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AD5522 Datasheet(PDF) 2 Page - Analog Devices |
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AD5522 Datasheet(HTML) 2 Page - Analog Devices |
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2 / 45 page 
AD5522 Preliminary Technical Data Rev. PrL | Page 2 of 45 TABLE OF CONTENTS Features..................................................................................................................... 1 Revision History...................................................................................................... 2 Specifications ........................................................................................................... 4 Table 2. TIMING Characteristics .................................................................... 8 Absolute Maximum Ratings................................................................................ 11 Thermal Resistance.......................................................................................... 11 ESD Caution ..................................................................................................... 11 Pin Configuration and Function Descriptions................................................. 12 TERMINOLOGY.................................................................................................. 15 Functional Description ........................................................................................ 16 Force Amplifier ................................................................................................ 16 Comparators ..................................................................................................... 16 Clamps ............................................................................................................... 16 Current Range selection.................................................................................. 17 High Current ranges........................................................................................ 17 Device under test ground (DUTGND) ........................................................ 17 Guard amplifer ................................................................................................. 18 Compensation Capacitors .............................................................................. 18 System Force Sense Switches.......................................................................... 19 Temperature Sensor......................................................................................... 19 Measure Output (MEASOUT) ...................................................................... 19 DAC Levels............................................................................................................. 20 Offset DAC........................................................................................................ 20 Offset and Gain registers ................................................................................ 20 Cached x2 registers .......................................................................................... 20 VREF..................................................................................................................... 21 Reference Selection.......................................................................................... 21 Calibration ........................................................................................................ 22 System Level Calibration ................................................................................ 22 Force Voltage, FV ............................................................................................. 23 Force Current, FI.............................................................................................. 24 SPI INTERFACE .............................................................................................. 25 LVDS INTERFACE.......................................................................................... 25 Serial Interface Write Mode ........................................................................... 25 RESET Function............................................................................................... 25 BUSY and LOAD Function ............................................................................ 25 Register Update Rates...................................................................................... 26 Register Selection............................................................................................. 27 Write System Control Register....................................................................... 28 Write PMU Register ........................................................................................ 30 Write DAC Register ......................................................................................... 32 Read Registers................................................................................................... 34 Readback of System Control Register........................................................... 35 Readback of PMU Register............................................................................. 36 Readback of Comparator Status Register..................................................... 36 Readback of Alarm Status Register ............................................................... 37 Readback of DAC Register ............................................................................. 37 Power On Default ............................................................................................ 38 Setting up the device on power on ................................................................ 39 Changing Modes .............................................................................................. 39 Required external components ...................................................................... 40 Typical Application for the AD5522 ............................................................. 42 Outline Dimensions ............................................................................................. 43 Ordering Guide ................................................................................................ 44 Notes ....................................................................................................................... 45 REVISION HISTORY 5th Sept, Update to block diagram, timing and READ functions. . |
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