Datasheet

LT1991
22
1991fh
Figure 15. Common Mode Ranges for Various LT1991 Configurations on V
S
= 3V, 0V; with Gain = 1
3V
1991 F15
M9
M3
M1
P1
P3
P9
OUT
V
CC
V
OUT
V
IN
–
V
IN
+
V
IN
–
V
IN
+
V
IN
–
V
IN
+
V
IN
–
V
IN
+
V
EE
3V
3V
3V 3V
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
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
V
CM
= 0.8V TO 2.35V
V
CM
= 0V TO 4V
V
CM
= 2V TO 3.6V
V
DM
> 40mV
V
CM
= –1V TO 0.6V
V
DM
<–40mV
1.25V
1.25V
1.25V
1.25V
V
IN
–
V
IN
+
3V
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
V
CM
= 3.8V TO 7.75V
1.25V
V
IN
–
V
IN
+
3V
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
V
CM
= –1.5V TO 7.2V
1.25V
V
IN
–
V
IN
+
3V
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
V
CM
= 9.8V TO 18.55V
1.25V
V
IN
–
V
IN
+
3V
3V
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
V
CM
= –17.2V TO –8.45V
1.25V
1.25V
V
IN
–
V
IN
+
3V
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
V
CM
= –2.25V TO 8.95V
1.25V
V
IN
–
V
IN
+
3V
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
V
CM
= 12.75V TO 23.95V
1.25V
V
IN
–
V
IN
+
3V
3V
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
V
CM
= –23.2V TO –12V
1.25V
V
IN
–
V
IN
+
3V
3V
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
V
CM
= –5V TO –1.25V
1.25V
APPLICATIONS INFORMATION