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Data Sheet
IWR1843 Single-Chip
76 to 81GHz FMCW mmWave 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
- 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, and interface control
- Supports autonomous mode (loading user application from QSPI flash memory)
- Integrated peripherals
- Internal memories With ECC
- Host interface
- 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
- Functional Safety-Compliant
- Developed for functional
safety applications
- Documentation available
to aid IEC 61508 functional safety system design up to SIL 3
- Hardware integrity up to
SIL-2
- Safety-related
certification
- 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 3.3V/1.8V
- 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 × 10.4mmflip chip BGA package for easy
assembly and low-cost PCB design
- Small solution size
- Operating Conditions
- Junction temp range:
–40°C to 125°C
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