Data Sheet (EVAL-AD5522EBDZ)Table of ContentsFeatures1Applications1Functional Block Diagram1Table of Contents2Revision History3General Description4Specifications6Timing Characteristics11Circuit and Timing Diagrams13Absolute Maximum Ratings15Thermal Resistance15ESD Caution15Pin Configurations and Function Descriptions16Typical Performance Characteristics22Terminology29Theory of Operation30Force Amplifier30Comparators30Clamps30Current Range Selection31High Current Ranges31Measure Current Gains32VMID Voltage32Choosing Power Supply Rails33Measure Output (MEASOUTx Pins)33Device Under Test Ground (DUTGND)33Guard Amplifier34Compensation Capacitors34System Force and Sense Switches35Temperature Sensor35DAC Levels36Offset DAC36Gain and Offset Registers36Cached X2 Registers37Gain and Offset Registers for the FIN DAC37Gain and Offset Registers for the Comparator DACs37Gain and Offset Registers for the Clamp DACs37Reference Voltage (VREF)37Reference Selection37Reference Selection Example38Calibration38Reducing Zero-Scale Error38Reducing Gain Error38Calibration Example39Additional Calibration39System Level Calibration39Circuit Operation40Force Voltage (FV) Mode40Force Current (FI) Mode41Serial Interface42SPI Interface42LVDS Interface42Serial Interface Write Mode42/RESET Function42/BUSY and /LOAD Functions42Register Update Rates44Register Selection44Readback Control, RD/WR44PMU Address Bits: PMU3, PMU2, PMU1, PMU044NOP (No Operation)44Reserved Commands44Write System Control Register46Write PMU Register48Write DAC Register50DAC Addressing51Read Registers53Readback of System Control Register54Readback of PMU Register55Readback of Comparator Status Register56Readback of Alarm Status Register56Readback of DAC Register57Applications Information58Power-On Default58Setting Up the Device on Power-On58Changing Modes59Required External Components59Power Supply Decoupling60Power Supply Sequencing60Typical Application for the AD552260Outline Dimensions62Ordering Guide63Size: 2.41 MBPages: 64Language: EnglishOpen manual