MP7680JE datasheet(4/12 Pages) EXAR

Part #	MP7680JE

Description	5 V CMOS 12-Bit Quad Double-Buffered Multiplying Digital-to-Analog Converter

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Manufacturer	EXAR [Exar Corporation]

Direct Link	http://www.exar.com

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MP7680

4

Rev. 3.10

1

NC

No Connection

2

VREFA

Reference Input for DAC A

3

RFBA

Feedback Resistor for DAC A

4

IOUT1A

Current Output A

5

IOUT2A

Complement of Output A

6

NC

No Connection

7

IOUT2B

Complement of Output B

8

IOUT1B

Current Output B

9

RFBB

Feedback Resistor for DAC B

10

VREFB

Reference Input for DAC B

11-

DB11 to Input Data Bits 11 (MSB) to 6

16

DB6

17

NC

No Connection

18-

DB5-

Input Data Bits 5 to 0 (LSB)

23

DB0

24

VREFC

Reference input for DAC C

25

RFBC

Feedback Resistor for DAC C

26

IOUT1C

Current Output C

27

IOUT2C

Complement of Output C

28

NC

No Connection

29

IOUT2D

Complement of Output D

30

IOUT1D

Current Output D

31

RFBD

Feedback Resistor for DAC D

32

VREFD

Reference input for DAC D

33

AGND

Analog Ground

34

DGND

Digital Ground

35

AVDD

Analog Power Supply

36

DVDD

Digital Power Supply

37

B1/B2

Select Input Format (8/4 or 12 bits in)

38

A0

DAC Address Bit 0

39

NC

No Connection

40

A1

DAC Address Bit 1

41

XFER

Transfer: Updates all DAC’s

42

WR2

Write 2: Gates the XFER Function

43

WR1

Write 1: Gates the DAC Selection

44

CS

Chip Select

PIN DESCRIPTION

1

A1

DAC Address Bit 1

2

XFER

Transfer: Updates all DAC’s

3

WR2

Write 2: Gates the XFER Function

4

WR1

Write 1: Gates the DAC Selection

5

CS

Chip Select

6

NC

No Connection

7

VREFA

Reference Input for DAC A

8

RFBA

Feedback Resistor for DAC A

9

IOUT1A

Current Output A

10

IOUT2A

Complement of Output A

11

IOUT2B

Complement of Output B

12

IOUT1B

Current Output B

13

RFBB

Feedback Resistor for DAC B

14

VREFB

Reference Input for DAC B

15 -

DB11 to Input Data Bits 11 (MSB) to 0 (LSB)

26

DB0

27

VREFC

Reference input for DAC C

28

RFBC

Feedback Resistor for DAC C

29

IOUT1C

Current Output C

30

IOUT2C

Complement of Output C

31

IOUT2D

Complement of Output D

32

IOUT1D

Current Output D

33

RFBD

Feedback Resistor for DAC D

34

VREFD

Reference input for DAC D

35

AGND

Analog Ground

36

DGND

Digital Ground

37

AVDD

Analog Power Supply

38

DVDD

Digital Power Supply

39

B1/B2

Select Input Format (8/4 or 12 bits in)

40

A0

DAC Address Bit 0

40 Pin PDIP , CDIP

PIN NO.

NAME

DESCRIPTION

PIN NO.

NAME

DESCRIPTION

44 Pin PQFP

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