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ATR

GPS Receiver Chipset

ANTARIS® Position Engine

 ANTARIS chipset Atmel phases this product out. For new designs, we recommend
the ANTARIS 4 chipsets instead.

Overview

The leading ANTARIS® GPS Engine provides excellent navigation performance under dynamic conditions in areas with limited sky view like urban canyons, high sensitivity for weak signal operation without compromising accuracy, and support of DGPS and multiple SBAS systems like WAAS and EGNOS. The 16 parallel channels and 8192 search bins provide fast start-up times. The aiding functionality accelerates start-up times even further. The low power consumption and FixNow™ power saving mode make this product suitable for handheld and battery-operated devices.

The ANTARIS GPS chipset consists of three IC's:
  • ATR0600 RF front-end IC
  • ATR0610 Low Noise Amplifier IC (optional use)
  • ATR0620 Baseband IC
These chips comprise a complete GPS solution from antenna input to navigation data output. The ATR0620 contains the integrated ARM7TDMI, ROM for the GPS firmware and on-chip RAM. No additional active components (memory, voltage regulators, amplifiers, etc.) are required for simple applications.

The power consumption is 100 mW in continuous operation with 1 position fix per second, allowing extended operating time. The internal Autonomous Power Manager (APM) controls the functional blocks of the receiver and powers down the parts of the receiver, which are not in use. Hence, the power consumption can be even further reduced without compromising GPS performance. Further benefits are its excellent RF jamming immunity and the high integration that allows GPS solutions on minimum board area (less than 400mm2). The computational power of the integrated ARM7 CPU core can be further utilized to implement user applications, allowing efficient designs without the need for an external host CPU.

The ANTARIS GPS software offers various navigational platforms, to enable system makers to optimize the navigation performance and receiver sensitivity for specific applications. A real-time operating system guarantees stable operation and supports easy access to hardware functions through an Application Link Layer (ALL). The ALL architecture offers an API (Application Programming Interface), which makes custom code integration fast and easy.

Further Information: Product Summary, Support and Technical Documentation, ATMEL GPS web site

Ordering Information: ATR0600, ATR0610, ATR0620

Benefits

  • High sensitivity
    • -150 dBm tracking
    • -140 dBm acquisition
  • Ultra-low power consumption: typ. 100 mW
  • Fast Time-To-First-Fix (TTFF)
    • 34 s cold start
    • 5 s TTFF with assisted GPS
    • <3.5 s hot start
  • Excellent navigation performance
    • 2.5 m CEP
    • 2.0 m CEP with DGPS / SBAS (depending on accuracy of correction data)
    • No accuracy compromises at low signal levels
    • Active multipath detection and removal
  • Maximum flexibility
    • Extensively configurable
    • Integration of user application software
  • Immune to RF interference
  • Small system footprint
  • Reduced Bill of Material and system cost

Features

  • 16 channel GPS receiver
  • 8192 simultaneous time-frequency search bins
  • 4Hz position update rate
  • DGPS and SBAS (WAAS, EGNOS) support
  • FixNOW™ power saving mode
  • Operating voltage: 2.7 to 3.3 V
  • Industrial operating temperature range -40 to 85°C
  • Tiny BGA, VFQFP and PLLP packages

 
/products/antaris.html
last modified: 15.12.2006

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