AWR1243 Single-Chip 77- and 79-GHz FMCW Transceiver

1 Features

FMCW transceiver
- Integrated PLL, transmitter, receiver, Baseband, and ADC
- 76- to 81-GHz coverage with 4 GHz available bandwidth
- Four receive channels
- Three transmit channels (two can be used simultaneously)
- Ultra-accurate chirp engine based on fractional-N PLL
- TX power: 12 dBm
- RX noise figure:
  - 14 dB (76 to 77 GHz)
  - 15 dB (77 to 81 GHz)
- Phase noise at 1 MHz:
  - –95 dBc/Hz (76 to 77 GHz)
  - –93 dBc/Hz (77 to 81 GHz)
Built-in calibration and self-test
- Built-in firmware (ROM)
- Self-calibrating system across process and temperature
Host interface
- Control interface with external processor over SPI
- Data interface with external processor over MIPI D-PHY and CSI2 V1.1
- Interrupts for fault reporting
Functional Safety-Compliant
- Developed for functional safety applications
- Documentation available to aid ISO 26262 functional safety system design up to ASIL-D
- Hardware integrity up to ASIL-B
- Safety-related certification
  - ISO 26262 certified upto ASIL B by TUV SUD
AEC-Q100 qualified
Device advanced features
- Embedded self-monitoring with no host processor involvement
- Complex baseband architecture
- Embedded interference detection capability
Power management
- Built-in LDO network for enhanced PSRR
- I/Os support dual voltage 3.3 V/1.8 V
Clock source
- Supports externally driven clock (square/sine) at 40 MHz
- Supports 40 MHz crystal connection with load capacitors
Easy hardware design
- 0.65-mm pitch, 161-pin 10.4 mm × 10.4 mm flip chip BGA package for easy assembly and low-cost PCB design
- Small solution size
Operating Conditions
- Junction temp range: –40°C to 125°C

2 Applications

Figure 2-1 Autonomous Radar Sensor For Automotive Applications