AD7762

Data Sheet

Rev. A | Page 18 of 28

DECOUPLING AND LAYOUT RECOMMENDATIONS

Due to the high performance nature of the AD7762, correct decoupling and layout techniques are required to obtain the performance as

stated within this datasheet. Figure 29 shows a simplified connection diagram for the AD7762.

INA+

INA–

OUTA–

OUTA+

DECAPA

DECAPB

VIN+

VIN–

VREF

REFGND

DGND

DGND

DGND

DGND

DGND

DGND

DGND

19

20

21

22

8

30

25

26

10

9

17

1

35

42

43

53

62

64

DB0

DB2

DB1

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB12

DB13

DB14

DB15

DB0

DB2

DB1

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB12

DB13

DB14

DB15

CS

RD/WR

RESET

SYNC

DRDY

MCLK

MCLKGND

CS

RD/WR

RESET

SYNC

DRDY

MCLK

AD7762BSV

61

60

59

58

55

54

50

49

46

45

40

37

36

38

3

2

57

56

52

51

48

47

39

R19

160k



C64

33pF

C7

100nF

DB (0:15)

U2

PIN 24

(VDIF1)

C54

100nF

L6

PIN 41

(DVDD)

C58

100nF

L8

PIN 4

(RHS)

C48

100nF

L1

PIN 15

(VBIAS)

C50

100nF

L3

PIN 14

(LHS)

PIN 27

C62

100nF

L2

L9

PIN 12

(VBUF)

C59

10nF

L4

R38

10



PIN 5

(VMOD1)

C52

100nF

L5

PIN 33

(VMOD2)

C53

100nF

L11

PIN 44

(VDRV1)

C56

100nF

L7

PIN 63

(VDRV2)

C57

100nF

L12

Figure 29. Simplified Connection Diagram