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ADPD103 数据表(PDF) 3 Page - Analog Devices |
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ADPD103 数据表(HTML) 3 Page - Analog Devices |
3 / 53 page ADPD103 Data Sheet Rev. B | Page 2 of 52 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description......................................................................... 1 Revision History ............................................................................... 2 Functional Block Diagram .............................................................. 3 Specifications..................................................................................... 4 Temperature and Power Specifications ..................................... 4 Performance Specifications......................................................... 5 Analog Specifications................................................................... 6 Digital Specifications ................................................................... 7 Timing Specifications .................................................................. 8 Absolute Maximum Ratings............................................................ 9 Thermal Resistance ...................................................................... 9 Recommended Soldering Profile ............................................... 9 ESD Caution.................................................................................. 9 Pin Configurations and Function Descriptions ......................... 10 Typical Performance Characteristics ........................................... 12 Theory of Operation ...................................................................... 13 Introduction ................................................................................ 13 Dual Time Slot Operation......................................................... 13 Time Slot Switch......................................................................... 14 Adjustable Sampling Frequency ............................................... 15 State Machine Operation........................................................... 16 Normal Mode Operation and Data Flow................................ 16 AFE Operation............................................................................ 18 AFE Integration Offset Adjustment......................................... 18 I2C Serial Interface ..................................................................... 20 Typical Connection Diagram ................................................... 21 LED Driver Pins and LED Supply Voltage.............................. 23 LED Driver Operation............................................................... 23 Determining the Average Current ........................................... 23 Determining CVLED ..................................................................... 23 LED Inductance Considerations.............................................. 24 Recommended Start-Up Sequence.......................................... 24 Reading Data............................................................................... 24 Clocks and Timing Calibration................................................ 26 Calculating Current Consumption.......................................... 27 Optimizing SNR per Watt ......................................................... 27 Single AFE channel mode ......................................................... 28 TIA_ADC Mode......................................................................... 28 Digital Integrate Mode............................................................... 30 Register Listing ............................................................................... 34 LED Control Registers............................................................... 38 AFE Configuration Registers.................................................... 41 System Registers ......................................................................... 46 ADC Registers ............................................................................ 50 Data Registers ............................................................................. 51 Outline Dimensions....................................................................... 52 Ordering Guide .......................................................................... 52 REVISION HISTORY 2/16—Revision B: Initial Version |
类似零件编号 - ADPD103 |
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类似说明 - ADPD103 |
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