GS2978 Datasheet, PDF (12/15 Pages) Gennum Corporation – Dual coaxial cable driving outputs with selectable slew rate

6.2 Recommended PCB Footprint
0.35
0.65
0.55
3.70
2.76
CENTER PAD
NOTE: All dimensions
are in millimeters.
2.76
3.70
The Center Pad should be connected to the most negative power supply plane (VEE) by
a minimum of 5 vias.
NOTE: Suggested dimensions only. Final dimensions should conform to customer
design rules and process optimizations.
6.3 Packaging Data
Parameter
Package Type
Package Drawing Reference
Moisture Sensitivity Level
Junction to Case Thermal Resistance, θ_j-c
Junction to Air Thermal Resistance, θ_j-a (at zero airflow)
Psi, Ψ
Pb-free and RoHS compliant
Value
4mm x 4mm 16-pin QFN
JEDEC M0220
3
31.0°C/W
43.8°C/W
11.0°C/W
Yes
GS2978
HD-LINX® III Multi-Rate Dual Slew-Rate Cable Driver
Data Sheet
37186 - 7
March 2009
12 of 15