PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD9956
AGND 1
AVDD 2
AGND 3
AVDD 4
IOUT 5
IOUT 6
AVDD 7
AGND 8
I/O_RESET 9
RESET 10
DVDD 11
DGND 12
NC = NO CONNECT
AD9956
TOP VIEW
(Not to Scale)
36 CP_OUT
35 CP_VDD
34 AGND
33 DRV
32 DRV
31 CP_VDD
30 AGND
29 REFCLK
28 REFCLK
27 AVDD
26 AGND
25 DVDD
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.
Rev. B | Page 11 of 32