AD9954

Rev. 0 | Page 8 of 36

PIN CONFIGURATIONS

43

42

41

40

39

38

37

48

47

46

45

44

13

15

16

17

18

19

20

21

22

23

24

I/ O U P D A T E

DV D D

DG ND

AV D D

AG ND

AV D D

AG ND

OS C / R E FC LK

OS C / R E FC LK

CR Y S T A L O U T

C L K M O D E SEL EC T

LO OP _ F ILTE R

R ESE T

PW R D W N C T L

DV D D

DG ND

AG ND

CO M P _ I N

CO M P _ I N

AV D D

CO M P _ O U T

AV D D

AG ND

AV D D

A D 99 54

TOP V IE W

( N o t t o S cale)

14

1

2

3

4

5

6

7

8

9

10

11

12

36

35

34

33

32

31

30

29

28

27

26

25

Figure 3. 48-Lead EP_TQFP

Note that the exposed paddle on the bottom of the package forms an electrical connection for the DAC and must be attached to

analog ground. Note that Pin 43, DVDD_I/O, can be powered to 1.8 V or 3.3 V. The DVDD pins (Pin 2 and Pin 34) can only be

powered to 1.8 V.