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  • AWR1243 单芯片 77GHz 和 79GHz FMCW 收发器

    • ZHCSHS1D May   2017  – December 2021 AWR1243

      PRODUCTION DATA  

  • CONTENTS
  • SEARCH
  • AWR1243 单芯片 77GHz 和 79GHz FMCW 收发器
  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Functional Block Diagram
  5. 5 Revision History
  6. 6 Device Comparison
    1. 6.1 Related Products
  7. 7 Terminal Configuration and Functions
    1. 7.1 Pin Diagram
    2. 7.2 Signal Descriptions
      1. 7.2.1 Signal Descriptions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Power-On Hours (POH)
    4. 8.4 Recommended Operating Conditions
    5. 8.5 Power Supply Specifications
    6. 8.6 Power Consumption Summary
    7. 8.7 RF Specification
    8. 8.8 Thermal Resistance Characteristics for FCBGA Package [ABL0161]
    9. 8.9 Timing and Switching Characteristics
      1. 8.9.1 Power Supply Sequencing and Reset Timing
      2. 8.9.2 Synchronized Frame Triggering
      3. 8.9.3 Input Clocks and Oscillators
        1. 8.9.3.1 Clock Specifications
      4. 8.9.4 Multibuffered / Standard Serial Peripheral Interface (MibSPI)
        1. 8.9.4.1 Peripheral Description
          1. 8.9.4.1.1 SPI Timing Conditions
          2. 8.9.4.1.2 SPI Peripheral Mode Switching Parameters (SPICLK = input, SPISIMO = input, and SPISOMI = output)
          3. 8.9.4.1.3 SPI Peripheral Mode Timing Requirements (SPICLK = input, SPISIMO = input, and SPISOMI = output)
        2. 8.9.4.2 Typical Interface Protocol Diagram (Peripheral Mode)
      5. 8.9.5 LVDS Interface Configuration
        1. 8.9.5.1 LVDS Interface Timings
      6. 8.9.6 General-Purpose Input/Output
        1. 8.9.6.1 Switching Characteristics for Output Timing versus Load Capacitance (CL)
      7. 8.9.7 Camera Serial Interface (CSI)
        1. 8.9.7.1 CSI Switching Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Subsystems
      1. 9.3.1 RF and Analog Subsystem
        1. 9.3.1.1 Clock Subsystem
        2. 9.3.1.2 Transmit Subsystem
        3. 9.3.1.3 Receive Subsystem
      2. 9.3.2 Host Interface
    4. 9.4 Other Subsystems
      1. 9.4.1 ADC Data Format Over CSI2 Interface
  10. 10Monitoring and Diagnostics
    1. 10.1 Monitoring and Diagnostic Mechanisms
  11. 11Applications, Implementation, and Layout
    1. 11.1 Application Information
    2. 11.2 Short-, Medium-, and Long-Range Radar
    3. 11.3 Reference Schematic
  12. 12Device and Documentation Support
    1. 12.1 Device Nomenclature
    2. 12.2 Tools and Software
    3. 12.3 Documentation Support
    4. 12.4 支持资源
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 术语表
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Packaging Information
    2. 13.2 Tray Information for
  14. 重要声明
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DATA SHEET

AWR1243 单芯片 77GHz 和 79GHz FMCW 收发器

本资源的原文使用英文撰写。 为方便起见，TI 提供了译文；由于翻译过程中可能使用了自动化工具，TI 不保证译文的准确性。 为确认准确性，请务必访问 ti.com 参考最新的英文版本（控制文档）。

1 特性

  • FMCW 收发器
    • 集成 PLL、发送器、接收器、基带和 ADC
    • 76GHz 至 81GHz 的覆盖范围，具有 4GHz 的可用带宽
    • 四个接收通道
    • 三个发送通道（可以同时使用两个通道）
    • 基于分数 N PLL 的超精确线性调频脉冲引擎
    • TX 功率：12dBm
    • RX 噪声系数：
      • 14dB（76 至 77GHz）
      • 15dB（77 至 81GHz）
    • 1MHz 时的相位噪声：
      • –95dBc/Hz（76 至 77GHz）
      • –93dBc/Hz（77 至 81GHz）
  • 内置校准和自检
    • 内置固件 (ROM)
    • 针对工艺和温度进行自校准的系统
  • 主机接口
    • 通过 SPI 与外部处理器进行控制连接
    • 通过 MIPI D-PHY 和 CSI2 V1.1 与外部处理器进行数据连接
    • 用于故障报告的中断
  • 符合功能安全标准
    • 专为功能安全应用开发
    • 文档有助于使 ISO 26262 功能安全系统设计满足 ASIL-D 级要求
    • 硬件完整性高达 ASIL-B 级
    • 安全相关认证
      • 经 TUV SUD 进行 ISO 26262 认证达到 ASIL B 级
  • 符合 AEC-Q100 标准
  • 器件高级特性
    • 嵌入式自监控，无需使用主机处理器
    • 复基带架构
    • 嵌入式干扰检测功能
  • 电源管理
    • 内置 LDO 网络，可增强 PSRR
    • I/O 支持双电压 3.3V/1.8V
  • 时钟源
    • 支持外部驱动、频率为 40MHz 的时钟（方波/正弦波）
    • 支持 40MHz 晶体与负载电容器相连接
  • 轻松的硬件设计
    • 0.65mm 间距、161 引脚 10.4mm × 10.4mm 覆晶 BGA 封装，可实现轻松组装和低成本 PCB 设计
    • 小尺寸解决方案
  • 运行条件
    • 结温范围：–40°C 至 125°C

