GS3490 Datasheet, PDF (11/22 Pages) Semtech Corporation – Configurable Adaptive Cable Equalizer/Cable Driver

VCC
EQ_DISABLE,
EQ_BYPASS,
EQ_GAIN_SEL
100kΩ
Figure 3-4: EQ_DISABLE, EQ_BYPASS,
EQ_GAIN_SEL Circuits
Internal
2.5V
CD
Figure 3-5: CD Circuit
VCC
VCC
VCC
EQ_OP_CTL
1MΩ
Internal Circuitry
Internal Reference
Internal Reference
DDI
DDI
EQ RC*
VCC
50Ω
5kΩ
50Ω
700pF
10kΩ
*RC Network
for Trace Equalization
Figure 3-6: EQ_OP_CTL Circuit
Figure 3-7: Cable Driver Differential Digital Data Input
Circuit
GS3490
Final Data Sheet
GENDOC-058568
Rev. 1
April 2014
www.semtech.com
11 of 22
Proprietary & Confidential