REV. A

AD5520

–7–

PIN FUNCTION DESCRIPTIONS (continued)

Pin No.

Mnemonic

Description

19

AM2

Logic Input. Used in conjunction with AM1 and AM0 to select one of six current ranges or to enable

standby mode. For details, see the Current Ranges section.

20

AM1

Logic Input. Used in conjunction with AM2 and AM0 to select one of six current ranges or to enable

standby mode. For details, see the Current Ranges section.

21

AM0

Logic Input. Used in conjunction with AM2 and AM1 to select one of six current ranges or to enable

standby mode. For details, see the Current Ranges section.

22

STANDBY

Logic Input. When high, device is in standby mode of operation. For details, see the Standby

Mode section.

23

FSEL

Logic Input. Force mode select. Used to select between current or voltage force operation. For details,

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. For details, 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. For details, 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.