ZHCSGA6A February   2017  – June 2017 ADS114S06 , ADS114S08

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      功能方框图
  4. 4 修订历史记录
  5. 5 Device Family Comparison Table
  6. 6 Pin Configuration and Functions
    1.     Pin 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 Characteristics
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Parameter Measurement Information
    1. 8.1 Noise Performance
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Multiplexer
      2. 9.3.2  Low-Noise Programmable Gain Amplifier
        1. 9.3.2.1 PGA Input-Voltage Requirements
        2. 9.3.2.2 PGA Rail Flags
        3. 9.3.2.3 Bypassing the PGA
      3. 9.3.3  Voltage Reference
        1. 9.3.3.1 Internal Reference
        2. 9.3.3.2 External Reference
        3. 9.3.3.3 Reference Buffers
      4. 9.3.4  Clock Source
      5. 9.3.5  Delta-Sigma Modulator
      6. 9.3.6  Digital Filter
        1. 9.3.6.1 Low-Latency Filter
          1. 9.3.6.1.1 Low-Latency Filter Frequency Response
          2. 9.3.6.1.2 Data Conversion Time for the Low-Latency Filter
        2. 9.3.6.2 Sinc3 Filter
          1. 9.3.6.2.1 Sinc3 Filter Frequency Response
          2. 9.3.6.2.2 Data Conversion Time for the Sinc3 Filter
        3. 9.3.6.3 Note on Conversion Time
        4. 9.3.6.4 50-Hz and 60-Hz Line Cycle Rejection
        5. 9.3.6.5 Global Chop Mode
      7. 9.3.7  Excitation Current Sources (IDACs)
      8. 9.3.8  Bias Voltage Generation
      9. 9.3.9  System Monitor
        1. 9.3.9.1 Internal Temperature Sensor
        2. 9.3.9.2 Power Supply Monitors
        3. 9.3.9.3 Burn-Out Current Sources
      10. 9.3.10 Status Register
        1. 9.3.10.1 POR Flag
        2. 9.3.10.2 RDY Flag
        3. 9.3.10.3 PGA Output Voltage Rail Monitors
        4. 9.3.10.4 Reference Monitor
      11. 9.3.11 General-Purpose Inputs and Outputs (GPIOs)
      12. 9.3.12 Low-Side Power Switch
      13. 9.3.13 Cyclic Redundancy Check (CRC)
      14. 9.3.14 Calibration
        1. 9.3.14.1 Offset Calibration
        2. 9.3.14.2 Gain Calibration
    4. 9.4 Device Functional Modes
      1. 9.4.1 Reset
        1. 9.4.1.1 Power-On Reset
        2. 9.4.1.2 RESET Pin
        3. 9.4.1.3 Reset by Command
      2. 9.4.2 Power-Down Mode
      3. 9.4.3 Standby Mode
      4. 9.4.4 Conversion Modes
        1. 9.4.4.1 Continuous Conversion Mode
        2. 9.4.4.2 Single-Shot Conversion Mode
        3. 9.4.4.3 Programmable Conversion Delay
    5. 9.5 Programming
      1. 9.5.1 Serial Interface
        1. 9.5.1.1 Chip Select (CS)
        2. 9.5.1.2 Serial Clock (SCLK)
        3. 9.5.1.3 Serial Data Input (DIN)
        4. 9.5.1.4 Serial Data Output and Data Ready (DOUT/DRDY)
        5. 9.5.1.5 Data Ready (DRDY)
        6. 9.5.1.6 Timeout
      2. 9.5.2 Data Format
      3. 9.5.3 Commands
        1. 9.5.3.1  NOP
        2. 9.5.3.2  WAKEUP
        3. 9.5.3.3  POWERDOWN
        4. 9.5.3.4  RESET
        5. 9.5.3.5  START
        6. 9.5.3.6  STOP
        7. 9.5.3.7  SYOCAL
        8. 9.5.3.8  SYGCAL
        9. 9.5.3.9  SFOCAL
        10. 9.5.3.10 RDATA
        11. 9.5.3.11 RREG
        12. 9.5.3.12 WREG
      4. 9.5.4 Reading Data
        1. 9.5.4.1 Read Data Direct
        2. 9.5.4.2 Read Data by RDATA Command
        3. 9.5.4.3 Sending Commands When Reading Data
      5. 9.5.5 Interfacing with Multiple Devices
    6. 9.6 Register Map
      1. 9.6.1 Configuration Registers
        1. 9.6.1.1  Device ID Register (address = 00h) [reset = xxh]
          1. Table 26. Device ID (ID) Register Field Descriptions
        2. 9.6.1.2  Device Status Register (address = 01h) [reset = 80h]
          1. Table 27. Device Status (STATUS) Register Field Descriptions
        3. 9.6.1.3  Input Multiplexer Register (address = 02h) [reset = 01h]
          1. Table 28. Input Multiplexer (INPMUX) Register Field Descriptions
        4. 9.6.1.4  Gain Setting Register (address = 03h) [reset = 00h]
          1. Table 29. Gain Setting (PGA) Register Field Descriptions
        5. 9.6.1.5  Data Rate Register (address = 04h) [reset = 14h]
          1. Table 30. Data Rate (DATARATE) Register Field Descriptions
        6. 9.6.1.6  Reference Control Register (address = 05h) [reset = 10h]
          1. Table 31. Reference Control (REF) Register Field Descriptions
