Texas Instruments RF Transceiver 76-GHz to 81-GHz

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Texas Instruments AWR2243 FMCW Transceivers is a self-contained, single-chip solution that simplifies the implementation of Automotive Radar sensors in the band of 76 to 81GHz. The AWR2243 offers unprecedented levels of integration in a minimal form factor. The AWR2243 FMCW Transceivers are ideal for low power, self-monitored, ultra-accurate radar systems in the automotive space.

The TI AWR2243 FMCW Transceivers are based on TI’s low-power 45nm RFCMOS process, enabling a monolithic implementation of a 3TX, 4RX system with built-in PLL and A2D converters. Simple programming model changes can allow a wide variety of sensor implementation (short, mid, long) with the possibility of dynamic reconfiguration for enabling a multimode sensor. The AWR2243 Transceivers are provided as a complete platform solution, including reference hardware design, software drivers, sample configurations, an API guide, and user documentation.

  • FMCW transceiver
    • Integrated PLL, transmitter, receiver, baseband, and A2D
    • 76 to 81GHz coverage with 5GHz available bandwidth
    • Four receive channels
    • Three transmit channels
    • Ultra-accurate chirp engine based on Fractional-N PLL
    • 13dBm TX power
    • 12dB RX noise figure
  • Phase noise at 1MHz:
    • -96dBc/Hz (76 to 77GHz)
    • -94dBc/Hz (77 to 81GHz)
  • Host interface
    • Control interface with an external processor over SPI or I2C interface
    • Data interface with an external processor over MIPI D-PHY and CSI2 v1.1
    • Interrupts for Fault Reporting
  • Functional Safety-Compliant targeted
    • Developed for functional safety applications
    • Documentation is available to aid the ISO 26262 functional safety system design
    • Hardware integrity up to ASIL B targeted
  • Safety-related certification
    • ISO 26262 certification by TUV Sud planned
  • AEC-Q100 qualified
  • AWR2243 advanced features
    • Embedded self-monitoring with limited Host processor involvement
    • Complex baseband architecture
    • Option of cascading multiple devices to increase channel count
    • Embedded interference detection capability
  • Power management
    • Built-in LDO Network for enhanced PSRR
    • I/Os support dual voltage 3.3V/1.8V
  • Clock source
    • Supports externally driven clock (square/sine) at 40MHz
    • Supports 40MHz crystal connection with load capacitors
  • Easy hardware design
    • 0.65mm pitch, 161-pin 10.4mm × 10.4mm flip-chip BGA package for easy assembly and low-cost PCB design
    • Small solution size
  • Supports automotive temperature operating range
  • Built-in calibration and self-test
    • Built-in firmware (ROM)
    • Self-calibrating system across frequency and temperature

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