SI5023 Datasheet, PDF (20/28 Pages) Silicon Laboratories – MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMPLIFIER

Si5023
Clock
source
0.1 µF
Zo = 50 Ω
50 Ω
0.1 µF
2.5 V (±5%)
2.5 kΩ
RFCLK
+
10 kΩ
2.5 kΩ
RFCLK –
10 kΩ
GND
Figure 18. Single-Ended Input Termination for REFCLK (ac coupled)
Signal
source
0.1 µF
Zo = 50 Ω
100 Ω
DIN +,
50 Ω
DIN–,
50 Ω
2.5 V (±5%)
5 kΩ
7.5 kΩ
0.1 µF
GND
Figure 19. Single-Ended Input Termination for DIN (ac coupled)
20
Rev. 1.25