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STA8089GAT is listed in the RF Receivers range at ChipApex. The manufacturer field lists STMicroelectronics. Its product description is AUTOMOTIVE GRADE GPS/GALILEO/GLO. Review the specifications below when checking this part for your BOM.
The STA8089GAT is an automotive-grade, single-die standalone GNSS positioning receiver IC from STMicroelectronics. It supports GPS, Galileo, GLONASS, BeiDou, and QZSS constellations with 48 tracking channels and 2 fast acquisition channels. The device integrates an ARM946 MCU operating up to 196 MHz, embedded SRAM, and multiple interfaces including I2C, SPI, UART, USB 2.0, and dual CAN. It features a sensitivity of -162 dBm in tracking mode and achieves a cold start TTFF of 30 seconds. Operating within -40°C to +105°C, it meets AEC-Q100 standards.
Verify the specific suffix 'GAT' indicates tray packaging rather than reel configuration. Confirm AEC-Q100 certification status and extended temperature grade compliance (-40°C to +105°C) against project requirements. Ensure interface compatibility with target host controllers for USB, CAN, and serial protocols before integration.
Select this component for applications requiring high integration of RF front-end and baseband processing in a single die. Consider the ARM946 MCU capabilities if on-board data processing or dead reckoning logic is needed. Verify pin-to-pin compatibility with legacy STA8088GA designs if upgrading existing platforms. Assess power supply requirements for the main regulator and backup voltage domains.
The STA8089GAT belongs to the Teseo III family of positioning receivers. It is designed as a complete solution embedding the RF front-end, low noise amplifier, and baseband processor. This integration reduces board space and simplifies design complexity compared to discrete RF and baseband combinations.
Public confirmed substitute part numbers: STA8089GATR-BG, STA8089FGA.
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