Datasheet

3
LTC1482
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V ±5% (Notes 2 and 3) unless otherwise noted.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
THCD
Differential Input Threshold Voltage for CD = 1 –7V ≤ V
CM
≤ 12V, DE = 0 ● –0.20 0.20 V
∆V
TH
Receiver Input Hysteresis V
CM
= 0V, DE = 0 ±30 mV
V
OH
CD Output High Voltage I
OUT
= –10µA, (V
A
– V
B
) = 0V ● 3.4 V
RO Output High Voltage I
OUT
= –4mA, (V
A
– V
B
) = 200mV ● 3.5 V
V
OL
RO and CD Output Low Voltage I
OUT
= 4mA, (V
A
– V
B
) = –200mV ● 0.4 V
I
OZR
Three-State (High Impedance) Receiver Output V
CC
= Max, 0.4V ≤ V
OUT
≤ 2.4V ● ±1 µA
Current in Shutdown DI/SHDN = 0, DE = 0
R
IN
Receiver Input Resistance –7V ≤ V
CM
≤ 12V ● 12 22 kΩ
I
CC
Supply Current No Load, Driver Enabled (DE = V
CC
) ● 580 900 µA
No Load, Driver Disabled (DE = 0)
● 430 700 µA
I
SHDN
Supply Current in Shutdown Mode DE = 0, DI = 0 ● 10 20 µA
I
OSD1
Driver Short-Circuit Current, V
OUT
= High (Note 4) –7V ≤ V
OUT
≤ 10V 35 250 mA
I
OSD2
Driver Short-Circuit Current, V
OUT
= Low (Note 4) –7V ≤ V
OUT
≤ 10V 35 250 mA
I
OS
RO and CD Short-Circuit Current 0V ≤ V
OUT
≤ V
CC
● 785mA
I
PULL-UP
CD Pull-Up Current CD = 0V ● 15 30 60 µA
SWITCHING CHARACTERISTICS
U
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V ±5% (Notes 2 and 3) unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
PLH
Driver Input to Output R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF ● 10 28 60 ns
t
PHL
Driver Input to Output (Figures 4, 6) ● 10 30 60 ns
t
SKEW
Driver Output to Output ● 210 ns
t
r
, t
f
Driver Rise or Fall Time ● 31540 ns
t
ZH
Driver Enable to Output High C
L
= 100pF (Figures 5, 7) S2 Closed ● 40 70 ns
t
ZL
Driver Enable to Output Low C
L
= 100pF (Figures 5, 7) S1 Closed ● 40 100 ns
t
LZ
Driver Disable Time from Low C
L
= 15pF (Figures 5, 7) S1 Closed ● 40 70 ns
t
HZ
Driver Disable Time from High C
L
= 15pF (Figures 5, 7) S2 Closed ● 40 70 ns
t
ZH(SHDN)
Driver Enable from Shutdown to Output High C
L
= 100pF (Figures 5, 7) S2 Closed ● 40 100 ns
(Note 5)
t
ZL(SHDN)
Driver Enable from Shutdown to Output Low C
L
= 100pF (Figures 5, 7) S1 Closed ● 40 100 ns
t
HZ(SHDN)
Driver Disable on Shutdown from Output High C
L
= 15pF (Figures 5, 7) S2 Closed ● 40 100 ns
t
LZ(SHDN)
Driver Disable on Shutdown from Output Low C
L
= 15pF (Figures 5, 7) S1 Closed ● 40 100 ns
f
MAX
Maximum Data Rate (Note 6) ● 4 5 Mbps
t
PLH
Receiver Input to Output (Note 7) R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF, ● 30 138 200 ns
(Figures 4, 8)
t
PHL
Receiver Input to Output R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF, ● 30 122 200 ns
(Figures 4, 8)
t
SKD
|t
PLH
– t
PHL
| Differential Receiver Skew R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF, 16 ns
(Figures 4, 8)
t
CDH
Receiver Input to CD Output High (Note 7) R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF, ● 2900 5000 ns
(Figures 4, 10) DI/SHDN = V
CC
t
CDL
Receiver Input to CD Output Low (Note 7) R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF, ● 150 300 ns
(Figures 4, 10) DI/SHDN = V
CC