SI5310 Datasheet, PDF (17/26 Pages) Silicon Laboratories – PRECISION CLOCK MULTIPLIER/REGENERATOR IC

Si5310
Clock source
0.1 µF
Zo = 50 Ω
Si5310
CLKIN +,
RFCLK +
2.5 kΩ
VDD
0.1 µF
Zo = 50 Ω
CLKIN –,
RFCLK –
10 kΩ
2.5 kΩ
10 kΩ
102Ω
GND
Figure 6. Input Termination for CLKIN and REFCLK (ac-coupled)
Clock
source
0.1 µF
Zo = 50 Ω
Si5310
2.5 kΩ
VDD
REFCLK +
100 Ω
10 kΩ
REFCLK –
0.1 µF
2.5 kΩ
10 kΩ
GND
102 Ω
Figure 7. Single-Ended Input Termination for REFCLK (ac-coupled)
Clock
source
0.1 µF
Zo = 50 Ω
Si5310
2.5 kΩ
VDD
CLKIN +
100 Ω
10 kΩ
CLKIN –
0.1 µF
2.5 kΩ
10 kΩ
GND
102 Ω
Figure 8. Single-Ended Input Termination for CLKIN (ac-coupled)
Rev. 1.2
17