2 应用

  • 用于测量距离、速度和角度的汽车传感器
  • 自动公路驾驶
  • 自动紧急刹车
  • 自适应巡航控制
GUID-20210127-CA0I-6WPF-FPSV-HRHLQWMZQG2H-low.gif 图 2-1 适用于汽车应用的自主雷达传感器

3 说明

AWR1243 器件是一款能够在 76 至 81GHz 频带内运行的集成式单芯片 FMCW 收发器。该器件在极小的封装中实现了出色的集成度。AWR1243 是适用于汽车领域中的低功耗、自监控、超精确雷达系统的理想解决方案。

AWR1243 器件是一种自包含 FMCW 收发器单芯片解决方案，能够简化 76 至 81GHz 频带中的汽车雷达传感器实施。它基于 TI 的低功耗 45nm RFCMOS 工艺构建，从而实现了一个具有内置 PLL 和 ADC 转换器的单片实施 3TX、4RX 系统。简单编程模型更改可支持各种传感器实施（近距离、中距离和远距离），并且能够进行动态重新配置，从而实现多模式传感器。此外，该器件作为完整的平台解决方案进行提供，其中包括 TI 参考设计、软件驱动程序、示例配置、API 指南以及用户文档。

器件信息
器件型号(2) 封装(1) 封装尺寸 托盘/卷带包装
AWR1243FBIGABLQ1 FCBGA (161) 10.4mm × 10.4mm 托盘
AWR1243FBIGABLRQ1 卷带包装
(1) 如需更多信息，请参阅Section 13机械、封装和可订购信息。
(2) 如需更多信息，请参阅Section 12.1，器件命名规则。

4 Functional Block Diagram

Figure 4-1 shows the functional block diagram of the device.

GUID-0BE6F117-AB4A-40B8-BA50-C98ACC01E2C7-low.gif
A. Phase Shift Control:
  • 0° / 180° BPM for AWR1243
B. Internal temperature sensor accuracy is ± 7 °C.
Figure 4-1 Functional Block Diagram

5 Revision History

Changes from May 1, 2020 to December 8, 2021 (from Revision C (May 2020) to Revision D (December 2021))

