ZHCSKG9 November   2019 LDC1001-Q1

PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     典型应用 — 轴向距离感测
  4. 修订历史记录
  5. Pin Configuration and Functions
    1.     Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Inductive Sensing
      2. 7.3.2 Measuring Parallel Resonance Impedance and Inductance With LDC1001-Q1
        1. 7.3.2.1 Measuring Inductance
          1. 7.3.2.1.1 Example
    4. 7.4 Device Functional Modes
      1. 7.4.1 INTB Pin Modes
        1. 7.4.1.1 Comparator Mode
        2. 7.4.1.2 Wake-Up Mode
        3. 7.4.1.3 DRDYB Mode
    5. 7.5 Programming
      1. 7.5.1 Digital Interface
        1. 7.5.1.1 SPI Description
        2. 7.5.1.2 Extended SPI Transactions
    6. 7.6 Register Map
      1. 7.6.1 Register Description
        1. 7.6.1.1  Revision ID (offset = 0x00) [reset = 0x80]
          1. Table 2. Revision ID Field Descriptions
        2. 7.6.1.2  Rp_MAX (offset = 0x01) [reset = 0x0E]
          1. Table 3. Rp_MAX Field Descriptions
        3. 7.6.1.3  Rp_MIN (offset = 0x02) [reset = 0x14]
          1. Table 4. Rp_MIN Field Descriptions
        4. 7.6.1.4  Sensor Frequency (offset = 0x03) [reset = 0x45]
          1. Table 5. Sensor Frequency Field Descriptions
        5. 7.6.1.5  LDC Configuration (offset = 0x04) [reset = 0x1B]
          1. Table 6. LDC Configuration Field Descriptions
        6. 7.6.1.6  Clock Configuration (offset = 0x05) [reset = 0x01]
          1. Table 7. Clock Configuration Field Descriptions
        7. 7.6.1.7  Comparator Threshold High LSB (offset = 0x06) [reset = 0xFF]
          1. Table 8. Comparator Threshold High LSB Field Descriptions
        8. 7.6.1.8  Comparator Threshold High MSB (offset = 0x07) [reset = 0xFF]
          1. Table 9. Comparator Threshold High MSB Field Descriptions
        9. 7.6.1.9  Comparator Threshold Low LSB (offset = 0x08) [reset = 0x00]
          1. Table 10. Comparator Threshold Low LSB Field Descriptions
        10. 7.6.1.10 Comparator Threshold Low MSB (offset = 0x09) [reset = 0x00]
          1. Table 11. Comparator Threshold Low MSB Field Descriptions
        11. 7.6.1.11 INTB Pin Configuration (offset = 0x0A) [reset = 0x00]
          1. Table 12. INTB Pin Configuration Field Descriptions
        12. 7.6.1.12 Power Configuration (offset = 0x0B) [reset = 0x00]
          1. Table 13. Power Configuration Field Descriptions
        13. 7.6.1.13 Status (offset = 0x20) [reset = NA]
          1. Table 14. Status Field Descriptions
        14. 7.6.1.14 Proximity Data LSB (offset = 0x21) [reset = NA]
          1. Table 15. Proximity Data LSB Field Descriptions
        15. 7.6.1.15 Proximity Data MSB (offset = 0x22) [reset = NA]
          1. Table 16. Proximity Data MSB Field Descriptions
        16. 7.6.1.16 Frequency Counter LSB (offset = 0x23) [reset = NA]
          1. Table 17. Frequency Counter LSB Field Descriptions
        17. 7.6.1.17 Frequency Counter Mid-Byte (offset = 0x24) [reset = NA]
          1. Table 18. Frequency Counter Mid-Byte Field Descriptions
        18. 7.6.1.18 Frequency Counter MSB (offset = 0x25) [reset = NA]
          1. Table 19. Frequency Counter MSB Field Descriptions
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Calculation of Rp_Min and Rp_Max
        1. 8.1.1.1 Rp_MAX
        2. 8.1.1.2 Rp_MIN
      2. 8.1.2 Output Data Rate
        1. 8.1.2.1 Example
      3. 8.1.3 Selecting a Filter Capacitor (CFA and CFB Pins)
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Sensor and Target
        2. 8.2.2.2 Calculating a Sensor Capacitor
        3. 8.2.2.3 Selecting a Filter Capacitor
        4. 8.2.2.4 Setting Rp_MIN and Rp_MAX
        5. 8.2.2.5 Calculating Minimum Sensor Frequency
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

说明

LDC1001-Q1 器件是一款符合汽车标准的 4.75V 至 5.25V 电感数字转换器,专为测量并联电阻 (Rp) 和电感 (L) 而设计。电感式感应技术可以在汽车和工业应用中精确地测量金属目标的线性或角度 位置。

电感式感应是一种非接触式短程感应技术,即使在存在污垢、灰尘、油和湿气的恶劣环境中,也能够对导电目标进行高分辨率 感应 。

LDC1001-Q1 系统由一个电感式传感器(通常是一个 PCB 线圈)和一个导电目标组成。

LDC1001-Q1 采用 16 引脚 TSSOP 封装,具有多种运行模式。其串行外设接口 (SPI) 简化了与微控制器 (MCU) 的连接方式。

器件信息(1)

器件型号 封装 封装尺寸(标称值)
LDC1001-Q1 TSSOP (16) 5.00mm × 4.40mm
  1. 要了解所有可用封装,请见数据表末尾的可订购米6体育平台手机版_好二三四附录。

典型应用 — 轴向距离感测

LDC1001-Q1 fp_axial_distanse_measuring_slos886.gif