        7. 9.6.1.7  Excitation Current Register 1 (address = 06h) [reset = 00h]
          1. Table 32. Excitation Current Register 1 (IDACMAG) Register Field Descriptions
        8. 9.6.1.8  Excitation Current Register 2 (address = 07h) [reset = FFh]
          1. Table 33. Excitation Current Register 2 (IDACMUX) Register Field Descriptions
        9. 9.6.1.9  Sensor Biasing Register (address = 08h) [reset = 00h]
          1. Table 34. Sensor Biasing (VBIAS) Register Field Descriptions
        10. 9.6.1.10 System Control Register (address = 09h) [reset = 10h]
          1. Table 35. System Control (SYS) Register Field Descriptions
        11. 9.6.1.11 Reserved Register (address = 0Ah) [reset = 00h]
          1. Table 36. Reserved Register Field Descriptions
        12. 9.6.1.12 Offset Calibration Register 1 (address = 0Bh) [reset = 00h]
          1. Table 37. Offset Calibration Register 1 (OFCAL0) Register Field Descriptions
        13. 9.6.1.13 Offset Calibration Register 2 (address = 0Ch) [reset = 00h]
          1. Table 38. Offset Calibration Register 2 (OFCAL1) Register Field Descriptions
        14. 9.6.1.14 Reserved Register (address = 0Dh) [reset = 00h]
          1. Table 39. Reserved Register Field Descriptions
        15. 9.6.1.15 Gain Calibration Register 1 (address = 0Eh) [reset = 00h]
          1. Table 40. Gain Calibration Register 1 (FSCAL0) Field Descriptions
        16. 9.6.1.16 Gain Calibration Register 2 (address = 0Fh) [reset = 40h]
          1. Table 41. Gain Calibration Register 2 (FSCAL1) Field Descriptions
        17. 9.6.1.17 GPIO Data Register (address = 10h) [reset = 00h]
          1. Table 42. GPIO Data (GPIODAT) Register Field Descriptions
        18. 9.6.1.18 GPIO Configuration Register (address = 11h) [reset = 00h]
          1. Table 43. GPIO Configuration (GPIOCON) Register Field Descriptions
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Serial Interface Connections
      2. 10.1.2 Analog Input Filtering
      3. 10.1.3 External Reference and Ratiometric Measurements
      4. 10.1.4 Establishing a Proper Input Voltage
      5. 10.1.5 Unused Inputs and Outputs
      6. 10.1.6 Pseudo Code Example
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Register Settings
      3. 10.2.3 Application Curves
    3. 10.3 Do's and Don'ts
  11. 11Power Supply Recommendations
    1. 11.1 Power Supplies
    2. 11.2 Power-Supply Sequencing
    3. 11.3 Power-On Reset
    4. 11.4 Power-Supply Decoupling
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13器件和文档支持
    1. 13.1 器件支持
      1. 13.1.1 开发支持
    2. 13.2 文档支持
      1. 13.2.1 相关文档
    3. 13.3 相关链接
    4. 13.4 接收文档更新通知
    5. 13.5 社区资源
    6. 13.6 商标
    7. 13.7 静电放电警告
    8. 13.8 Glossary
  14. 14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

9.4.2 Power-Down Mode

Power-down mode is entered by sending the POWERDOWN command. In this mode, all analog and digital circuitry is powered down for lowest power consumption regardless of the register settings. Only the internal voltage reference can be configured to stay on during power-down mode in case a faster start-up time is required. All register values retain the current settings during power-down mode. The configuration registers can be read and written in power-down mode. A WAKEUP command must be issued in order to exit power-down mode and to enter standby mode.

When the POWERDOWN command is issued, the device enters power-down mode 2 · tCLK after the seventh SCLK falling edge of the command. For lowest power consumption (on DVDD and IOVDD), stop the external clock when in power-down mode. The device does not gate the external clock when in power-down mode. Selecting the internal oscillator before sending the POWERDOWN command is recommended.

To release the device from POWERDOWN, issue the WAKEUP command to enter standby mode. The device then waits for the rising edge of the START/SYNC pin or a START command to go into conversion mode.

When in power-down mode, the device responds to the RREG, RDATA, and WAKEUP commands. The WREG and RESET commands can also be sent, but are ignored until a WAKEUP command is sent and the internal oscillator resumes operation.
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