AD9956

Rev. B | Page 11 of 32

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

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

NC = NO CONNECT

CP_VDD

AGND

DRV

DRV

CP_VDD

AGND

REFCLK

REFCLK

AVDD

AGND

DVDD

35

CP_OUT

36

34

33

32

31

30

29

28

27

26

25

AD9956

TOP VIEW

(Not to Scale)

Figure 3. 48-Lead LFCSP Pin Configuration

Note that 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.