Datasheet
MAX9123
Quad LVDS Line Driver with
Flow-Through Pinout
_______________________________________________________________________________________ 3
SWITCHING CHARACTERISTICS
(V
CC
= +3.0V to +3.6V, R
L
= 100Ω ±1%, C
L
= 15pF, T
A
= -40°C to +85°C. Typical values are at V
CC
= +3.3V, T
A
= +25°C, unless
otherwise noted.) (Notes 4, 5, 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Differential Propagation Delay
High to Low
t
PHLD
Figures 2 and 3 0.7 1.7 ns
Differential Propagation Delay
Low to High
t
PLHD
Figures 2 and 3 0.7 1.7 ns
Differential Pulse Skew (Note 7) t
SKD1
Figures 2 and 3 0.04 0.25 ns
Differential Channel-to-Channel
Skew (Note 8)
t
SKD2
Figures 2 and 3 0.07 0.35 ns
Differential Part-to-Part Skew
(Note 9)
t
SKD3
Figures 2 and 3 0.13 0.8 ns
Differential Part-to-Part Skew
(Note 10)
t
SKD4
Figures 2 and 3
0.43 1.0 ns
Rise Time t
TLH
Figures 2 and 3 0.2 0.39 1.0 ns
Fall Time t
THL
Figures 2 and 3 0.2 0.39 1.0 ns
Disable Time High to Z t
PHZ
Figures 4 and 5 2.7 5 ns
Disable Time Low to Z t
PLZ
Figures 4 and 5 2.7 5 ns
Enable Time Z to High t
PZH
Figures 4 and 5 2.3 7 ns
Enable Time Z to Low t
PZL
Figures 4 and 5 2.3 7 ns
Maximum Operating Frequency
(Note 11)
f
MAX
400 MHz
Note 1: Maximum and minimum limits over temperature are guaranteed by design and characterization. Devices are 100% tested
at T
A
= +25°C.
Note 2: Currents into the device are positive, and current out of the device is negative. All voltages are referenced to ground except
V
OD
.
Note 3: Guaranteed by correlation data.
Note 4: AC parameters are guaranteed by design and characterization.
Note 5: C
L
includes probe and jig capacitance.
Note 6: Signal generator conditions for dynamic tests: V
OL
= 0, V
OH
= 3V, f = 100MHz, 50% duty cycle, R
O
= 50Ω, t
R
≤ 1ns, t
F
≤
1ns (0% to 100%).
Note 7: t
SKD1
is the magnitude difference of differential propagation delay. t
SKD1
= |t
PHLD
- t
PLHD
|.
Note 8: t
SKD2
is the magnitude difference of t
PHLD
or t
PLHD
of one channel to the t
PHLD
or t
PLHD
of another channel on the same
device.
Note 9: t
SKD3
is the magnitude difference of any differential propagation delays between devices at the same V
CC
and within 5°C
of each other.
Note 10: t
SKD4
is the magnitude difference of any differential propagation delays between devices operating over the rated supply
and temperature ranges.
Note 11: f
MAX
signal generator conditions: V
OL
= 0, V
OH
= 3V, f = 400MHz, 50% duty cycle, R
O
= 50Ω, t
R
≤ 1ns, t
F
≤ 1ns (0% to
100%). Transmitter output criteria: duty cycle = 45% to 55%, V
OD
≥ 250mV.