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AD7997 датащи(PDF) 2 Page - Analog Devices |
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AD7997 датащи(HTML) 2 Page - Analog Devices |
2 / 28 page AD7992 Rev. 0 | Page 2 of 28 TABLE OF CONTENTS Specifications..................................................................................... 3 I2C Timing Specifications ................................................................ 5 Absolute Maximum Ratings............................................................ 7 ESD Caution.................................................................................. 7 Pin Configuration and Pin Function Descriptions...................... 8 Terminology ...................................................................................... 9 Typical Performance Characteristics ........................................... 10 Circuit Information ........................................................................ 13 Converter Operation.................................................................. 13 Typical Connection Diagram ................................................... 14 Analog Input ............................................................................... 14 Internal Register Structure ............................................................ 16 Address Pointer Register ........................................................... 16 Configuration Register .............................................................. 17 Conversion Result Register ....................................................... 18 Limit Registers ............................................................................ 18 Alert Status Register................................................................... 19 Cycle Timer Register.................................................................. 19 Sample Delay and Bit Trial Delay............................................. 19 Serial Interface ................................................................................ 20 Serial Bus Address...................................................................... 20 Writing to the AD7992 .................................................................. 21 Writing to the Address Pointer Register for a Subsequent Read.............................................................................................. 21 Writing a Single Byte of Data to the Alert Status Register, Cycle Register, or Configuration Register............................... 21 Writing Two Bytes of Data to a Limit Register or Hysteresis Register ........................................................................................ 22 Reading Data from the AD7992................................................... 23 ALERT/BUSY Pin .......................................................................... 24 SMBus ALERT............................................................................ 24 Placing the AD7992-1 into High Speed Mode....................... 24 The Address Select (AS) Pin ..................................................... 24 Modes of Operation ....................................................................... 25 Mode 1—Using the CONVST Pin ........................................... 25 Mode 2 – Command mode....................................................... 26 Mode 3—Automatic Cycle Mode............................................. 27 Outline Dimensions ....................................................................... 28 Ordering Guide .......................................................................... 28 REVISION HISTORY 1/05—Revision 0: Initial Version |
Аналогичный номер детали - AD7997 |
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Аналогичное описание - AD7997 |
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