Datasheet
LT1178/LT1179
2
11789fb
Supply Voltage ...................................................... ±22V
Differential Input Voltage ....................................... ±30V
Input Voltage ............... Equal to Positive Supply Voltage
Input Voltage ............5V Below Negative Supply Voltage
Output Short-Circuit Duration .......................... Indefinite
Consult LTC Marketing for parts specified with wider operating temperature ranges. Please note that the LT1178S8 surface mount pinout differs from that
of the LT1178 standard plastic or ceramic dual-in-line packages. For similiar performance with standard pinout, see the LT2178.
(Note 1)
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
Operating Temperature Range
LT1178I/LT1179I .................................. –40°C to 85°C
LT1178C/LT1178S/LT1179C/LT1179S .......0°C to 70°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
LT1178ACH
LT1178CH
ORDER PART
NUMBER
LT1178ACN8
LT1178CN8
LT1178IN8
LT1178ACJ8
LT1178CJ8
LT1179ACN
LT1179CN
LT1179IN
LT1179ACJ
LT1179CJ
LT11778/1179 • POI01
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
OUT A
–IN A
+IN A
V
+
+IN B
–IN B
OUT B
NC
OUT D
–IN D
+IN D
V
–
+IN C
–IN C
OUT C
NC
ORDER PART
NUMBER
LT1178SW
LT1179SW
ORDER PART
NUMBER
ORDER PART
NUMBER
ORDER PART
NUMBER
TOP VIEW
OUT B
V
+
OUT A
–IN A
–IN B
IN A + IN B
V
–
(CASE)
8
7
5
3
2
1
4
H PACKAGE
8-LEAD TO-5 METAL CAN
A
+
–
+
–
B
1
2
3
4
8
7
6
5
TOP VIEW
OUT A
–IN A
+IN A
V
–
V
+
OUT B
–IN B
+IN B
N PACKAGE
8-LEAD PDIP
B
-
+
A
-
+
1
2
3
4
5
6
7
TOP VIEW
J PACKAGE 14-LEAD CERAMIC DIP
N PACKAGE
14-LEAD PDIP
14
13
12
11
10
9
8
OUT A
–IN A
+IN A
V
+
+IN B
–IN B
OUT B
OUT D
–IN D
+IN D
V
–
+IN C
–IN C
OUT C
D
-
+
A
-
+
C
+
-
B
+
-
S8 PACKAGE
8-LEAD PLASTIC SO
T
JMAX
= 150°C, θ
JA
= 200°C/W
PART
MARKING
LT1178S8
1178
J PACKAGE 8-LEAD CERDIP
OBSOLETE PACKAGE
Consider the N8 or S8 Package for Alternate Source
OBSOLETE PACKAGE
Consider the N14 Package for Alternate Source
SW PACKAGE
16-LEAD PLASTIC SO WIDE
1
2
3
4
8
7
6
5
TOP VIEW
–IN A
OUT A
V
+
OUT B
+IN A
V
–
+IN B
–IN B
SW PACKAGE
16-LEAD PLASTIC SO WIDE
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
NC
NC
OUT A
–IN A
+IN A
V
–
NC
NC
NC
NC
V
+
OUT B
–IN B
+IN B
NC
NC
LT1178
LT1179
T
JMAX
= 100°C, θ
JA
= 150°C/W
T
JMAX
= 150°C, θ
JA
= 90°C/W
T
JMAX
= 150°C, θ
JA
= 90°C/W
T
JMAX
= 110°C, θ
JA
= 130°C/W
Not Recommended. Use LT1178S8 for
New Designs.
A
-
+
B
-
+
ELECTRICAL CHARACTERISTICS
V
S
= 5V, 0V; V
CM
= 0.1V, V
O
= 1.4V, T
A
= 25°C, unless noted.
LT1178AC/LT1179AC LT1178I/C/S/LT1179I/C/S
SYMBOL PARAMETER CONDITIONS (NOTE 2) MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1178 30 70 40 120 µV
LT1179 35 100 40 150 µV
LT1178SW 80 450 µV
LT1179SW 90 600 µV
LT1178S8 60 180 µV
∆V
OS
Long Term Input Offset 0.5 0.6 µV/Mo
∆Time Voltage Stability
I
OS
Input Offset Current 0.05 0.25 0.05 0.35 nA