ES51916_11 datasheet(3/29 Pages) CYRUSTEK

No de pièce	ES51916

Description	11,000 Counts Auto DMM

Download	29 Pages

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Fabricant	CYRUSTEK [Cyrustek corporation]

Site Internet	http://www.cyrustek.com.tw

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v1.2

11/09/06

3

Pin Description

Pin No

Symbol

Type

Description

1

V+

O

Output of on-chip DC-DC converter.

2

V+

O

Output of on-chip DC-DC converter.

3

CREF+

I/O Positive connection for reference capacitor.

4

CREF-

I/O Negative connection for reference capacitor.

5

CINT

O

Integrator output. Connect to integral capacitor

6

CAZ

I

Auto-zero capacitor connection.

7

BUFF

O

Buffer output pin. Connect to integral resistor

8

RAZ

O

Buffer output pin in high-speed mode. Connect to high-speed integral

resistor.

9

IVSH

I

Current measurement input for 1100μA, 110mA and 11A modes.

10

IVSL

I

Current measurement input for 110μA, 11mA.

11

OVX

I

Input high voltage for resistance measurement

12

OVH

I

Output connection for resistance measurement

13

OVSG

I

Sense low voltage for resistance measurement

14

OR1

O

Reference resistor connection for 110.00Ω range

15

VR5

O

Voltage measurement ÷10000 attenuator(1000.0V)

16

VR4

O

Voltage measurement ÷1000 attenuator(110.00V)

17

VR3

O

Voltage measurement ÷100 attenuator(11.000V)

18

VR2

O

Voltage measurement ÷10 attenuator(1.1000V)

19

TEST 5

I/O Test pin

20

ACVL

O

DC signal low input in ACV/ACA mode. Connect to negative output

of external AC to DC converter.

21

ACVH

O

DC signal high input in ACV/ACA mode. Connect to positive output o

external AC to DC converter.

22

ADI

I

Negative input of internal AC to DC OP Amp.

23

ADO

O

Output of internal AC to DC OP Amp.

24

ADOHZ

I

Frequency input under voltage/current mode, offset to AGND.

25

OPO

O

Output of internal independent OP Amp.

26

OPIN+

I

Positive input terminal of on-chip independent OP Amp.

27

OPIN-

I

Negative input terminal of on-chip independent OP Amp.

28

PWD

I

Power-down enable for on-chip independent OP Amp.

29

VRH

O

Output of band-gap voltage reference. Typically –1.23V

30

VR

I

Reference input voltage connection. Typically –100mV

31

VA+

I

For ADP mode. De-integrating voltage positive input. The input

should be higher than VA-.

32

VA-

I

For ADP mode. De-integrating voltage negative input. The input

should be lower than VA+.

33

ADP

I

Measurement input in ADP mode.

34

SGND

G

Signal Ground.

35

VR1

I

Measurement input.

36

VBAR

I

In temperature mode, it is used to control decimal point.

In µA or mA modes, it is used to control the ‘µ’ or ‘m’ sign.

37

PMIN

O

Minimum peak hold output

38

PMAX

O

Maximum peak hold output.

39

NC

40

NC

41

NC

42

NC

43

OHMC1

O

Filter capacitor connection for resistance mode.

44

SLEEP

O

Sleep mode indicator, asserts low in SLEEP mode.

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