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- Texas Instruments RF Transceiver 76-GHz to 81-GHz
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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