  • Section 1（特性）：将 RX 噪声系数值从“14dB”更新/更改为“12dB”Go
  • （特性）：将 1MHz 时的相位噪声值从“–92dBc/Hz”更新/更改为“–93dBc/Hz”Go
  • 通篇：进行了更新，以反映功能安全合规性及相关认证资料Go
  • 通篇：将“A2D”替换为“ADC”；将“主子系统”和“主 R4F”更改为“主要子系统”和“主要 R4F”；在主/从术语方面改用了更具包容性的措辞Go
  • （特性）：提及了毫米波传感器的额定工作温度范围Go
  • （应用）：修订了图示并更新了应用链接Go
  • （器件信息）：从表格中删除了可订购的预量产器件型号 (XA1243FPBGABL) 及其相关特性Go
  • Updated/Changed Functional Block Diagram to remove XA1243FPBGABL OPN specific features.Go
  • (Device Comparison) : Removed a row on Functionaly-Safety compliance and instead added a table-note for this and LVDS Interface; modified the existing table-note on simultaneous TX operation; Additional information on Device security added.Go
  • (Device Comparison) : Updated/Changed RF Specification Receiver from "Max real sampling rate (Msps)" to "Max real/complex 2x sampling rate (Msps)"; and "Max complex sampling rate (Msps)" to "Max complex 1x sampling rate (Msps)"Go
  • Section 7.2.1 (Signal Descriptions): Updated/Changed the default pull from "Open Drain" to " —"Go
  • (Signal Descriptions): Removed XA1243FPBGABL OPN specific pin functions; updated descriptions for CLKP and CLKM pins for Reference OscillatorGo
  • (Absolute Maximum Ratings): Added entries for externally supplied power on the RF inputs (TX and RX) and a table-note for the signal level applied on TX.Go
  • (Power Supply Specifications): Updated/Changed footnote in Table 8-1 Go
  • (Maximum Current Rating at Power Terminals): Updated footnotes section to add estimation assumption for VIOIN railGo
  • (Average Power Consumption at Power Terminals): Removed 3TX, 4RX power numbers since only 2TX are operational simultaneously in the deviceGo
  • (RF Specification): Updated/Changed RF Specification Receiver from "A2D sampling rate (complex)" to "ADC sampling rate (complex 1x)"; and "A2D sampling rate (real)" to "ADC sampling rate (real/complex 2x)"Go
  • (RF Specification): Updated/Changed the table to remove XA1243FPBGABL specific featuresGo
  • (Synchronized Frame Triggering): Updated the maximum pulse width to 4nsGo
  • (Clock Specifications): Updated/Changed Table 8-6 to reflect correct device operating temperature range.Go
  • (Table. External Clock Mode Specifications): Revised frequency tolerance specs from +/-50 to +/-100 ppmGo
  • (Switching Characteristics for Output Timing versus Load Capacitance): Updated/Modified the table to remove Slew Rate = 1 condition; removed a footnoteGo
  • Figure 9-1: Updated the figure to remove XA1243FPBGABL OPN specific features. Go
  • Transmit Subsystem (Per Channel): Removed the mention of AWR1243P altogether and hence programmable phase shifters as well.Go
  • (Monitoring and Diagnostic Mechanisms): Added a new sectionGo
  • (Reference Schematics) : Added weblinks to AWR1243 EVM documentation collateral Go
  • (Device Nomenclature):Updated/changed Device Nomenclature Go

6 Device Comparison

FUNCTIONAWR1243(1)AWR1443AWR1642AWR1843
Number of receivers4444
Number of transmitters3323
On-chip memory—576KB1.5MB2MB
Max I/F (Intermediate Frequency) (MHz)155510
Max real/complex 2x sampling rate (Msps)37.512.512.525
Max complex 1x sampling rate (Msps)18.756.256.2512.5
Device Security(2) — — Yes Yes
Processor
MCU (R4F)—YesYesYes
DSP (C674x)——YesYes
Peripherals
Serial Peripheral Interface (SPI) ports1122
Quad Serial Peripheral Interface (QSPI)—YesYesYes
Inter-Integrated Circuit (I2C) interface—111
Controller Area Network (DCAN) interface—YesYesYes
CAN-FD——YesYes
Trace——YesYes
PWM——YesYes
Hardware In Loop (HIL/DMM)——YesYes
GPADC—YesYesYes
LVDS/Debug(3)YesYesYesYes
CSI2Yes———
Hardware accelerator—Yes—Yes
1-V bypass modeYesYesYesYes
Cascade (20-GHz sync)————
JTAG—YesYesYes
Number of Tx that can be simultaneously used2223(4)
Per chirp configurable Tx phase shifter———Yes
Product status(5)PRODUCT PREVIEW (PP),
ADVANCE INFORMATION (AI),
or PRODUCTION DATA (PD)		PDPDPDPD
(1) Developed for Functional Safety applications, the device supports hardware integrity upto ASIL-B. Refer to the related documentation for more details.
(2) Device security features including Secure Boot and Customer Programmable Keys are available in select devices for only select part variants as indicated by the Device Type identifier in Section 3, Device Information table.
(3) The LVDS interface is not a production interface and is only used for debug.
(4) 3 Tx Simultaneous operation is supported only in AWR1843 with 1V LDO bypass and PA LDO disable mode. In this mode 1V supply needs to be fed on the VOUT PA pin. Rest of the other devices only support simultaneous operation of 2 Transmitters.
(5) PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

6.1 Related Products

For information about other devices in this family of products or related products see the links that follow.

    mmWave SensorsTI’s mmWave sensors rapidly and accurately sense range, angle and velocity with less power using the smallest footprint mmWave sensor portfolio for automotive applications.
    Automotive mmWave SensorsTI’s automotive mmWave sensor portfolio offers high-performance radar front end to ultra-high resolution, small and low-power single-chip radar solutions. TI’s scalable sensor portfolio enables design and development of ADAS system solution for every performance, application and sensor configuration ranging from comfort functions to safety functions in all vehicles.
    Companion Products for AWR1243Review products that are frequently purchased or used in conjunction with this product.

7 Terminal Configuration and Functions

 
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