AD9540

Rev. 0 | Page 11 of 32

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

43

42

41

40

39

38

37

48

47

46

45

44

13

15

16

17

18

19

20

21

22

23

24

14

1

2

3

4

5

6

7

8

9

10

11

12

AGND

AVDD

AGND

AVDD

IOUT

IOUT

AVDD

AGND

I/O_RESET

RESET

DVDD

DGND

CP

VCP

AGND

OUT0

OUT0

VCML

AGND

CLK1

CLK1

AVDD

AGND

DVDD

36

35

34

33

32

31

30

29

28

27

26

25

AD9540

TOP VIEW

(Not to Scale)

PIN 1

INDICATOR

Figure 3. 48-Lead LFCSP Pin Configuration

NOTE: The exposed paddle on this package is an electrical connection (Pin 49) as well as a thermal enhancement. For the device to

function properly, the paddle must be attached to analog ground.