Automotive Navigation Systems
  • Laptops and Netbooks
  • Location-Enabled Mobile Handsets
  • Marine/Avionics Navigation
  • PNDs (Personal Navigation Devices)
  • Software GPS
  • Telematics (Asset Tracking, Inventory Management)

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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (3)

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PCN-PDN Information

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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.