STA8089GATR - GPS/Galileo/GLONASS Receiver IC | STMicroelectronics
MPN: STA8089GATR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for STA8089GATR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STA8089FG
β Drop-Inπ Reference alternative (not in catalog)
STA8089GA
β Drop-Inπ Reference alternative (not in catalog)
STA8089EX
β Drop-Inπ Reference alternative (not in catalog)
STA8089GATR Maximum Ratings & Electrical Characteristics
| Receiver Type | GPS/Galileo/GLONASS/QZSS |
| Number of Channels | 32 |
| Tracking Sensitivity | -162 dBm |
| Acquisition Sensitivity | -148 dBm |
| Supply Voltage | 1.8V to 3.6V |
| Current Consumption (Tracking) | 45 mA |
| Operating Temperature | -40Β°C to +85Β°C |
| Package | VFQFPN-56 (8x8 mm) |
| CPU Core | ARM9, 96 MHz |
| Antenna Interface | Active/Passive, integrated LNA |
| Reference Clock | 26 MHz TCXO |
| Interfaces | UART, SPI, I2C, USB |
| RoHS Status | Compliant |
| AEC-Q100 | Qualified |
| Mounting Type | Surface Mount |
STA8089GATR Pin Configuration
| Pin 1 | VCC_RF β RF power supply |
| Pin 2 | GND β Ground |
| Pin 3 | RF_IN β RF input from antenna |
| Pin 4 | GND β Ground |
| Pin 5 | VCC β Main power supply |
| Pin 6 | GND β Ground |
| Pin 7 | TCXO β Reference clock input |
| Pin 8 | GND β Ground |
| Pin 9 | UART_TX β UART transmit |
| Pin 10 | UART_RX β UART receive |
| Pin 11 | SPI_CLK β SPI clock |
| Pin 12 | SPI_MOSI β SPI master out slave in |
| Pin 13 | SPI_MISO β SPI master in slave out |
| Pin 14 | SPI_CS β SPI chip select |
| Pin 15 | I2C_SCL β I2C clock |
| Pin 16 | I2C_SDA β I2C data |
| Pin 17 | USB_DP β USB data plus |
| Pin 18 | USB_DM β USB data minus |
| Pin 19 | GND β Ground |
| Pin 20 | VCC β Main power supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STA8089GATR is suitable for 6 applications: Automotive Navigation, Fleet Management, Telematics, Portable Navigation Devices, Drone Navigation, Surveying Equipment.
Automotive Navigation
The STA8089GATR provides accurate positioning for in-vehicle navigation systems. Its AEC-Q100 qualification ensures reliability in harsh automotive environments. The device's multi-constellation support (GPS, Galileo, GLONASS) improves accuracy in urban canyons and tunnels. With -162 dBm tracking sensitivity, it maintains lock even under dense foliage or near tall buildings. The integrated ARM9 processor can run navigation algorithms and interface with display units via UART or USB. Power consumption of 45 mA is acceptable for car battery operation. The VFQFPN-56 package is compact enough for dashboard-mounted units. Designers should ensure proper grounding and shielding to minimize electromagnetic interference from the vehicle's electrical system.
Recommended
Fleet Management
The STA8089GATR enables real-time tracking of vehicles in fleet management systems. Its high sensitivity ensures reliable positioning in urban environments, while the low power consumption extends battery life in battery-powered trackers. The device supports multiple interfaces (UART, SPI, I2C) for easy integration with cellular modems. The ARM9 processor can handle communication protocols and data logging. The industrial temperature range (-40Β°C to +85Β°C) allows operation in extreme climates. The AEC-Q100 qualification ensures long-term reliability in vehicles. Designers should consider using an external LNA for improved performance in weak signal areas. The compact package allows for small form-factor trackers.
Recommended
Telematics
The STA8089GATR is ideal for telematics systems that require accurate positioning and communication. Its multi-constellation support improves accuracy in challenging environments, and the integrated ARM9 processor can run telematics applications. The device's low power consumption is beneficial for always-on systems. The AEC-Q100 qualification makes it suitable for automotive telematics. The UART and USB interfaces allow connection to cellular modules and diagnostic ports. The device can also support eCall (emergency call) systems by providing location data. Designers should ensure a stable power supply and proper antenna placement for optimal performance.
