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AD5522 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD5522
Description  Quad Parametric Measurement Unit With Integrated 16-Bit Level Setting DACs
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD5522 Datasheet(HTML) 2 Page - Analog Devices

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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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