AD5522 datasheet(2/48 Pages) AD

No de pièce	AD5522

Description	Quad Parametric Measurement Unit With Integrated 16-Bit Level Setting DACs

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AD5522

Preliminary Technical Data

Rev. PrM | Page 2 of 48

TABLE OF CONTENTS

Features..................................................................................................................... 1

Revision History...................................................................................................... 2

Specifications ........................................................................................................... 4

Table 2. TIMING Characteristics .................................................................... 9

Absolute Maximum Ratings................................................................................ 12

Thermal Resistance.......................................................................................... 12

ESD Caution ..................................................................................................... 12

Pin Configuration and Function Descriptions................................................. 13

TERMINOLOGY.................................................................................................. 16

Functional Description ........................................................................................ 17

Force Amplifier ................................................................................................ 19

Comparators ..................................................................................................... 19

Clamps ............................................................................................................... 19

Current Range selection.................................................................................. 20

High Current ranges........................................................................................ 20

Device under test ground (DUTGND) ........................................................ 20

Guard amplifer ................................................................................................. 21

Compensation Capacitors .............................................................................. 21

System Force Sense Switches.......................................................................... 22

Temperature Sensor......................................................................................... 22

Measure Output (MEASOUT) ...................................................................... 22

DAC Levels............................................................................................................. 23

Offset DAC........................................................................................................ 23

Offset and Gain registers ................................................................................ 23

Cached x2 registers .......................................................................................... 23

VREF..................................................................................................................... 24

Reference Selection.......................................................................................... 24

Calibration ........................................................................................................ 25

System Level Calibration ................................................................................ 25

Force Voltage, FV ............................................................................................. 26

Force Current, FI.............................................................................................. 27

SPI INTERFACE .............................................................................................. 28

LVDS INTERFACE.......................................................................................... 28

Serial Interface Write Mode ........................................................................... 28

RESET Function............................................................................................... 28

BUSY and LOAD Function ............................................................................ 28

Register Update Rates...................................................................................... 29

Register Selection............................................................................................. 30

Write System Control Register....................................................................... 31

Write PMU Register ........................................................................................ 33

Write DAC Register ......................................................................................... 35

Read Registers................................................................................................... 37

Readback of System Control Register........................................................... 38

Readback of PMU Register............................................................................. 39

Readback of Comparator Status Register..................................................... 39

Readback of Alarm Status Register ............................................................... 40

Readback of DAC Register ............................................................................. 40

Power On Default ............................................................................................ 41

Setting up the device on power on ................................................................ 42

Changing Modes .............................................................................................. 42

Required external components ...................................................................... 43

Typical Application for the AD5522 ............................................................. 45

Outline Dimensions ............................................................................................. 46

Ordering Guide ................................................................................................ 47

Notes ....................................................................................................................... 48

REVISION HISTORY

Rev PrM, 12th March – Update to specification pages, addition of typical plots, general update of all sections of datasheet. Update of AD5522 models. .

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