STA8089GAD

RF Receivers Overview

The STA8089GAD is a fully integrated GNSS positioning receiver from STMicroelectronics, designed for automotive applications. It supports GPS, Galileo, GLONASS, BeiDou, and QZSS constellations with 48 tracking channels and 2 fast acquisition channels. The device features an embedded RF front-end, low noise amplifier, and ARM946 MCU operating up to 196 MHz. Key electrical parameters include a sensitivity of -162 dBm in tracking mode, a data rate of 12 Mbps, and supply voltages ranging from 1.08 V to 1.32 V for digital logic. It operates within a temperature range of -40°C to +85°C and is housed in a 56-VFQFPN (7x7 mm) package.

RF Receivers Feature Summary

• Supports multiple global navigation satellite systems including GPS, Galileo, GLONASS, BeiDou, and QZSS.
• Integrates an ARM946 MCU with embedded SRAM and external flash interface for complex processing.
• Provides comprehensive connectivity interfaces including USB 2.0, I2C, SPI, UART, and CAN.
• Includes dead reckoning firmware support for continuous positioning during signal loss.

RF Receivers Applications

• In-dash navigation systems
• OEM telematics units
• Automotive fleet management
• Advanced driver assistance systems

RF Receivers Procurement Notes

Verify the specific suffix 'D' indicates the tape and reel packaging variant compared to tray options. Confirm AEC-Q100 qualification status aligns with project requirements. Ensure compatibility with the required GNSS firmware version for dead reckoning functionality. Check lead times due to potential long manufacturing cycles. Validate voltage regulator specifications against system power design.

RF Receivers Selection Notes

Select this component for applications requiring multi-constellation support and high integration levels. The embedded MCU reduces external component count compared to discrete solutions. Consider the VFQFPN package size for space-constrained PCB layouts. Evaluate the need for dead reckoning capabilities if indoor or urban canyon performance is critical. Ensure the system can accommodate the specified voltage domains and interface protocols.

RF Receivers Part Context

The STA8089GAD belongs to the Teseo III family of positioning receivers. It is pin-to-pin compatible with the STA8088GA, facilitating design upgrades. The device is part of ST's automotive-grade product range, emphasizing zero defect per million targets. It combines RF reception with baseband processing and microcontroller functions on a single die.

RF Receivers Replacement Considerations

The STA8089GA is a pin-compatible alternative, though packaging may differ. Verify firmware compatibility when substituting between variants. Ensure the replacement part meets the same AEC-Q100 automotive qualification standards. Check if the specific tracking channel count and sensitivity meet application requirements.