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AD5522

Quad Parametric Measurement Unit with Integrated 16-Bit Level Setting DACs

Analog Devices 

Data Sheet

Quad Parametric Measurement Unit with

Integrated 16-Bit Level Setting DACs

AD5522

FEATURES

Quad parametric measurement unit (PMU)

FV, FI, FN (high-Z), MV, MI functions

4 programmable current ranges (internal RSENSE)

±5 μA, ±20 μA, ±200 μA, and ±2 mA

1 programmable current range up to ±80 mA (external RSENSE)

22.5 V FV range with asymmetrical operation

Integrated 16-bit DACs provide programmable levels

Gain and offset correction on chip

Low capacitance outputs suited to relayless systems

On-chip comparators per channel

FI voltage clamps and FV current clamps

Guard drive amplifier

System PMU connections

Programmable temperature shutdown

SPI- and LVDS-compatible interfaces

Compact 80-lead TQFP with exposed pad (top or bottom)

APPLICATIONS

Automated test equipment (ATE)

Per-pin parametric measurement unit

Continuity and leakage testing

Device power supply

Instrumentation

Source measure unit (SMU)

Precision measurement

FUNCTIONAL BLOCK DIAGRAM

AGND

AVSS AVDD

DVCC DGND

CCOMP[0:3]

SYS_FORCE SYS_SENSE

VREF

REFGND

MEASOUT[0:3]

AGND

16

16

X1 REG

M REG

16

C REG ×2

X2 REG

16

16-BIT

CLH DAC

×2

OFFSET DAC

×4

CLH

EN

SW3

16

16

16

X1 REG

M REG

×6

16-BIT

16 FIN DAC

X2 REG

–

FIN

+

AGND

SW1

+

FORCE

INTERNAL RANGE SELECT

(±5µA, ±20µA, ±200µA, ±2mA) 60Ω 1kΩ

C REG

×6

16

16

X1 REG

16

M REG

C REG ×2

X2 REG

×2

16 16-BIT

CLL DAC

SW10

MEASVH

(Hi-Z)

AMPLIFIER

–

SW2

SW5 RSENSE

SW4

SW6

4kΩ

CLL

VMID TO

CENTER

+

I RANGE

–

SW8

+

2kΩ SW7

SW12

MEASOUT

MUX AND GAIN

×1/×0.2

TEMP

SENSOR

16

16

×6

16

X1 REG

M REG

C REG

×6

16 16-BIT

X2 REG CPH DAC

SW11

×5 or ×10

–

+

–

AGND

MEASURE

CURRENT

IN-AMP

+

–

+

16

16

×6

16

X1 REG

M REG

C REG

×6

16

16-BIT

CPL DAC

CPL

X2 REG

–+

CPH

–+

×1

–

MEASURE

VOLTAGE

DUTGND

+

–

SW9

4kΩ

SW13

SW14

SW16

GUARD AMP

SW15

COMPARATOR

IN-AMP

10kΩ

AGND

16-BIT

16 OFFSET

DAC

16

POWER-ON

RESET

TO ALL DAC

OUTPUT

AMPLIFIERS

SERIAL

INTERFACE

TO

MEASOUT

MUX

TEMP

SENSOR

CLAMP AND

GUARD

ALARM

EXTFOH[0:3]

CFF[0:3]

FOH[0:3]

EXTMEASIH[0:3]

EXTMEASIL[0:3]

EXTERNA L

RSENSE

(CURRENTS

UP TO ±80mA)

MEASVH[0:3]

GUARD[0:3]

GUARDIN[0:3]/

DUTGND[0:3]

DUTGND

DUT

TMPALM

CGALM

RESET SDO SCLK SDI SYNC BUSY LOAD SPI/ CPOL0/ CPOH0/

LVDS SCLK SDI

CPOL1/ CPOH1/ CPOL2/ CPOH2/ CPOL3/ CPOH3/

SYNC SDO

CPO0 CPO1 CPO2 CPO3

Figure 1.

Rev. F

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