AWR1243 Datasheet, PDF (1/48 Pages) Texas Instruments – Single-Chip 77- and 79-GHz FMCW Transceiver

Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
AWR1243 Single-Chip 77- and 79-GHz FMCW Transceiver
AWR1243
SWRS188 – MAY 2017
1 Device Overview
1.1 Features
1
• FMCW Transceiver
– Integrated PLL, Transmitter, Receiver,
Baseband, and A2D
– 76- to 81-GHz Coverage With 4 GHz Available
Bandwidth
– Four Receive Channels
– Three Transmit Channels (Two Can be Used
Simultaneously)
– Ultra-Accurate Chirp 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
– Built-in Firmware (ROM)
– Self-calibrating System Across Frequency and
Temperature
• Host Interface
– Control Interface With External Processor Over
SPI
– Data Interface With External Processor Over
MIPI D-PHY and CSI2 V1.1
– Interrupts for Fault Reporting
1.2 Applications
• Automated Highway Driving
• Automatic Emergency Braking
• ASIL B Capable
• AECQ100 Qualified
• AWR1243 Advanced Features
– Embedded Self-monitoring With No 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
– 40.0-MHz Crystal With Internal Oscillator
– Supports External Oscillator 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
• Adaptive Cruise Control
Crystal
Power Management
Antenna
Structure
RX3
RX4
RX1
RX2
TX1
TX2
TX3
AWR1243
SPI
CSI2 (4 Lane Data + 1 Clock lane)
Reset
Error
MCU Clock
External
MCU
(For Example
TDA3x)
Automotive
Interface PHY
Copyright © 2017, Texas Instruments Incorporated
Figure 1-1. Radar Sensor for Automotive Applications
1
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.