
DS3105
111
Table 10-6. LVPECL Level-Compatible Output Pins
(VDD = 1.8V ±10%; VDDIO = 3.3V ±5%, TA = -40°C to +85°C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Differential Output Voltage
VODPECL
595
700
930
mV
Output Offset (Common Mode) Voltage
VOSPECL
25
°C (Note 1)
0.8
V
Difference in Magnitude of Output
Differential Voltage for Complementary
States
VDOSPECL
50
mV
Note 1:
With 100
load across the differential outputs.
Note 2:
The differential outputs can easily be interfaced to LVDS, LVPECL, and CML inputs on neighboring ICs using a few external
Figure 10-1. Recommended Termination for LVDS Pins
DS3105
LVDS
I/O
ICnPOS
ICnNEG
100
(5%)
50
OC6POS
OC6NEG
50
100
(5%)
LVDS
DRIVER
LVDS
RECEIVER
Figure 10-2. Recommended Termination for LVPECL Signals on LVDS Input Pins
DS3105
LVDS
INPUTS
ICnPOS
ICnNEG
130
82
50
GND
3.3V
LVPECL
DRIVER