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DATA SHEET
IWR1642 Single-Chip 76- to 81-GHz mmWave Sensor
1 Device Overview
1.1 Features
- FMCW Transceiver
- Integrated PLL, Transmitter, Receiver, Baseband, and A2D
- 76- to 81-GHz Coverage With 4-GHz Continuous Bandwidth
- Four Receive Channels
- Two Transmit Channels
- Ultra-Accurate Chirp (Timing) Engine Based on Fractional-N PLL
- TX Power: 12.5 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 (Monitoring)
- ARM®Cortex®-R4F-Based Radio Control System
- Built-in Firmware (ROM)
- Self-calibrating System Across Frequency and Temperature
- C674x DSP for FMCW Signal Processing
- On-Chip Memory: 1.5MB
- Cortex-R4F Microcontroller for Object Tracking, Classification, and Interface Control
- Supports Autonomous Mode (Loading User Application from QSPI Flash Memory)
- Internal Memories With ECC
- Integrated Peripherals
- Up to 6 ADC Channels
- Up to 2 SPI Channels
- Up to 2 UARTs
- CAN Interface
- I2C
- GPIOs
- 2-Lane LVDS Interface for Raw ADC Data and Debug Instrumentation
- IWR1642 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 External Oscillator at 40 MHz
- 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 105°C
1.2 Applications
- Industrial Sensor for Measuring Range, Velocity, and Angle
- Tank Level Probing Radar
- Displacement Sensing
- Field Transmitters
- Traffic Monitoring
- Proximity Sensing
- Security and Surveillance
- Factory Automation Safety Guards
- People Counting
- Motion Detection
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