ZL30415GGF データシートの表示（PDF） - Zarlink Semiconductor Inc
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ZL30415GGF Datasheet PDF : 23 Pages
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ZL30415
Data Sheet
4.2 Recommended Interface circuit
4.2.1 Interfacing to REFin Receiver
4.2.1.1 Interfacing REFin Receiver to LVPECL Driver
The ZL30415 REFin differential receiver can be connected to LVPECL compatible driver with an interface circuit, as
shown in Figure 8. The R1s and R2s terminating resistors should be placed close to the REFin input balls.
LVPECL
Driver
Z=50Ω
VCC=+3.3 V
R1 R1
ZL30415
Cc
REFinP
VDD/2
Receiver
Z=50Ω
R2
R2
REFinN
Cc
Typical resistor values: R1 = 127 Ω, R2 = 82.5 Ω
Figure 7 - Interfacing to LVPECL Driver
4.2.1.2 Interfacing REFin Receiver to LVDS or CML Drivers
The ZL30415 REFin differential receiver can be connected to LVDS or CML driver with an interface circuit, as
shown in Figure 8. The 100 Ω terminating resistors should be placed close to the REFin input balls.
LVDS
or
CML
Driver
Z=50Ω
Z=50Ω
100Ω
ZL30415
Cc
REFinP
VDD/2
Receiver
REFinN
Cc
Figure 8 - Interfacing to LVDS or CML Driver
10
Zarlink Semiconductor Inc.
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