AWR1642 Datasheet, PDF (1/84 Pages) Texas Instruments – Single-Chip 77- and 79-GHz FMCW Radar Sensor

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AWR1642
SWRS203 – MAY 2017
AWR1642 Single-Chip 77- and 79-GHz FMCW Radar Sensor
1 Device Overview
1.1 Features
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• FMCW Transceiver
– Integrated PLL, Transmitter, Receiver,
Baseband, and A2D
– 76- to 81-GHz Coverage With 4 GHz Available
Bandwidth
– Four Receive Channels
– Two Transmit Channels
– Ultra-Accurate Chirp (Timing) Engine Based on
Fractional-N PLL
– TX Power: 12 dBm
– RX Noise Figure:
– 15 dB (76 to 77 GHz)
– 16 dB (77 to 81 GHz)
– Phase Noise at 1 MHz:
– –94 dBc/Hz (76 to 77 GHz)
– –91 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 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 (Two Instances, One Being CAN-FD)
1.2 Applications
• Blind Spot Detection
• Lane Change Assistance
• Cross Traffic Alert
• Parking Assistance
• 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
• ASIL B Capable
• AECQ100 Qualified
• AWR1642 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
– 40.0-MHz Crystal With Internal Oscillator
– Supports External Oscillator at 40 and 50 MHz
– Supports Externally Driven Clock (Square/Sine)
at 40 and 50 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
• Supports Automotive Temperature Operating
Range
• Occupancy Detection
• Simple Gesture Recognition
• Car Door Opener Applications
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to
change without notice.