1 Features

FMCW transceiver
- Integrated PLL, transmitter, receiver, baseband, and ADC
- 76- to 81-GHz coverage with 5 GHz available bandwidth
- Four receive channels
- Three transmit channels
- Ultra-accurate chirp engine based on Fractional-N PLL
- TX power: 13 dBm
- RX noise figure: 13 dB
- Phase noise at 1 MHz:
  - –96 dBc/Hz (76 to 77 GHz)
  - –94 dBc/Hz (77 to 81 GHz)
Built-in calibration and self-test
- Built-in firmware (ROM)
- Self-calibrating system across frequency and temperature
Host interface
- Control interface with external processor over SPI or I2C interface
- 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 IEC 61508 functional safety system design up to SIL 3
- Hardware integrity up to SIL-2
- Safety-related certification
  - IEC 61508 certified upto SIL 2 by TUV SUD
IWR2243 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 3.3 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
Junction temperature range of –40°C to 105°C

Figure 1-1 Radar Sensor for Industrial Applications