Datasheet

2
LT1381
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
WU
U
PACKAGE
/
O
RDER I FOR ATIO
(Note 1)
Supply Voltage (V
CC
) ................................................ 6V
V
+
........................................................................ 13.2V
V
–
...................................................................... –13.2V
Input Voltage
Driver ........................................................... V
–
to V
+
Receiver ............................................... – 30V to 30V
Output Voltage
Driver ................................. (V
+
– 30V) to (V
–
+ 30V)
Receiver ................................. –0.3V to (V
CC
+ 0.3V)
Short-Circuit Duration
V
+
................................................................... 30 sec
V
–
................................................................... 30 sec
Driver Output.............................................. Indefinite
Receiver Output.......................................... Indefinite
Operating Temperature Range
LT1381C................................................. 0°C to 70°C
LT1381I .............................................. –40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
LT1381CN
LT1381CS
LT1381IS
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
C1
+
V
+
C1
–
C2
+
C2
–
V
–
TR2 OUT
REC2 IN
V
CC
GND
TR1 OUT
REC1 IN
REC1 OUT
TR1 IN
TR2 IN
REC2 OUT
N PACKAGE
16-LEAD PLASTIC DIP
S PACKAGE
16-LEAD PLASTIC SOIC
T
JMAX
= 125°C, θ
JA
= 90°C/W, θ
JC
= 46°C/W (N)
T
JMAX
= 125°C, θ
JA
= 110°C/ W, θ
JC
= 34°C/W (S)
Consult factory for Military grade parts.
(Note 2)
E
LECTR
IC
AL C CHARA TERIST
ICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply Generator
V
+
Output 7.9 V
V
–
Output –7.0 V
Supply Current (V
CC
) (Note 3), T
A
= 25°C814mA
● 16 mA
Supply Rise Time C1 = C2 = C3 = C4 = 0.1µF 0.2 ms
Oscillator Frequency 130 kHz
Driver
Output Voltage Swing Load = 3k to GND Positive
● 5.0 7.5 V
Negative ● –6.3 –5.0 V
Logic Input Voltage Level Input Low Level (V
OUT
= High) ● 1.4 0.8 V
Input High Level (V
OUT
= Low) ● 2.0 1.4 V
Logic Input Current 0.8V ≤ V
IN
≤ 2.0V ● 520 µA
Output Short-Circuit Current V
OUT
= 0V 9 17 mA
Output Leakage Current Power Off V
OUT
= ±15V ● 10 100 µA
Data Rate R
L
= 3k, C
L
= 2500pF 120 kBaud
R
L
= 3k, C
L
= 1000pF 250 kBaud
Slew Rate R
L
= 3k, C
L
= 51pF 15 30 V/µs
R
L
= 3k, C
L
= 2500pF 4 6 V/µs
Propagation Delay Output Transition t
HL
High to Low (Note 4) 0.6 1.3 µs
Output Transition t
LH
Low to High 0.5 1.3 µs