ES51966 datasheet(3/25 Pages) CYRUSTEK

Part #	ES51966

Description	4 3/4 and 5 3/4 A/D (Peak &Cap)

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Manufacturer	CYRUSTEK [Cyrustek corporation]

Direct Link	http://www.cyrustek.com.tw

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3 / 25 page

06/04/25

3

ES51966

4 3/4 and 5 3/4 A/D (Peak &Cap)

Pin configuration

QFP-64pin

Pin Description

Pin No.

Symbol

Type Description

1

CAZ

O

Auto-zero capacitor connection

2

RAZ

O

Auto-zero resistance connection

3

CINT

O

Integration capacitor connection

4

BUF

O

Integration resistor connection output

5

BUFX10

O

Integration resistor connection output

6

Cref-

I/O

Negative connection for reference capacitor

7

Cref+

I/O

Positive connection for reference capacito

9

IVSH

I

High current measurement input

10

IVSL

I

Low current measurement input

11

TEST5

I/O

Test Pin

12

ACVL

O

Negative output of AC to DC converter

13

ACVH

O

Positive output of AC to DC converter.

14

ADI

I

Negative input of internal AC to DC OpAmp

15

ADO

O

Output of internal AC to DC OpAmp.

Continued on next page

CAZ

RAZ

CINT

BUF

BUFX10

Cref-

Cref+

NC

IVSH

IVSL

TEST5

ACVL

ACVH

ADI

ADO

NC

OVX

OVH

NC

O

V

S

G

O

R

1

V

R

5

V

R

4

V

R

3

V

R

2

N

C

S

G

N

D

N

C

V

R

1

N

C

V

4

0

m

N

C

NC

PMIN

PMAX

NC

VRH

VR

NC

CCMP

R9K

R1K

CA+

CA-

NC

FREQ

NC

BUZIN

BUZOUT

OSC1

OSC2

L

B

A

T

V

+

V

+

A

G

N

D

G

N

D

A

G

N

D

V

-

V

-

O

S

C

4

M

S

C

L

K

S

T

A

T

U

S

V

C

E

O

C

1

5

10

15

20

25

30

35

40

45

50

55

60

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