LT1991 Linear Technology, LT1991 Datasheet - Page 23

• Manufacturer Part Number: LT1991
• Description: Precision / 100uA Gain Selectable Amplifier
• Manufacturer: Linear Technology

APPLICATIONS INFORMATION
V
V
V
V
IN
IN
IN
IN
–
+
–
+
V
V
V
V
IN
IN
IN
IN
2.5V
2.5V
–
+
–
+
2.5V
10
10
10
10
8
9
1
2
3
8
9
1
2
3
8
9
1
2
3
8
9
1
2
3
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
V
Figure 16. Common Mode Ranges for Various LT1991 Confi gurations on V
V
CM
V
CM
CM
V
CM
= –18.5V TO 20.7V
V
V
LT1991
V
LT1991
V
LT1991
LT1991
= –14V TO 16.8V
= –0.5V TO 5.1V
EE
EE
EE
EE
= –5V TO 9V
4
4
4
4
V
V
V
V
5V
5V
5V
5V
CC
CC
CC
CC
7
7
7
7
REF
REF
REF
REF
5
5
5
5
OUT
OUT
OUT
OUT
2.5V
2.5V
2.5V
2.5V
6
6
6
6
V
V
V
V
OUT
OUT
OUT
OUT
V
V
V
V
IN
IN
IN
IN
–
+
–
+
V
V
V
V
IN
IN
IN
IN
–
+
–
+
10
10
10
10
8
9
1
2
3
8
9
1
2
3
8
9
1
2
3
8
9
1
2
3
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
V
V
V
CM
CM
V
CM
CM
V
V
V
V
LT1991
V
LT1991
LT1991
LT1991
= 11.5V TO 50.7V
= 2.5V TO 16.5V
= 8.5V TO 39.3V
EE
EE
EE
DM
EE
= 2V TO 7.6V
4
4
4
4
V
V
V
V
5V
5V
5V
5V
> 40mV
CC
CC
CC
CC
7
7
7
7
REF
REF
REF
REF
5
5
5
5
OUT
OUT
OUT
OUT
2.5V
2.5V
2.5V
6
6
6
6
V
V
V
V
OUT
OUT
OUT
OUT
V
V
V
V
IN
IN
S
IN
IN
–
+
–
+
= 5V, 0V; with Gain = 1
V
V
V
V
IN
IN
IN
IN
–
+
–
+
5V
5V
5V
10
10
10
10
8
9
1
2
3
8
9
1
2
3
8
9
1
2
3
8
9
1
2
3
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
M9
M3
M1
P1
P3
P9
V
V
V
CM
CM
CM
V
www.DataSheet4U.com
CM
= –36.5V TO –5.7V
= –48.5V TO –9.3V
V
V
V
V
V
LT1991
LT1991
LT1991
LT1991
= –12.5V TO 1.5V
DM
EE
EE
EE
EE
= –3V TO 2.6V
4
4
4
4
V
V
V
V
5V
5V
5V
<–40mV
5V
CC
CC
CC
CC
7
7
7
7
REF
REF
REF
REF
3V
5
5
5
5
OUT
OUT
OUT
OUT
LT1991
2.5V
2.5V
2.5V
6
6
6
6
V
V
V
23
V
OUT
OUT
OUT
OUT
1991 F16
1991fg