8V19N850 Hardware Design Guide
X0120307 Rev.1.0
Mar 25, 2021
Page 13
Figure 14. Alternative LVPECL Style Term ination
Table 6. Resistor Values for Output Term ination in Figure 14
Output Supply Voltage
Am plitude
R1, R2
V
DDO_V
= 1.8V
350mV
93
Ω
500mV
55
Ω
V
DDO_V
= 2.5V
350mV
192
Ω
500mV
133
Ω
V
DDO_V
= 3.3V
350mV
300
Ω
500mV
222
Ω
750mV
165Ω
1000mV
214Ω
High Impedance Input
+
-
No Built-in Termination
Zo = 50
R1
Zo = 50
R2
VDDO_v
LVPECL Driv er
R3
100