Datasheet

8
®
INA154
The INA154 can be combined with op amps to form a complete instru-
mentation amplifier with specialized performance characteristics. Burr-
Brown offers many complete high performance IAs. Products with related
performances are shown at the right.
SIMILIAR COMPLETE
A
1
, A
2
FEATURE BURR-BROWN IAs
OPA227 Low Noise INA103
OPA129 Ultra Low Bias Current (fA) INA116
OPA277 Low Offset Drift, Low Noise INA114, INA128
OPA2134 FET Input (pA) INA111, INA121
FIGURE 5. Boosting Output Current.
FIGURE 6. Pseudoground Generator.
FIGURE 4. Precision Instrumentation Amplifier.
5
6
1
3
INA154
2
V
1
V
O
A
2
A
1
R
2
R
2
R
1
–In
V
2
+In
V
O
= (1 + 2R
2
/R
1
) (V
2
–V
1
)
V
1
V
2
5
6
1
3
V
0
= V
1
+ V
2
INA154
2
FIGURE 3. Precision Summing Amplifier.
5
6
1
INA154
BUF634
2
3
V
O
R
L
–In
+In
(Low I
Q
mode)
BUF634 inside feedback
loop contributes no error.
5
6
2
(V+)/2
INA154
V+
1
7
4
V+
GroundGround
3