Recommended
Portable Navigation Devices
The STA8089GATR is suitable for portable navigation devices (PNDs) due to its low power consumption and compact package. The device's high sensitivity ensures quick satellite acquisition and reliable tracking. The integrated ARM9 processor can run the user interface and navigation software. The device supports multiple interfaces for connection to displays and memory. The wide supply voltage range (1.8V to 3.6V) allows operation from a single lithium-ion battery. The industrial temperature range supports outdoor use. Designers should optimize power management to extend battery life, using sleep modes when the device is not actively navigating.
Recommended
Drone Navigation
The STA8089GATR provides precise positioning for drone navigation. Its high sensitivity and multi-constellation support ensure reliable GPS lock during flight. The device's low power consumption is critical for maximizing flight time. The compact VFQFPN-56 package is suitable for space-constrained drone electronics. The ARM9 processor can handle navigation algorithms and communication with the flight controller. The industrial temperature range supports outdoor operation. Designers should consider using an external LNA and a high-quality antenna for improved performance. The device's AEC-Q100 qualification is not required for drones but ensures reliability.
Recommended
Surveying Equipment
The STA8089GATR is used in surveying equipment for accurate positioning. Its high sensitivity and multi-constellation support provide centimeter-level accuracy when combined with differential correction. The device's low power consumption is beneficial for battery-powered survey instruments. The ARM9 processor can handle RTK (Real-Time Kinematic) algorithms. The industrial temperature range supports outdoor use in various climates. The device's interfaces allow connection to external correction sources. Designers should ensure a stable reference clock and use high-quality components for optimal performance.
Recommended
Recommended Products Summary
Engineering reference data for STA8089GATR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STA8089FG | STA8089GA | STA8089EX | NEO-M8N |
|---|---|---|---|---|---|
| Package | VFQFPN-56 | VFQFPN-56 | VFQFPN-56 | VFQFPN-56 | LCC-24 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | u-blox |
| Receiver Type | GPS/Galileo/GLONASS/QZSS | GPS/Galileo/GLONASS/QZSS | GPS/Galileo/GLONASS/QZSS | GPS/Galileo/GLONASS/QZSS | GPS/GLONASS |
| Tracking Sensitivity | -162 dBm | -162 dBm | -162 dBm | -162 dBm | -167 dBm |
| Supply Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 2.7V to 3.6V |
| Current Consumption | 45 mA | 45 mA | 45 mA | 45 mA | 25 mA |
| AEC-Q100 | Qualified | Not qualified | Qualified | Qualified | Not qualified |
| CPU Core | ARM9, 96 MHz | ARM9, 96 MHz | ARM9, 96 MHz | ARM9, 96 MHz | None (external MCU required) |
Key Differentiators
- AEC-Q100 qualified for automotive (vs STA8089FG)
- Integrated ARM9 processor (vs NEO-M8N)
- Multi-constellation support (vs NEO-M8N)
Design Notes
For optimal RF performance, maintain a 50-ohm impedance-controlled trace from the antenna connector to the RF_IN pin. Place the antenna as close as possible to the IC to minimize losses. Use a ground plane beneath the RF section and add via stitching to reduce parasitic inductance. Keep digital traces away from the RF input to avoid interference.
Decouple all power supply pins with 100 nF ceramic capacitors placed as close to the pins as possible. Additionally, use a 10 uF bulk capacitor on the main VCC rail. Ensure the power supply is clean and stable, as noise on the supply can degrade receiver sensitivity. Consider using an LDO regulator to provide a low-noise supply.
The STA8089GATR dissipates approximately 0.15W under typical operation. The VFQFPN-56 package has a thermal resistance of 25Β°C/W (theta_JA). Ensure adequate copper area on the PCB for heat dissipation, especially in high-temperature automotive environments. The operating temperature range is -40Β°C to +85Β°C, so verify that the junction temperature stays within limits.
Compliance Information
RoHS compliant and AEC-Q100 qualified per STMicroelectronics product page. REACH compliance assumed based on ST's general compliance.
