ZHCSKL2A December   2019  – May 2022 TUSS4470

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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  Power-Up Characteristics
    6. 6.6  Transducer Drive
    7. 6.7  Receiver Characteristics
    8. 6.8  Echo Interrupt Comparator Characteristics
    9. 6.9  Digital I/O Characteristics
    10. 6.10 Switching Characteristics
    11. 6.11 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Excitation Power Supply (VDRV)
      2. 7.3.2 Burst Generation
        1. 7.3.2.1 Burst Generation Diagnostics
      3. 7.3.3 Direct Transducer Drive
      4. 7.3.4 Analog Front End
    4. 7.4 Device Functional Modes
    5. 7.5 Programming
    6. 7.6 Register Maps
      1. 7.6.1 REG_USER Registers
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Transducer Drive Configuration Options
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Transducer Driving Voltage
          2. 8.2.1.2.2 Transducer Driving Frequency
          3. 8.2.1.2.3 Transducer Pulse Count
        3. 8.2.1.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 术语表
  12. 12Mechanical, Packaging, and Orderable Information

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6.8 Echo Interrupt Comparator Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
VOUT_SCALE_SEL = 0x0
VECMP_THR_0Echo interrupt comparator threshold(1)ECHO_INT_THR_SEL = 0x00.370.40.43V
ECHO_INT_THR_SEL = 0x50.560.60.64
ECHO_INT_THR_SEL = 0xA0.750.80.85
ECHO_INT_THR_SEL = 0xF0.9411.06
VECMP_HYS_0Echo interrupt comparator hysteresis768mV
VOUT_SCALE_SEL = 0x1
VE_CMP_THR_1Echo interrupt comparator threshold(1)ECHO_INT_THR_SEL = 0x00.560.60.64V
ECHO_INT_THR_SEL = 0x50.840.90.96
ECHO_INT_THR_SEL = 0xA1.131.21.27
ECHO_INT_THR_SEL = 0xF1.411.51.59
VECMP_HYS_1Echo interrupt output threshold level hysteresis768mV
(1) Other thresholds possible.
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