MP7652 查看數據表（PDF） - Exar Corporation

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MP7652

4-Channel Voltage Output 15 MHz, Input Bandwidth, 8-Bit Multiplying DACs with 3-Wire Serial Digital Port and Independent References

Exar Corporation 

PIN CONFIGURATIONS

N/C 1

N/C 2

VDD 3

VCC 4

VEE 5

DGND 6

VREFN1 7

VOUT1 8

VREFP1 9

VREFP2 10

VOUT2 11

VREFN2 12

24 N/C

23 PRESET

22 LD

21 CLK

20 SDO

19 SDI

18 VREFN4

17 VOUT4

16 VREFP4

15 VREFP3

14 VOUT3

13 VREFN3

24 Pin PDIP (0.300”)

NN24

MP7652

N/C

1

N/C

2

VDD

3

VCC

4

VEE

5

DGND

6

VREFN1

7

VOUT1

8

VREFP1

9

VREFP2

10

VOUT2

11

VREFN2

12

24

N/C

23

PRESET

22

LD

21

CLK

20

SDO

19

SDI

18

VREFN4

17

VOUT4

16

VREFP4

15

VREFP3

14

VOUT3

13

VREFN3

24 Pin SOIC (Jedec, 0.300”)

S24

PIN OUT DEFINITIONS

PIN NO.

1

2

3

4

5

6

7

8

9

10

11

12

13

NAME

N/C

N/C

VDD

VCC

VEE

DGND

VREFN1

VOUT1

VREFP1

VREFP2

VOUT2

VREFN2

VREFN3

DESCRIPTION

No Connection

No Connection

Digital Positive Supply

Analog Positive Supply

Analog Negative Supply

Digital Ground

DAC 1 Negative Reference Input

DAC 1 Output

DAC 1 Positive Reference Input

DAC 2 Positive Reference Input

DAC 2 Output

DAC 2 Negative Reference Input

DAC 3 Negative Reference Input

PIN NO.

14

15

16

17

18

19

20

21

22

23

24

NAME

DESCRIPTION

VOUT3

VREFP3

VREFP4

VOUT4

VREFN4

SDI

SDO

CLK

LD

PRESET

N/C

DAC 3 Output

DAC 3 Positive Reference Input

DAC 4 Positive Reference Input

DAC 4 Output

DAC 4 Negative Reference Input

Serial Data and Address Input

Serial Data Output

Shift Register Clock Input

Load Data to Selected DAC

Preset all DACs to 1/2

(VREF – VREFN). PRESET is

internally connected to VDD

through 300 kΩ.

No Connection

Rev. 1.00

3

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