ZHCSDF0C February   2015  – August 2015 TDC7200

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Companion Device
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 LDO
      2. 8.3.2 CLOCK
      3. 8.3.3 Counters
        1. 8.3.3.1 Coarse and Clock Counters Description
        2. 8.3.3.2 Coarse and Clock Counters Overflow
        3. 8.3.3.3 Clock Counter STOP Mask
        4. 8.3.3.4 ENABLE
    4. 8.4 Device Functional Modes
      1. 8.4.1 Calibration
      2. 8.4.2 Measurement Modes
        1. 8.4.2.1 Measurement Mode 1
          1. 8.4.2.1.1 Calculating Time-of-Flight (Measurement Mode 1)
        2. 8.4.2.2 Measurement Mode 2
          1. 8.4.2.2.1 Calculating Time-of-Flight (TOF) (Measurement Mode 2)
      3. 8.4.3 Timeout
      4. 8.4.4 Multi-Cycle Averaging
      5. 8.4.5 START and STOP Edge Polarity
      6. 8.4.6 Measurement Sequence
      7. 8.4.7 Wait Times for TDC7200 Startup
    5. 8.5 Programming
      1. 8.5.1 Serial Peripheral Interface (SPI)
        1. 8.5.1.1 CSB
        2. 8.5.1.2 SCLK
        3. 8.5.1.3 DIN
        4. 8.5.1.4 DOUT
        5. 8.5.1.5 Register Read/Write
        6. 8.5.1.6 Auto Increment Mode
    6. 8.6 Register Maps
      1. 8.6.1  Register Initialization
      2. 8.6.2  CONFIG1: Configuration Register 1 R/W (address = 00h) [reset = 0h]
      3. 8.6.3  CONFIG2: Configuration Register 2 R/W (address = 01h) [reset = 40h]
      4. 8.6.4  INT_STATUS: Interrupt Status Register (address = 02h) [reset = 00h]
      5. 8.6.5  INT_MASK: Interrupt Mask Register R/W (address = 03h) [reset = 07h]
      6. 8.6.6  COARSE_CNTR_OVF_H: Coarse Counter Overflow High Value Register (address = 04h) [reset = FFh]
      7. 8.6.7  COARSE_CNTR_OVF_L: Coarse Counter Overflow Low Value Register (address = 05h) [reset = FFh ]
      8. 8.6.8  CLOCK_CNTR_OVF_H: Clock Counter Overflow High Register (address = 06h) [reset = FFh]
      9. 8.6.9  CLOCK_CNTR_OVF_L: Clock Counter Overflow Low Register (address = 07h) [reset = FFh]
      10. 8.6.10 CLOCK_CNTR_STOP_MASK_H: CLOCK Counter STOP Mask High Value Register (address = 08h) [reset = 00h]
      11. 8.6.11 CLOCK_CNTR_STOP_MASK_L: CLOCK Counter STOP Mask Low Value Register (address = 09h) [reset = 00h]
      12. 8.6.12 TIME1: Time 1 Register (address: 10h) [reset = 00_0000h]
      13. 8.6.13 CLOCK_COUNT1: Clock Count Register (address: 11h) [reset = 00_0000h]
      14. 8.6.14 TIME2: Time 2 Register (address: 12h) [reset = 00_0000h]
      15. 8.6.15 CLOCK_COUNT2: Clock Count Register (address: 13h) [reset = 00_0000h]
      16. 8.6.16 TIME3: Time 3 Register (address: 14h) [reset = 00_0000h]
      17. 8.6.17 CLOCK_COUNT3: Clock Count Registers (address: 15h) [reset = 00_0000h]
      18. 8.6.18 TIME4: Time 4 Register (address: 16h) [reset = 00_0000h]
      19. 8.6.19 CLOCK_COUNT4: Clock Count Register (address: 17h) [reset = 00_0000h]
      20. 8.6.20 TIME5: Time 5 Register (address: 18h) [reset = 00_0000h]
      21. 8.6.21 CLOCK_COUNT5: Clock Count Register (address: 19h) [reset = 00_0000h]
      22. 8.6.22 TIME6: Time 6 Register (address: 1Ah) [reset = 00_0000h]
      23. 8.6.23 CALIBRATION1: Calibration 1 Register (address: 1Bh ) [reset = 00_0000h]
      24. 8.6.24 CALIBRATION2: Calibration 2 Register (address: 1Ch ) [reset = 00_0000h]
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Flow Meter Regulations and Accuracy
        2. 9.2.2.2 Transmit Time in Ultrasonic Flow Meters
        3. 9.2.2.3 ΔTOF Accuracy Requirement Calculation
      3. 9.2.3 Application Curves
    3. 9.3 Post Filtering Recommendations
    4. 9.4 CLOCK Recommendations
      1. 9.4.1 CLOCK Accuracy
      2. 9.4.2 CLOCK Jitter
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 文档支持
      1. 12.1.1 相关文档　
    2. 12.2 社区资源
    3. 12.3 商标
    4. 12.4 静电放电警告
    5. 12.5 Glossary
  13. 13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

6 Pin Configuration and Functions

PW Package
14-Pin TSSOP
Top View
TDC7200 pin diagram v3.png

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
ENABLE 1 Input Enable signal to TDC
TRIGG 2 Output Trigger output signal
START 3 Input START signal to TDC
STOP 4 Input STOP signal to TDC
CLOCK 5 Input Clock Input to TDC
N.C. 6 – Not Connected
GND 7 Ground Ground
INTB 8 Output Interrupt to MCU, active low (open drain)
DOUT 9 Output SPI Data Output
DIN 10 Input SPI Data Input
CSB 11 Input SPI Chip Select, active low
SCLK 12 Input SPI clock
VREG 13 Output LDO Output terminal for external decoupling cap
VDD 14 Power Supply input