Datasheet

LTM2881
4
2881ff
For more information www.linear.com/2881
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Logic
V
IL
Logic Input Low Voltage 1.62V ≤ V
L
≤ 5.5V
l
0.4 V
V
IH
Logic Input High Voltage
D
IN
SLO
DI, TE, DE, ON, RE:
V
L
≥ 2.35V
1.62V ≤ V
L
< 2.35V
l
l
l
l
0.67•V
CC2
2
0.67•V
L
0.75•V
L
V
V
V
V
I
INL
Logic Input Current
l
0 ±1 µA
V
HYS
Logic Input Hysteresis (Note 2) 150 mV
V
OH
Output High Voltage Output High, I
LOAD
= –4mA
(Sourcing), 5.5V ≥ V
L
≥ 3V
Output High, I
LOAD
= –1mA
(Sourcing), 1.62V ≤ V
L
< 3V
l
l
V
L
–0.4
V
L
–0.4
V
V
V
OL
Output Low Voltage Output Low, I
LOAD
= 4mA
(Sinking), 5.5V ≥ V
L
≥ 3V
Output High, I
LOAD
= 1mA
(Sinking), 1.62V ≤ V
L
< 3V
l
l
0.4
0.4
V
V
I
OZR
Three-State (High Impedance)
Output Current on RO
RE = V
L
, 0V ≤ RO ≤ V
L
l
±1 µA
I
OSR
Short-Circuit Current 0V ≤ (RO or D
OUT
) ≤ V
L
l
±85 mA
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. LTM2881-3 V
CC
= 3.3V, LTM2881-5 V
CC
= 5.0V, V
L
= 3.3V, GND = GND2 =
0V, ON = V
L
unless otherwise noted.
swiTching characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. LTM2881-3 V
CC
= 3.3V, LTM2881-5 V
CC
= 5.0V, V
L
= 3.3V, GND = GND2 =
0V, ON = V
L
unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Driver SLO = V
CC2
f
MAX
Maximum Data Rate (Note 3) 20 Mbps
t
PLHD
t
PHLD
Driver Input to Output R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
l
60 85 ns
∆t
PD
Driver Input to Output Difference
|t
PLHD
– t
PHLD
|
R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
l
1 8 ns
t
SKEWD
Driver Output Y to Output Z R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
l
1 ±8 ns
t
RD
t
FD
Driver Rise or Fall Time R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
l
4 12.5 ns
t
ZLD
, t
ZHD
,
t
LZD
, t
HZD
Driver Output Enable or Disable
Time
R
L
= 500Ω, C
L
= 50pF
(Figure 5)
l
170 ns
Driver SLO = GND2
f
MAX
Maximum Data Rate (Note 3) 250 kbps
t
PLHD
t
PHLD
Driver Input to Output R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
1 1.55 µs
∆t
PD
Driver Input to Output Difference
|t
PLHD
– t
PHLD
|
R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
50 500 ns
t
SKEWD
Driver Output Y to Output Z R
DIFF
= 54Ω, C
L
= 100pF
(Figure 4)
±200 ±500 ns