kad5612p Kenet Inc., kad5612p Datasheet - Page 25

• Manufacturer Part Number: kad5612p
• Description: Dual 12-bit, 250/210/170/125msps A/d Converter
• Manufacturer: Kenet Inc.

KAD5612P
Equivalent Circuits
Figure 42. Analog Inputs
Figure 46. LVDS Outputs
Figure 47. CMOS Outputs
Figure 48. VCM_OUT Output
Layout Considerations
Figure 43. Clock Inputs
Split Ground and Power Planes
Data converters operating at high sampling frequen-
cies require extra care in PC board layout. Many
complex board designs benefit from isolating the
analog and digital sections. Analog supply and
ground planes should be laid out under signal and
clock inputs. Locate the digital planes under outputs
and logic pins. Grounds should be joined under the
chip.
Figure 44. Tri-Level Digital Inputs
Clock Input Considerations
Use matched transmission lines to the transformer in-
puts for the analog input and clock signals. Locate
transformers and terminations as close to the chip as
possible.
Figure 45. Digital Inputs
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