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

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