LT1991
应用S我FOR ATIO
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -8V TO 7.6V
OUT
REF
5
6
V
OUT
V
IN =
V
IN +
V
IN =
V
IN +
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
2.5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -20V至19V
OUT
REF
5
6
V
OUT
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
V
IN =
V
IN +
V
IN =
V
IN +
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -44V TO 41.8V
–5V
OUT
REF
5
6
V
OUT
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
V
IN =
V
IN +
V
IN =
V
IN +
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -56V TO 53.2V
–5V
OUT
REF
5
6
V
OUT
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
V
IN =
V
IN +
V
IN =
V
IN +
图17.共模范围为V上各种LT1991配置
S
=
±5V,
与增益= 1
22
U
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
7
V
CC
LT1991
V
EE
4
OUT
REF
5
–5V
6
V
OUT
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
5V
7
V
CC
LT1991
V
EE
4
OUT
REF
5
–5V
6
V
OUT
V
IN =
V
IN +
–5V
V
CM
= -3V至12.6V
V
DM
>为40mV
5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -5V至34V
OUT
REF
5
6
V
OUT
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
–5V
V
CM
= -13V至2.6V
V
DM
<–40mV
5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -35V至4V
OUT
REF
5
6
V
OUT
V
IN =
V
IN +
5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= 1V至60V
OUT
REF
5
6
V
OUT
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -60V TO -3.2V
OUT
REF
5
6
V
OUT
V
IN =
V
IN +
5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= 4V至60V
OUT
REF
5
6
V
OUT
5V
8
M9
9
M3
10
M1
1
P1
2
P3
3
P9
5V
7
V
CC
LT1991
V
EE
4
–5V
V
CM
= -60V TO -6.8V
1991 F17
W
U U
V
IN =
V
IN +
OUT
REF
5
6
V
OUT
1991fb
