ZHCSKL1A December   2019  – May 2022 TUSS4440

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 Transformer 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 Transformer 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
          4. 8.2.1.2.4 Transformer Turns Ratio
          5. 8.2.1.2.5 Transformer Saturation Current and Main Voltage Rating
        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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6.5 Power-Up Characteristics

over operating free-air temperature range, VVPWR, VVDRV and VVDD recommended voltage range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
tPWR_ONTime to power up when SPI communication is possible10ms
VVDRVRegulated voltage on VDRV pin(1)VDRV_VOLTAGE_LEVEL = 0x0; VVPWR > VVDRV + 100 mV4.555.3V
VDRV_VOLTAGE_LEVEL = 0x4; VVPWR > VVDRV + 100 mV8.199.9
VDRV_VOLTAGE_LEVEL = 0x7; VVPWR > VVDRV + 100 mV11.51212.6
VDRV_VOLTAGE_LEVEL = 0x8; VVPWR > VVDRV + 100 mV12.091313.91
VDRV_VOLTAGE_LEVEL = 0xC; VVPWR > VVDRV + 100 mV15.811718.9
VDRV_VOLTAGE_LEVEL = 0xD; VVPWR > VVDRV + 100 mV16.741819.26
VDRV_VOLTAGE_LEVEL = 0xE; VVPWR > VVDRV + 100 mV17.671920.33
VDRV_VOLTAGE_LEVEL = 0xF; VVPWR > VVDRV + 100 mV19.02021.4
IVDRVVDRV capacitor charging currentVDRV_CURRENT_LEVEL = 0x0; VVPWR > VVDRV + 1 V8.51011.5mA
VDRV_CURRENT_LEVEL = 0x1; VVPWR > VVDRV + 1 V172023
(1) Other VDRV voltage levels possible.