kad5610p Kenet Inc., kad5610p Datasheet - Page 25

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kad5610p

Manufacturer Part Number
kad5610p
Description
Dual 10-bit, 250/210/170/125msps A/d Converter
Manufacturer
Kenet Inc.
Datasheet

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Equivalent Circuits
Rev 0.5.1 Preliminary
KAD5610P
CLKN
CLKP
Figure 48. Tri-Level Digital Inputs
AVDD
AVDD
Figure 46. Analog Inputs
Figure 49. Digital Inputs
Figure 47. Clock Inputs
11kΩ
11kΩ
AVDD
18kΩ
18kΩ
AVDD
Pipeline
Charge
To
Layout Considerations
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.
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 52. VCM_OUT Output
Figure 51. CMOS Outputs
Figure 50. LVDS Outputs
Page 25

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