specification notice lt1780/lt1781 august 1998 for further information regarding this specification notice contact: linear technology corporation 1630 mccarthy blvd. milpitas, california 95035-7417 attn: product marketing manager phone: (408) 432-1900 sn17801 ?1998 lt/hp 0898 ? printed in usa the lt ? 1780/lt1781 data sheet has been modified to include the operating temperature range of C 40 c to 85 c. the electrical characteristics are the same as the commercial temperature versions. the order numbers are shown below in bold . for complete specifications, typical performance curves and applications information, please see the lt1780/lt1781 data sheet. , ltc and lt are registered trademarks of linear technology corporation. absolute m axi m u m ratings w ww u operating temperature range commercial ........................................... 0 c to 70 c industrial ............................... C40 c to 85 c package/order i n for m atio n w u u order part number order part number 1
2
3
4
5
6
7
8
9 top view 18
17
16
15
14
13
12
11
10
nc
c1 +
v +
c1
c2 +
c2
v
tr2 out
rec2 in n package
18-lead pdip on/off
v cc
gnd
tr1 out
rec1 in
rec1 out
tr1 in
tr2 in
rec2 out sw package
18-lead plastic so 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 pdip s package
16-lead plastic so sw package
16-lead plastic so lt1781cn lt1781cs lt1781csw lt1781in lt1781is lt1781isw lt1780cn lt1780csw lt17801in lt1780isw
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