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DATA SHEET
IWR6843, IWR6443 Single-Chip 60- to 64-GHz mmWave Sensor
1 Features
- FMCW transceiver
- Integrated PLL, transmitter, receiver, Baseband,
and ADC
- 60- to 64-GHz coverage with 4-GHz continuous bandwidth
- Four receive channels
- Three transmit channels
- Supports 6-bit phase shifter for TX Beam forming
- Ultra-accurate chirp engine based on fractional-N PLL
- TX power: 12 dBm
- RX noise figure:
-
Phase noise at 1 MHz:
- Built-in calibration and self-test
-
Arm®Cortex®-R4F-based radio control system
- Built-in firmware (ROM)
- Self-calibrating system across frequency and temperature
- Embedded self-monitoring with no
host processor involvement on Functional Safety-Compliant devices
- C674x DSP for advanced signal processing (IWR6843 only)
- Hardware accelerator for FFT, filtering, and CFAR processing
- Memory compression
- Arm-R4F
microcontroller for object detection, and interface control
- Supports autonomous mode (loading
user application from QSPI flash memory)
- Internal memory with ECC
- IWR6843: 1.75 MB, divided into MSS program RAM (512 KB), MSS data RAM (192 KB), DSP L1 RAM (64KB) and L2 RAM (256 KB), and L3 radar data cube RAM (768 KB)
- IWR6443: 1.4 MB, divided into MSS program RAM
(512 KB), MSS data RAM (192 KB), and L3 radar data cube RAM (768
KB)
- Technical reference manual includes allowed size modifications
- Other interfaces available to
user application
- Up to 6 ADC channels (low sample rate
monitoring)
- Up to 2 SPI ports
- Up to 2 UARTs
- 1
CAN-FD interface
- 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
- Non-Functional safety variants also available
- Power management
- Built-in LDO network for enhanced PSRR
- I/Os support dual voltage 3.3 V/1.8 V
- Clock source
- 40.0 MHz crystal with internal oscillator
- Supports external oscillator at 40 MHz
- Supports externally driven clock (square/sine) at 40 MHz
- 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 temperature range of –40°C to 105°C
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