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MEMS Inertial Sensors
MEMS Inertial Sensors
Documents ADIS16460 Data Ready During Start-up
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MEMS Inertial Sensors requires membership for participation - click to join
  • +Documents
  • +3-D Model/STEP: FAQ
  • +AD22282-A-R2: FAQ
  • +ADIS16000: FAQ
  • +ADIS16003 MTBF: FAQ
  • +ADIS16006: FAQ
  • +ADIS16201: FAQ
  • +ADIS16203: FAQ
  • +ADIS16204: FAQ
  • +ADIS16209: FAQ
  • +ADIS16210: FAQ
  • +ADIS16223: FAQ
  • +ADIS16227: FAQ
  • +ADIS16228: FAQ
  • +ADIS16229: FAQ
  • +ADIS16240: FAQ
  • +ADIS16255: FAQ
  • +ADIS16355: FAQ
  • +ADIS16364: FAQ
  • +ADIS16365: FAQ
  • +ADIS16375: FAQ
  • +ADIS16385: FAQ
  • +ADIS16400: FAQ
  • +ADIS16405: FAQ
  • +ADIS16407: FAQ
  • +ADIS16445: FAQ
  • +ADIS16448: FAQ
  • -ADIS16460: FAQ
    • FAQ: ADIS16IMU4/PCBZ Issue/Update
    • FAQ: What's new with the ADIS16460?
    • FAQ: Embedded design with the ADIS16460
    • Bartlett Window Filter Response in MEMS IMUs
    • ADIS16460 Data Ready During Start-up
    • ADIS16460 Datasheet Error - SYNC_SCAL Equation/Boundary Condition
    • ADIS16460 Datasheet Error: Delta-Velocity Data Format Examples
    • ADIS16460 Datasheet: Accelerometer VRW?
    • ADIS16460 Datasheet: Burst-read structure?
    • ADIS16460 Datasheet: Checksum value in Burst Read?
    • ADIS16460 Datasheet: Data Invalid Time
    • ADIS16460 Datasheet: Gyro Resonant Frequency?
    • ADIS16460 Datasheet: Software Reset Time?
    • ADIS16460 Evaluation Hack
    • ADIS16460 Evaluation Hack 2
    • ADIS16460 Package, a 3-D View
  • +ADIS16475: FAQ
  • +ADIS16477: FAQ
  • +ADIS1647x: FAQ
  • +ADIS16480: FAQ
  • +ADISUSB: FAQ
  • +ADXL001: FAQ
  • +ADXL203: FAQ
  • +ADIS16300: FAQ
  • +ADIS16485: FAQ
  • +ADIS16488: FAQ
  • +ADIS16488A: FAQ
  • +ADIS16490: FAQ
  • +ADIS16495: FAQ
  • +ADIS16497: FAQ
  • +ADXL103: FAQ
  • +ADXL150: FAQ
  • +ADxL193: FAQ
  • +ADXL202: FAQ
  • +ADXL206: FAQ
  • +ADXL210: FAQ
  • +ADXL210E: FAQ
  • +ADXL213: FAQ
  • +ADxL230: FAQ
  • +ADXL278: FAQ
  • +ADXL312: FAQ
  • +ADXL313: FAQ
  • +ADXL320: FAQ
  • +ADXL321: FAQ
  • +ADXL322: FAQ
  • +ADXL327: FAQ
  • +ADXL335: FAQ
  • +ADXL337: FAQ
  • +ADXL345: FAQ
  • +AD22290: FAQ
  • +ADIS16003: FAQ
  • +ADIS16133: FAQ
  • +ADIS16135: FAQ
  • +ADIS16265: FAQ
  • +ADIS16305: FAQ
  • +ADXL326: FAQ
  • +ADXL350: FAQ
  • +ADXL362: FAQ
  • +ADXL375: FAQ
  • +ADXL377: FAQ
  • +ADXL78: FAQ
  • +ADXRS150: FAQ
  • +ADXRS290: FAQ
  • +ADXRS300: FAQ
  • +ADXRS401: FAQ
  • +ADXRS453: FAQ
  • +ADXRS610: FAQ
  • +ADxRS614: FAQ
  • +ADXRS623: FAQ
  • +ADXRS646: FAQ
  • +ADXRS652: FAQ
  • +ADXRS800: FAQ
  • +ADIS16136: FAQ
  • +ADIS16137: FAQ
  • +ADIS16266: FAQ
  • +ADIS16334: FAQ
  • +ADIS16362 Evaluation Tool: FAQ
  • +ADIS16364 Evaluation Tool: FAQ
  • +ADIS16367: FAQ
  • +ADIS163xx: FAQ
  • +ADIS16489: FAQ
  • +ADIS1648x: FAQ
  • +ADXL346: FAQ
  • +ADXL363: FAQ
  • +EVAL-ADIS: FAQ
  • +EVAL-ADIS2: FAQ
  • +Filtering Functions: FAQ
  • +General: FAQ
  • +Gyroscope: FAQ
  • +Hard & Soft Iron Correction: FAQ
  • +ISEB USB: FAQ
  • +IMU: FAQ
  • +MEMS: FAQ
  • +Slip Ring Interface: FAQ
  • +SPI Troubleshooting: FAQ
  • +TEMP_OUT Variation: FAQ
  • +Test Procedures: FAQ

ADIS16460 Data Ready During Start-up

The ADIS16460's data ready signal provides a pulse, every time that new data loads into its output data registers.  By changing states while the actual register update is happening, the data-ready provides an effective indicator for the "do not read time."  Therefore, triggering on the second edge of the pulse assures avoidance of data collision and minimizes latency.  During start-up, while the internal processor is initializing itself for sensor data sampling and processing, the data-ready will go through two non-operational states: an intermediate level, followed by a zero level.  After the initialization process completes, the data-ready signal will start pulsing once data production begins.  The following picture illustrates this process, where normal pulsing starts ~265ms after application of +3.3V on VDD.

The following picture provides a zoomed view of the time that the data ready stars pulsing, when the ADIS16460's configuration uses the internal sample clock and no decimation (nominal = 2048SPS). 

  • adis16460
  • start-up
  • data_ready
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