STA8089GATR - GPS/Galileo/GLONASS Receiver IC | STMicroelectronics
MPN: STA8089GATR ✓ Hoạt độngSTA8089GATR Tóm tắt
A GNSS receiver IC is a specialized system-on-chip (SoC) that captures satellite signals, downconverts them to an intermediate frequency, and processes them to compute position, velocity, and time. The STA8089GATR belongs to the GNSS receiver category, which is a subset of RF and wireless communication ICs. It combines an RF tuner, digital baseband processor, and application processor, making it a complete solution for location-based services.
Key features of the STA8089GATR include a 32-channel tracking engine, -162 dBm tracking sensitivity, and a low power consumption of 45 mA in continuous tracking mode. It supports both active and passive antennas, with an integrated LNA and SAW filter interface. The device also features a built-in ARM9 processor running at 96 MHz, which can execute user applications and handle communication protocols. Its wide operating voltage range of 1.8V to 3.6V and industrial temperature range of -40°C to +85°C make it suitable for harsh automotive environments.
The STA8089GATR employs advanced RF CMOS technology, achieving high integration and low power consumption. Its architecture includes a direct-conversion receiver, which simplifies the RF front-end and reduces external component count. The baseband processor uses a hardware correlator for efficient satellite signal acquisition and tracking, while the ARM9 core handles navigation algorithms and user interface tasks. This dual-core design enables real-time positioning with minimal latency.
Typical applications include automotive navigation systems, fleet management, telematics, and portable navigation devices (PNDs). The device's high sensitivity and multi-constellation support ensure reliable positioning in urban canyons and under tree cover. Its low power consumption extends battery life in portable devices, while the industrial temperature range supports under-hood automotive installations.
When designing with the STA8089GATR, ensure proper RF layout with a 50-ohm impedance-controlled trace to the antenna, and place decoupling capacitors close to the power pins. The device requires a clean power supply and a stable reference clock (26 MHz TCXO) for optimal performance. Refer to the STMicroelectronics application note AN4650 for detailed design guidelines.
Bộ thay thế dễ dàng lắp đặt cho STA8089GATR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
STA8089FG
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STA8089GA
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STA8089EX
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
STA8089GATR Thông số kỹ thuật (bản công bố của nhà sản xuất)
| Receiver Type | GPS/Galileo/GLONASS/QZSS |
| Number of Channels | 32 |
| Tracking Sensitivity | -162 dBm |
| Acquisition Sensitivity | -148 dBm |
| Điện áp cung cấp | 1.8V to 3.6V |
| Current Consumption (Tracking) | 45 mA |
| Nhiệt độ hoạt động | -40°C to +85°C |
| Hộp | 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 |
| Trạng thái RoHS | Compliant |
| AEC-Q100 | Qualified |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân STA8089GATR
| Chân 1 | VCC_RF — RF power supply |
| Chân 2 | GND — Ground |
| Chân 3 | RF_IN — RF input from antenna |
| Chân 4 | GND — Ground |
| Chân 5 | VCC — Main power supply |
| Chân 6 | GND — Ground |
| Chân 7 | TCXO — Reference clock input |
| Chân 8 | GND — Ground |
| Chân 9 | UART_TX — UART transmit |
| Chân 10 | UART_RX — UART receive |
| Chân 11 | SPI_CLK — SPI clock |
| Chân 12 | SPI_MOSI — SPI master out slave in |
| Chân 13 | SPI_MISO — SPI master in slave out |
| Chân 14 | SPI_CS — SPI chip select |
| Chân 15 | I2C_SCL — I2C clock |
| Chân 16 | I2C_SDA — I2C data |
| Chân 17 | USB_DP — USB data plus |
| Chân 18 | USB_DM — USB data minus |
| Chân 19 | GND — Ground |
| Chân 20 | VCC — Main power supply |
Đặc tính điện và nhiệt
| Công suất đầu vào | 1.8V to 3.6V |
| Công suất tiêu thụ | 45 mA |
| Nhiệt độ hoạt động | -40°C to +85°C |
Các thông số điện và nhiệt của STA8089GATR được công bố bởi nhà sản xuất.
Ứng dụng tiêu biểu
STA8089GATR phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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 (-40°C to +85°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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho STA8089GATR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- AEC-Q100 qualified for automotive (vsSTA8089FG)
- Integrated ARM9 processor (vsNEO-M8N)
- Multi-constellation support (vsNEO-M8N)
Ghi chú thiết kế
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 25°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 -40°C to +85°C, so verify that the junction temperature stays within limits.
Thông tin tuân thủ
RoHS compliant and AEC-Q100 qualified per STMicroelectronics product page. REACH compliance assumed based on ST's general compliance.
