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ManualsBrandsLINEAR TECHNOLOGY ManualsLinear ICsLinear IC - Op-amp Programmable gain MSOP 10
11121314151617181920
LT1991
14
1991fh
V
S
–
V
S
–
V
S
+
1991 F05
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
V
S
–
V
S
+
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
V
IN
V
IN
V
IN
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
EE
REF
LT1991
8
9
10
1
2
3
7
6
5
4
GAIN = 1 GAIN = 2 GAIN = 3.25
GAIN = 4 GAIN = 5 GAIN = 5.5
GAIN = 7 GAIN = 10
GAIN = 13 GAIN = 14
GAIN = 11
Figure 5. Some Implementations of Classical Noninverting
Gains Using the LT1991. High Input Z Is Maintained
APPLICATIONS INFORMATION