Datasheet

3
LTC1385
sn1385 1385fas
PARAMETER CONDITIONS MIN TYP MAX UNITS
Any Receiver
Input Voltage Thresholds Input Low Threshold
● 0.8 1.3 V
Input High Threshold ● 1.7 2.4 V
Hysteresis ● 0.1 0.4 1.0 V
Input Resistance –10V ≤ V
IN
≤ 10V 3 5 7 kΩ
Output Voltage Output Low, I
OUT
= – 1.6mA (V
CC
= 3.3V) ● 0.2 0.4 V
Output High, I
OUT
= 160µA (V
CC
= 3.3V) ● 3.0 3.2 V
Output Short-Circuit Current Sinking Current, V
OUT
= V
CC
–5 –20 mA
Sourcing Current, V
OUT
= 0V 2 7 mA
Output Leakage Current Shutdown (Note 4), 0V ≤ V
OUT
≤ V
CC
● 110 µA
Power Supply Generator
V
+
Output Voltage I
OUT
= 0mA 5.7 V
I
OUT
= 5mA 5.5 V
V
–
Output Voltage I
OUT
= 0mA –5.3 V
I
OUT
= –5mA –5.0 V
Supply Rise Time Shutdown or Driver Disable to Turn-On 0.2 ms
Power Supply
V
CC
Supply Current No Load (Note 2), 0°C to 70°C ● 0.2 0.5 mA
No Load (Note 2), – 40°C to 85°C ● 3.5 1.0 mA
Supply Leakage Current (V
CC
) Shutdown (Note 4) ● 0.2 10 µA
Driver Disable (Note 3) ● 35 50 µA
Digital Input Threshold Low ● 1.4 0.8 V
Digital Input Threshold High ● 2.0 1.4 V
DC ELECTRICAL CHARACTERISTICS
AC CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Slew Rate R
L
= 3k, C
L
= 51pF 8 30 V/µs
R
L
= 3k, C
L
= 1000pF 3 5 V/µs
Driver Propagation Delay t
HLD
(Figure 1) ● 2 3.5 µs
(TTL to EIA/TIA-562) t
LHD
(Figure 1) ● 2 3.5 µs
Receiver Propagation Delay t
HLR
(Figure 2) ● 0.3 0.8 µs
(EIA/TIA-562 to TTL) t
LHR
(Figure 2) ● 0.2 0.8 µs
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Supply current is measured with driver and receiver outputs
unloaded.
Note 3: Measurements made in the Driver Disable mode are performed
with V
DRIVER DISABLE
= GND and V
ON/OFF
= V
CC
.
Note 4: Measurements made in the Shutdown mode are performed with
V
ON/OFF
= 0V.
The ● denotes specifications which apply over the full operating temperature range.
V
CC
= 3.3V, C1 = C2 = C3 = C4 = 0.1µF, unless noted.
The ● denotes specifications which apply over the full operating
temperature range. V
CC
= 3.3V, C1 = C2 = C3 = C4 = 0.1µF, V
ON/OFF
= V
CC
, Driver Disable = V
CC
, unless noted.