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GS3490 Datasheet, PDF (20/22 Pages) Semtech Corporation – Configurable Adaptive Cable Equalizer/Cable Driver
6.2 Packaging Data
Parameter
Value
Package Type
32-pin QFN / 5mm x 5mm / 0.5mm pad pitch
Moisture Sensitivity Level
3
Junction to Case Thermal Resistance, θj-c
17.8°C/W
Junction to Air Thermal Resistance, θj-a (at zero airflow)
26.4°C/W
Psi (ψ) =Junction-to-Top (of Package) Characterization Parameter 0.4°C/W
Pb-free and RoHS compliant
Yes
6.3 Recommended PCB Footprint
0.50
Pin #1
0.3
0.6
0.40 x 45°
4.20
3.30
Notes:
1. All dimensions in mm.
2. Drawing not to scale.
3. 16 thermal VIAs, evenly spaced on centre paddle
connected to ground plane.
Figure 6-2: Recommended PCB Footprint
GS3490
Final Data Sheet
GENDOC-058568
Rev. 1
April 2014
www.semtech.com
20 of 22
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