SNAS686 May   2016 TDC7201

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 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 LDO
      2. 7.3.2 CLOCK
      3. 7.3.3 Counters
        1. 7.3.3.1 Coarse and Clock Counters Description
        2. 7.3.3.2 Coarse and Clock Counters Overflow
        3. 7.3.3.3 Clock Counter STOP Mask
        4. 7.3.3.4 ENABLE
    4. 7.4 Device Functional Modes
      1. 7.4.1 Calibration
      2. 7.4.2 Measurement Modes
        1. 7.4.2.1 Measurement Mode 1
          1. 7.4.2.1.1 Calculating Time-of-Flight (Measurement Mode 1)
        2. 7.4.2.2 Measurement Mode 2
          1. 7.4.2.2.1 Calculating Time-of-Flight (TOF) (Measurement Mode 2)
      3. 7.4.3 Timeout
      4. 7.4.4 Multi-Cycle Averaging
      5. 7.4.5 START and STOP Edge Polarity
      6. 7.4.6 Measurement Sequence
      7. 7.4.7 Wait Times for TDC7201 Startup
    5. 7.5 Programming
      1. 7.5.1 Serial Peripheral Interface (SPI)
        1. 7.5.1.1 CSBx
        2. 7.5.1.2 SCLK
        3. 7.5.1.3 DIN
        4. 7.5.1.4 DOUTx
        5. 7.5.1.5 Register Read/Write
        6. 7.5.1.6 Auto Increment Mode
    6. 7.6 Register Maps
      1. 7.6.1  Register Initialization
      2. 7.6.2  TDCx_CONFIG1: TDCx Configuration Register 1 R/W (address = 00h, CSBx asserted) [reset = 0h]
      3. 7.6.3  TDCx_CONFIG2: TDCx Configuration Register 2 R/W (address = 01h, CSBx asserted) [reset = 40h]
      4. 7.6.4  TDCx_INT_STATUS: Interrupt Status Register (address = 02h, CSBx asserted) [reset = 00h]
      5. 7.6.5  TDCx_INT_MASK: TDCx Interrupt Mask Register R/W (address = 03h, CSBx asserted) [reset = 07h]
      6. 7.6.6  TDCx_COARSE_CNTR_OVF_H: Coarse Counter Overflow High Value Register (address = 04h, CSBx asserted) [reset = FFh]
      7. 7.6.7  TDCx_COARSE_CNTR_OVF_L: TDCx Coarse Counter Overflow Low Value Register (address = 05h, CSBx asserted) [reset = FFh ]
      8. 7.6.8  TDCx_CLOCK_CNTR_OVF_H: Clock Counter Overflow High Register (address = 06h, CSBx asserted) [reset = FFh]
      9. 7.6.9  TDCx_CLOCK_CNTR_OVF_L: Clock Counter Overflow Low Register (address = 07h, CSBx asserted) [reset = FFh]
      10. 7.6.10 TDCx_CLOCK_CNTR_STOP_MASK_H: CLOCK Counter STOP Mask High Value Register (address = 08h, CSBx asserted) [reset = 00h]
      11. 7.6.11 TDCx_CLOCK_CNTR_STOP_MASK_L: CLOCK Counter STOP Mask Low Value Register (address = 09h, CSBx asserted) [reset = 00h]
      12. 7.6.12 TDCx_TIME1: Time 1 Register (address: 10h, CSBx asserted) [reset = 00_0000h]
      13. 7.6.13 TDCx_CLOCK_COUNT1: Clock Count Register (address: 11h, CSBx asserted) [reset = 00_0000h]
      14. 7.6.14 TDCx_TIME2: Time 2 Register (address: 12h, CSBx asserted) [reset = 00_0000h]
      15. 7.6.15 TDCx_CLOCK_COUNT2: Clock Count Register (address: 13h, CSBx asserted) [reset = 00_0000h]
      16. 7.6.16 TDCx_TIME3: Time 3 Register (address: 14h, CSBx asserted) [reset = 00_0000h]
      17. 7.6.17 TDCx_CLOCK_COUNT3: Clock Count Registers (address: 15h, CSBx asserted) [reset = 00_0000h]
      18. 7.6.18 TDCx_TIME4: Time 4 Register (address: 16h, CSBx asserted) [reset = 00_0000h]
      19. 7.6.19 TDCx_CLOCK_COUNT4: Clock Count Register (address: 17h, CSBx asserted) [reset = 00_0000h]
      20. 7.6.20 TDCx_TIME5: Time 5 Register (address: 18h, CSBx asserted) [reset = 00_0000h]
      21. 7.6.21 TDCx_CLOCK_COUNT5: Clock Count Register (address: 19h, CSBx asserted) [reset = 00_0000h]
      22. 7.6.22 TDCx_TIME6: Time 6 Register (address: 1Ah, CSBx asserted) [reset = 00_0000h]
      23. 7.6.23 TDCx_CALIBRATION1: Calibration 1 Register (address: 1Bh, CSBx asserted) [reset = 00_0000h]
      24. 7.6.24 TDCx_CALIBRATION2: Calibration 2 Register (address: 1Ch, CSBx asserted) [reset = 00_0000h]
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Measuring Time Periods Less Than 12 ns Using TDC7201
      3. 8.2.3 Application Curves
    3. 8.3 CLOCK Recommendations
      1. 8.3.1 CLOCK Accuracy
      2. 8.3.2 CLOCK Jitter
  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 Documentation Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Related Documentation
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

ZAX Package
25-Pin nFBGA
Bottom View

Pin Functions

PIN TYPE DESCRIPTION
NO. NAME
A1 START1 Input START signal for TDC1
A2 TRIGG1 Output Trigger output signal for TDC1
A3 ENABLE Input Enable signal to TDC
A4 VREG1 Output LDO output terminal for external decoupling cap
A5 SCLK Input SPI clock
B1 STOP1 Input STOP signal for TDC1
B2 GND1 Ground Ground
B3 INTB1 Output Interrupt to MCU for TDC1, active low (open drain)
B4 VDD1 Power Supply input
B5 CSB1 Input SPI chip select for TDC1, active low
C1 CLOCK Input Clock input to TDC
C2 DNC — Do not connect
C3 DNC — Do not connect
C4 VDD2 Power Supply input
C5 DOUT1 Output SPI data output for TDC1
D1 START2 Input START signal for TDC2
D2 TRIGG2 Output Trigger output signal for TDC2
D3 INTB2 Output Interrupt to MCU for TDC2, active low (open drain)
D4 DNC — Do not connect
D5 DIN Input SPI data input
E1 STOP2 Input STOP signal for TDC2
E2 GND2 Ground Ground
E3 DOUT2 Output SPI data output for TDC2
E4 VREG2 Output LDO output terminal for external decoupling cap
E5 CSB2 Input SPI chip select for TDC2, active low