Datasheet

2
LT1785/LT1785A
LT1791/LT1791A
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
(Note 1)
Operating Temperature Range
LT1785C/LT1791C/
LT1785AC/LT1791AC ............................. 0°C to 70°C
LT1785I/LT1791I/
LT1785AI/LT1791AI .......................... –40°C to 85°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Supply Voltage (V
CC
) .............................................. 18V
Receiver Enable Input Voltage .................... –0.3V to 6V
Driver Enable Input Voltage ........................ –0.3V to 6V
Driver Input Voltage.................................. –0.3V to 18V
Receiver Input Voltage............................... –60V to 60V
Driver Output Voltage ............................... – 60V to 60V
Receiver Output Voltage ................ –0.3V to (V
CC
+ 6V)
WU
U
PACKAGE
/
O
RDER I FOR ATIO
ORDER PART
NUMBER
LT1791CN
LT1791CS
LT1791IN
LT1791IS
LT1791ACN
LT1791ACS
LT1791AIN
LT1791AIS
ORDER PART
NUMBER
LT1785CN8
LT1785CS8
LT1785IN8
LT1785IS8
LT1785ACN8
LT1785ACS8
LT1785AIN8
LT1785AIS8
T
JMAX
= 150°C, θ
JA
= 130°C/ W (N8)
T
JMAX
= 150°C, θ
JA
= 150°C/W (S8)
1
2
3
4
8
7
6
5
TOP VIEW
V
CC
B
A
GND
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
R
D
RO
RE
DE
DI
TOP VIEW
N PACKAGE
14-LEAD PDIP
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
RO
RE
DE
DI
GND
GND
V
CC
NC
A
B
Z
Y
NC
R
D
T
JMAX
= 150°C, θ
JA
= 130°C/W (N)
T
JMAX
= 150°C, θ
JA
= 150°C/W (S)
S8 PART MARKING
1785
1785I
1785A
1785AI
Consult factory for parts specified with wider operating temperature ranges.