Datasheet

MAX9121/MAX9122
Quad LVDS Line Receivers with
Integrated Termination and Flow-Through Pinout
_______________________________________________________________________________________ 3
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LOGIC INPUTS (EN, EN)
Input High Voltage V
IH
2.0 V
CC
V
Input Low Voltage V
IL
0 0.8 V
Input Current I
IN
V
IN_
= V
CC
or 0 -15 15 µA
SUPPLY
Supply Current I
CC
Enabled, inputs open 9 15 mA
Disabled Supply Current I
CCZ
Disabled, inputs open 0.07 0.5 mA
AC ELECTRICAL CHARACTERISTICS
(V
CC
= +3.0V to +3.6V, C
L
= 15pF, differential input voltage |V
ID
| = 0.2V to 1.0V, common-mode voltage V
CM
= |V
ID
/2| to 2.4V -
|V
ID
/2|, input rise and fall time = 1ns (20% to 80%), input frequency = 100MHz, T
A
= -40°C to +85°C. Typical values are at V
CC
=
+3.3V, V
CM
= 1.2V, |V
ID
| = 0.2V, T
A
= +25°C, unless otherwise noted.) (Notes 3, 4)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Differential Propagation Delay
High to Low
t
PHLD
Figures 2 and 3 1.2 1.93 2.7 ns
Differential Propagation Delay
Low to High
t
PLHD
Figures 2 and 3 1.2 1.79 2.7 ns
Differential Pulse Skew [t
PHLD
-
t
PLHD
] (Note 5)
t
SKD1
Figures 2 and 3 140 300 ps
Differential Channel-to-Channel
Skew (Note 6)
t
SKD2
Figures 2 and 3 400 ps
Differential Part-to-Part Skew
(Note 7)
t
SKD3
Figures 2 and 3 0.8 ns
Differential Part-to-Part Skew
(Note 8)
t
SKD4
Figures 2 and 3 1.5 ns
Rise-Time t
TLH
Figures 2 and 3 0.55 1.0 ns
Fall-Time t
THL
Figures 2 and 3 0.54 1.0 ns
Disable Time High to Z t
PHZ
R
L
= 2kΩ, Figures 4 and 5 14 ns
Disable Time Low to Z t
PLZ
R
L
= 2kΩ, Figures 4 and 5 14 ns
Enable Time Z to High t
PZH
R
L
= 2kΩ, Figures 4 and 5 70 ns
Enable Time Z to Low t
PZL
R
L
= 2kΩ, Figures 4 and 5 70 ns
Maximum Operating Frequency
(Note 9)
f
MAX
All channels switching 250 300 MHz
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +3.6V, differential input voltage |V
ID
| = 0.1V to 1.0V, common-mode voltage V
CM
= |V
ID
/2| to 2.4V - |V
ID
/2|,
T
A
= -40°C to +85°C. Typical values are at V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.) (Note 1)