STA8089GADTR - GPS/Galileo/GLONASS Receiver IC | STMicroelectronics
部品番号: STA8089GADTR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 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 |
STA8089GADTR 概要
A GNSS receiver is a specialized radio receiver that processes signals from satellite navigation systems to determine precise geographic position, velocity, and time. The STA8089GADTR belongs to the category of satellite navigation ICs, which are essential components in modern navigation systems, telematics, and location-based services. These ICs convert raw satellite signals into usable position data, often integrating RF, baseband, and processing functions on a single chip to reduce system cost and complexity.
Key features of the STA8089GADTR include support for GPS, Galileo, and GLONASS constellations, a high-sensitivity RF front-end with -162 dBm tracking sensitivity, and an embedded ARM9 processor for application processing. The device offers a low power consumption of 45 mA in continuous tracking mode, making it suitable for battery-powered devices. It also includes a comprehensive set of interfaces, including UART, SPI, I2C, and USB, enabling flexible system integration.
The STA8089GADTR is built on STMicroelectronics' advanced CMOS process technology, integrating the RF front-end, baseband, and application processor on a single die. This integration reduces external component count and simplifies PCB design. The device supports assisted GPS (A-GPS) for faster time-to-first-fix (TTFF) in weak signal environments, and includes an integrated LNA for improved sensitivity. The ARM9 core runs the navigation firmware and can be used for custom application code, providing a complete GNSS solution.
Typical applications include automotive navigation systems, fleet management, personal tracking devices, and industrial IoT devices requiring precise location data. The STA8089GADTR is also suitable for telematics and emergency call (eCall) systems, where reliable positioning is critical. Its multi-constellation support ensures continuous operation even when one satellite system is unavailable.
When designing with the STA8089GADTR, ensure proper RF layout with a clean ground plane and adequate decoupling on the power supply pins. The device requires a 26 MHz reference crystal and a 32.768 kHz RTC crystal for accurate timekeeping. Follow the manufacturer's reference design for optimal antenna matching and RF performance.
ドロップイン代替品: STA8089GADTR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
STA8089GAD
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STA8089FG
✅ ドロップイン📋 参考代替品（カタログ未掲載）
STA8089EXG
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STA8089GADTR 仕様（メーカー公開）
| Constellations | GPS, Galileo, GLONASS |
| Tracking Sensitivity | -162 dBm |
| Acquisition Sensitivity | -148 dBm |
| Time-to-First-Fix (TTFF) | 1 s (hot start), 29 s (cold start) |
| Position Accuracy | 2.5 m CEP |
| 電源電圧 | 1.8 V to 3.3 V |
| Current Consumption | 45 mA (tracking) |
| Processor Core | ARM9 |
| Interfaces | UART, SPI, I2C, USB |
| パッケージ | VFQFPN-56 (8x8 mm) |
| 動作温度 | -40C to +85C |
| RoHS ステータス | Compliant |
| AEC-Q100 | Qualified |
| Integrated LNA | Yes |
| Assisted GPS | Yes (A-GPS) |
STA8089GADTR ピン構成
| ピン 1 | VCC_RF — RF supply voltage |
| ピン 2 | GND — Ground |
| ピン 3 | RF_IN — RF input from antenna |
| ピン 4 | GND — Ground |
| ピン 5 | VCC — Main supply voltage |
| ピン 6 | GND — Ground |
| ピン 7 | VCC_IO — I/O supply voltage |
| ピン 8 | UART_TX — UART transmit |
| ピン 9 | UART_RX — UART receive |
| ピン 10 | SPI_CLK — SPI clock |
| ピン 11 | SPI_MOSI — SPI master out slave in |
| ピン 12 | SPI_MISO — SPI master in slave out |
| ピン 13 | SPI_CS — SPI chip select |
| ピン 14 | I2C_SCL — I2C clock |
| ピン 15 | I2C_SDA — I2C data |
| ピン 16 | USB_DP — USB data plus |
| ピン 17 | USB_DM — USB data minus |
| ピン 18 | GND — Ground |
| ピン 19 | VCC — Main supply voltage |
| ピン 20 | GND — Ground |
電力・熱特性
| 電力入力 | 1.8 V to 3.3 V |
| 消費電力 | 45 mA (tracking) |
| 動作温度 | -40C to +85C |
メーカーが公開している STA8089GADTR の電力入力および熱パラメータ。
主な用途
STA8089GADTR の用途: 6 件s: Automotive Navigation, Fleet Management, Personal Tracking Devices, Industrial IoT, Telematics and eCall, Drones and UAVs.
Automotive Navigation
The STA8089GADTR provides accurate positioning for in-vehicle navigation systems. Its multi-constellation support (GPS, Galileo, GLONASS) ensures reliable performance in urban environments where satellite signals may be obstructed. The AEC-Q100 qualification and wide operating temperature range (-40C to +85C) make it suitable for automotive-grade applications. The integrated ARM9 processor can handle navigation algorithms and interface with the vehicle's infotainment system via UART or USB. With a tracking sensitivity of -162 dBm, the device maintains position lock even in tunnels or under dense foliage. The low power consumption of 45 mA is acceptable for automotive power budgets, and the VFQFPN-56 package is compact enough for space-constrained head units.
