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