AWR1843 Single-Chip 77 to 79GHz FMCW Radar Sensor

1 Features

FMCW transceiver
- Integrated PLL, transmitter, receiver, Baseband, and ADC
- 76 to 81GHz coverage with 4GHz available bandwidth
- Four receive channels
- Three transmit channels
- Ultra-accurate chirp engine based on fractional-N PLL
- TX power: 12dBm
- RX noise figure:
  - 14dB (76 to 77GHz)
  - 15dB (77 to 81GHz)
- Phase noise at 1MHz:
  - –95dBc/Hz (76 to 77GHz)
  - –93dBc/Hz (77 to 81GHz)
Built-in calibration and self-test (monitoring)
- Arm®Cortex®-R4F-based radio control system
- Built-in firmware (ROM)
- Self-calibrating system across process and temperature
C674x DSP for FMCW signal processing
On-chip Memory: 2MB
Cortex-R4F microcontroller for object tracking and classification, AUTOSAR, and interface control
- Supports autonomous mode (loading user application from QSPI flash memory)
Integrated peripherals
- Internal memories With ECC
Host interface
- CAN and CAN-FD
Other interfaces available to user application
- Up to 6 ADC channels
- Up to 2 SPI channels
- Up to 2 UARTs
- I²C
- GPIOs
- 2-lane LVDS interface for raw ADC data and debug instrumentation
Device Security (on select part numbers)
- Secure authenticated and encrypted boot support
- Customer programmable root keys, symmetric keys (256 bit), Asymmetric keys (up to RSA-2K) with Key revocation capability
- Crypto software accelerators - PKA , AES (up to 256 bit), SHA (up to 256 bit), TRNG/DRGB
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
- Programmable phase rotators in transmit path to enable beam forming
Power management
- Built-in LDO network for enhanced PSRR
- I/Os support dual voltage 3.3 V/1.8 V
Clock source
- Supports external oscillator at 40MHz
- 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 × 10.4 mmflip chip BGA package for easy assembly and low-cost PCB design
- Small solution size
Operating Conditions
- Junction temp range: –40°C to 125°C