LT1080/LT1081
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
ELECTRICAL CHARACTERISTICS
PARAMETER
Driver
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage Swing
Load = 3k to GND Both Outputs
Positive
Negative
●
●
5
–5
7.3
–6.5
V
V
Logic Input Voltage Level
Logic Input Current
Input Low Level (V
Input High Level (V
= High)
= Low)
●
●
1.4
1.4
0.8
V
V
OUT
2
OUT
V
V
≥ 2V
≤ 0.8V
●
●
5
5
20
20
µA
µA
IN
IN
Output Short-Circuit Current
Sourcing Current, V
= 0V
= 0V
9
–9
12
–12
mA
mA
OUT
Sinking Current, V
OUT
Output Leakage Current
Data Rate (Note 6)
SHUTDOWN (Note 3), V
= ±30V
●
10
100
30
µA
OUT
R = 3k, C = 2500pF
120
250
kBd
kBd
L
L
R = 3k, C = 1000pF
L
L
Slew Rate
R = 3k, C = 51pF
4
15
V/µs
L
L
Receiver
Input Voltage Thresholds
Input Low Threshold
Input High Threshold
Commercial
Industrial and Military
●
●
0.8
0.2
1.3
1.3
V
V
Commercial
Industrial and Military
●
●
1.7
1.7
2.4
3.0
V
V
Hysteresis
●
0.1
3
0.4
5
1
7
V
Input Resistance
Output Voltage
V
= ±10V
kΩ
IN
Output Low, I
Output High, I
= –1.6mA
= 160µA (V = 5V)
●
●
0.2
4.8
0.4
V
V
OUT
3.5
OUT
CC
Output Short-Circuit Current
Sinking Current, V
Sourcing Current, V
= V
–10
0.6
–20
1
mA
mA
OUT
CC
= 0V
OUT
Output Leakage Current
SHUTDOWN (Note 3), 0V ≤ V
≤ V
●
1
10
µA
OUT
CC
Power Supply Generator (Note 4)
+
V Output Voltage
I
I
I
= 0mA
= 10mA
= 15mA
8.0
7.0
6.5
9.0
8.0
7.5
V
V
V
OUT
OUT
OUT
–
V Output Voltage
I
I
I
= 0mA
= –10mA
= –15mA
–7.5
–5.5
–5.0
–8.5
–6.5
–6.0
V
V
V
OUT
OUT
OUT
Supply Current
●
●
●
12
1
22
100
80
mA
µA
Supply Leakage Current (V
ON/OFF Pin Current
Supply Rise Time
)
CC
SHUTDOWN (Note 3), LT1080 Only
0V ≤ V ≤ 5V, LT1080 Only
–15
µA
ON/OFF
(Note 5), LT1080 Only
1
ms
+
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 4: Unless otherwise specified, V = 5V, external loading of V and
CC
–
V equals zero and the driver outputs are low (inputs high).
+
Note 2: These parameters apply for 4.5V ≤ V ≤ 5.5V and V
= 3V,
Note 5: Time from either SHUTDOWN high or power on until V ≥ 6V and
CC
ON/OFF
–
unless otherwise specified.
V ≤ –6V. All external capacitors are 1µF.
Note 3: V
= 0.4V for –55°C ≤ T ≤ 50°C, and V = 0.2V for
ON/OFF
Note 6: Data rate operation guaranteed by slew rate, short-circuit current
and propagation delay tests.
ON/OFF
A
50°C ≤ T ≤ 125°C. (LT1080 only)
A
3
Linear [ Linear ]
