3

LT1080/LT1081

ELECTRICAL C

C

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Driver

Output Voltage Swing

Load = 3k to GND Both Outputs

Positive

q

5

7.3

V

Negative

q

–5

–6.5

V

Logic Input Voltage Level

q

1.4

0.8

V

q

2

1.4

V

Logic Input Current

q

520

µA

q

520

µA

Output Short-Circuit Current

9

12

mA

–9

–12

mA

Output Leakage Current

q

10

100

µA

Data Rate (Note 6)

120

kBd

250

kBd

Slew Rate

4

15

30

V/

µs

Receiver

Input Voltage Thresholds

Input Low Threshold

Commercial

q

0.8

1.3

V

Industrial and Military

q

0.2

1.3

V

Input High Threshold

Commercial

q

1.7

2.4

V

Industrial and Military

q

1.7

3.0

V

Hysteresis

q

0.1

0.4

1

V

Input Resistance

3

5

7

k

Ω

Output Voltage

q

0.2

0.4

V

q

3.5

4.8

V

Output Short-Circuit Current

–10

–20

mA

0.6

1

mA

Output Leakage Current

SHUTDOWN (Note 3), 0V

q

110

µA

Power Supply Generator (Note 4)

8.0

9.0

V

7.0

8.0

V

6.5

7.5

V

–7.5

–8.5

V

–5.5

–6.5

V

–5.0

–6.0

V

Supply Current

q

12

22

mA

SHUTDOWN (Note 3), LT1080 Only

q

1

100

µA

ON/OFF Pin Current

0V

q

–15

80

µA

Supply Rise Time

(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 2: These parameters apply for 4.5V

unless otherwise specified.

50

≥ 6V and

≤ –6V. All external capacitors are 1µF.

Note 6: Data rate operation guaranteed by slew rate, short-circuit current

and propagation delay tests.