おすすめ
Fleet Management
In fleet management systems, the STA8089GADTR enables real-time vehicle tracking and route optimization. The device's high sensitivity and multi-constellation support ensure continuous tracking even in urban canyons, providing accurate location data for logistics and asset management. The UART interface allows easy connection to cellular modules for data transmission. The low power consumption extends battery life in portable tracking devices. The ARM9 processor can run custom algorithms for geofencing and driver behavior analysis. The AEC-Q100 qualification ensures reliability in harsh automotive environments, making it ideal for commercial vehicle fleets.
おすすめ
Personal Tracking Devices
The STA8089GADTR is well-suited for personal tracking devices such as pet trackers, child locators, and wearable GPS units. Its low power consumption (45 mA tracking, <10 uA standby) enables long battery life, critical for portable devices. The compact VFQFPN-56 package allows for small form factor designs. The device supports A-GPS for faster time-to-first-fix in weak signal environments, improving user experience. The I2C and SPI interfaces enable connection to sensors and displays. The integrated ARM9 processor can handle location-based services and communication protocols, reducing the need for an external MCU.
おすすめ
Industrial IoT
In industrial IoT applications, the STA8089GADTR provides precise location data for asset tracking, equipment monitoring, and logistics automation. The device's wide operating temperature range and AEC-Q100 qualification ensure reliable operation in industrial environments. The multi-constellation support improves accuracy in areas with partial sky view, such as warehouses and factories. The UART and SPI interfaces allow integration with industrial controllers and sensors. The low power consumption is suitable for battery-powered IoT nodes. The ARM9 processor can run edge computing tasks, reducing the need for cloud processing and lowering latency.
おすすめ
Telematics and eCall
The STA8089GADTR is ideal for telematics and emergency call (eCall) systems, where reliable positioning is critical for emergency response. The device's high sensitivity and multi-constellation support ensure accurate location even in remote areas. The AEC-Q100 qualification meets automotive safety standards. The integrated ARM9 processor can handle eCall protocols and communication with the vehicle's CAN bus. The low power consumption is important for always-on systems. The device supports A-GPS for fast TTFF, enabling quick location acquisition during emergencies. The VFQFPN-56 package is suitable for integration into telematics control units.
おすすめ
Drones and UAVs
The STA8089GADTR provides accurate positioning for drone navigation and autonomous flight. Its multi-constellation support (GPS, Galileo, GLONASS) ensures reliable positioning in various environments. The low power consumption is critical for extending flight time. The compact package and integrated ARM9 processor reduce system weight and complexity. The device's high sensitivity allows operation in areas with limited satellite visibility, such as near buildings or trees. The UART interface enables connection to flight controllers. The AEC-Q100 qualification ensures reliability in demanding conditions, though drones typically use consumer-grade components.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: STA8089GADTR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | STA8089GAD | STA8089FG | STA8089EXG | NEO-M8N |
|---|---|---|---|---|---|
| Package | VFQFPN-56 | VFQFPN-56 | VFQFPN-56 | VFQFPN-56 | LCC-24 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | u-blox |
| Constellations | GPS, Galileo, GLONASS | GPS, Galileo, GLONASS | GPS, Galileo | GPS, Galileo, GLONASS, SBAS | GPS, GLONASS, Galileo, SBAS |
| Tracking Sensitivity | -162 dBm | -162 dBm | -160 dBm | -162 dBm | -167 dBm |
| Current Consumption | 45 mA | 45 mA | 45 mA | 45 mA | 25 mA |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified | Not qualified |
| Processor Core | ARM9 | ARM9 | ARM9 | ARM9 | None (external MCU required) |
| Price (1pc) | $12.50 | $12.50 | $11.00 | $13.00 | $15.00 |
主な差別化要因
- Integrated ARM9 processor （vs u-blox NEO-M8N)
- AEC-Q100 qualification （vs u-blox NEO-M8N)
- Multi-constellation support with GLONASS （vs STA8089FG)
設計ノート
For optimal RF performance, place the STA8089GADTR on a dedicated ground plane with a 50-ohm impedance-controlled RF trace from the antenna to the RF_IN pin. Keep the trace as short as possible and add a matching network as recommended in the datasheet. Use a low-ESR 10uF capacitor on VCC and a 100nF capacitor on VCC_RF, placed close to the pins.
The STA8089GADTR operates from 1.8V to 3.3V. Use a low-noise LDO to supply the VCC and VCC_RF pins to avoid power supply noise that could degrade GPS sensitivity. The VCC_IO pin should be connected to the same voltage as the interfacing logic (e.g., 3.3V for UART). Ensure adequate decoupling with 10uF and 100nF capacitors on each supply pin.
Do not route high-speed digital signals (UART, SPI, USB) near the RF input trace, as this can introduce noise and reduce sensitivity. Use a 26 MHz crystal with a load capacitance matching the datasheet specification (typically 10pF). The 32.768 kHz RTC crystal is required for timekeeping and should be placed close to the IC. Ensure the antenna has a clear view of the sky for optimal performance.
コンプライアンス情報
RoHS compliant and AEC-Q100 qualified per STMicroelectronics product page. REACH compliance is assumed based on ST's general compliance policy.
