Datenblatt-Suchmaschine für elektronische Bauteile |
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AD7291BCPZ-RL7 Datenblatt(PDF) 2 Page - Analog Devices |
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AD7291BCPZ-RL7 Datenblatt(HTML) 2 Page - Analog Devices |
2 / 28 page AD7291 Rev. 0 | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 I2C Timing Specifications............................................................ 5 Absolute Maximum Ratings............................................................ 6 Thermal Resistance ...................................................................... 6 ESD Caution.................................................................................. 6 Pin Configuration and Function Descriptions............................. 7 Typical Performance Characteristics ............................................. 8 Terminology .................................................................................... 11 Circuit Information ........................................................................ 12 Converter Operation.................................................................. 12 Analog Input ............................................................................... 12 ADC Transfer Function............................................................. 13 Temperature Sensor Operation ................................................ 13 Temperature Sensor Averaging................................................. 13 VDRIVE ............................................................................................ 14 The Internal or External Reference.......................................... 14 Reset ............................................................................................. 14 Internal Register Structure ............................................................ 15 Address Pointer Register ........................................................... 15 Command Register (0x00)........................................................ 17 Voltage Conversion Result Register (0x01) ............................ 18 TSENSE Conversion Result Register (0x02)................................ 18 TSENSE Average Result Register (0x03) ...................................... 19 Limit Registers (0x04 to 0x1E) ................................................. 19 Hysteresis Register ..................................................................... 20 Alert Status Register A and Alert Status Register B (0x1F and 0x20)............................................................................................. 20 I2C Interface .................................................................................... 21 Serial Bus Address Byte ............................................................. 21 General I2C Timing.................................................................... 21 Writing to the AD7291 .................................................................. 22 Writing Two Bytes of Data to a 16-Bit Register ..................... 22 Writing to Multiple Registers.................................................... 22 Reading Data From the AD7291.................................................. 23 Reading Two Bytes of Data from a 16-Bit Register ............... 23 Modes of Operation ....................................................................... 24 Command Mode ........................................................................ 24 Autocycle Mode.......................................................................... 26 Outline Dimensions ....................................................................... 27 Ordering Guide .......................................................................... 27 REVISION HISTORY 1/11—Revision 0: Initial Version |
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