AD5520

Rev. B | Page 9 of 24

Pin No.

Mnemonic

Description

23

FSEL

Logic Input. Force mode select. Used to select between current or voltage force operation. See the

Force Voltage or Force Current section.

24

MSEL

Logic Input. Measure mode select. Used to connect MEASOUT to either MEASIOUT when high or MEASVOUT

when low.

25

CPSEL

Logic Input. Comparator select. Used to compare CPL, CPH to MEASVOUT when low, or to MEASIOUT when

high. See the Comparator Function and Strobing section.

26

Most Negative Supply Voltage.

27

Most Positive Supply Voltage.

28

AGND

MEASx Input Ground.

29

Most Negative Supply Voltage.

30

GUARD

Guard Output.

31

NC

No Connect.

32

GUARDIN

Guard Input.

33

Most Positive Supply Voltage.

34

MEASVL

DUT Voltage Sense Inputs (Low Sense).

35

GUARD(NC)

No Connect.

36

MEASVH

DUT Voltage Sense Inputs (High Sense).

37

MEASIL

DUT Current Sense Inputs (Low Sense).

38

MEASI0H

DUT Current Sense Inputs (High Sense).

39

FOH0

Force Control Voltage Output.

40

MEASI1H

DUT Current Sense Inputs (High Sense).

41

FOH1

Force Control Voltage Output.

42

MEASI2H

DUT Current Sense Inputs (High Sense).

43

FOH2

Force Control Voltage Output.

44

MEASI3H

DUT Current Sense Inputs (High Sense).

45

FOH3

Force Control Voltage Output.

46

MEASI4H

DUT Current Sense Inputs (High Sense).

47

MEASI5H

DUT Current Sense Inputs (High Sense).

48

Most Negative Supply Voltage.

49

FOH

External Force Driver Control Voltage Output.

50

Most Positive Supply Voltage.

51

COMPOUT0

Compensation Capacitor 0 Output.

52

COMPOUT1

Compensation Capacitor 1 Output.

53

COMPOUT2

Compensation Capacitor 2 Output.

54

COMPIN0

Compensation Capacitor 0 Input.

55

COMPIN1

Compensation Capacitor 1 Input.

56

COMPIN2

Compensation Capacitor 2 Input.

57, 59

REFGND

Analog Input/Output Reference Ground.

58

MEASOUT

Multiplexed DUT Voltage/Current Sense Output. See the Measured Parameter section.

60

MEASIOUT

DUT Current Sense Output.

61

MEASVOUT

DUT Voltage Sense Output.

62

FIN

Force Control Voltage Input.

63

CLH

Upper Clamp Voltage Input CLH > CLL.

64

CLL

Lower Clamp Voltage CLL < CLH.