Datasheet

2
LTC1348
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
ORDER PART
NUMBER
LTC1348CG
LTC1348CSW
LTC1348IG
LTC1348ISW
(Note 1)
Supply Voltage (V
CC
) ................................................ 6V
Input Voltage
Driver ....................................... –0.3V to V
CC
+ 0.3V
Receiver ............................................... – 25V to 25V
Driver/Receiver Enable Pin ........ –0.3V to V
CC
+ 0.3V
Output Voltage
Driver ................................................... –25V to 25V
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
LTC1348C................................................0°C to 70°C
LTC1348I............................................ –40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
+

C2
+

C2
–

V
CC

C1
+

C1
–

DR1 OUT
RX1 IN
DR2 OUT
RX2 IN
RX3 IN
RX4 IN
DR3 OUT
RX5 IN


28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
–

C3
+

C3
–

DR1 IN
RX1 OUT
DR2 IN
RX2 OUT
RX3 OUT
RX4 OUT
DR3 IN
RX5 OUT
DREN
RXEN
GND
TOP VIEW
SW PACKAGE
28-LEAD PLASTIC SO
G PACKAGE
28-LEAD PLASTIC SSOP
T
JMAX
= 125°C, θ
JA
= 96°C/W (G)
T
JMAX
= 125°C, θ
JA
= 85°C/W (SW)
E
LECTR
IC
AL C CHARA TERIST
ICSCD
V
CC
= 3V to 5.5V, C1 to C4 = 0.1µF, unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Any Driver
Output Voltage Swing V
CC
= 3.3V, 3k to GND Positive ● 5.0 6.2 V
Negative ● –5.0 – 6.0 V
Logic Input Voltage Level Input Low Level (V
OUT
= High) ● 0.8 V
Input High Level (V
OUT
= Low), V
CC
= 3.3V ● 2.0 V
Input High Level (V
OUT
= Low), V
CC
= 5V ● 2.4 V
Logic Input Current V
IN
= V
CC
● 5 µA
V
IN
= 0V ● –5 –35 µA
Output Short-Circuit Current V
OUT
= 0V ±12 mA
Output Leakage Current Shutdown (Note 3) or Receiver Alive Mode (Note 4), ● ±10 ±500 µA
V
OUT
= ±20V
Any Receiver
Input Voltage Thresholds Input Threshold (Receiver Alive Mode) 0.8 1.5 2.4 V
Input Low Threshold (Normal Mode) 0.8 1.3 V
Input High Threshold (Normal Mode) 1.7 2.4 V
Hysteresis Normal Mode 0.3 V
Input Resistance V
IN
= ±10V 3 5 7 kΩ
Output Voltage Output Low, I
OUT
= – 1.6mA ● 0.2 0.4 V
Output High, I
OUT
= 160µA ● V
CC
– 0.6V V
Output Short-Circuit Current Sinking Current, V
OUT
= V
CC
–3 –20 mA
Output Leakage Current Shutdown (Note 3), 0V ≤ V
OUT
≤ V
CC
● 110 µA