INA133
INA133
2
2
5
5
6
1
V
1
3
V
O
= 2 • V
1
V
3
3
6
V
O
=
V
3
2
±0.05%
max
1
Gain Error = 0.025% maximum
Gain Drift = 2ppm/°C
FIGURE 7. Precision Gain = 2 Amplifier.
FIGURE 8. Precision Gain = 1/2 Amplifier.
INA133
2
INA133
5
2
5
6
V
1
1
V
O
=
(V
1
+ V
3
)
2
6
V
1
1
V
O
= V
1
+ V
3
±0.05%
max
±0.05%
max
3
V
3
V
3
3
FIGURE 9. Precision Average Value Amplifier.
FIGURE 10. Precision Summing Amplifier.
2
INA133
5
R
1
6
1
Output
(1)
R
2
2
5
INA133
3 Ref
Device
VFC320
VFC100
DAC80
DAC703
XTR110
Output
0-10kHz
0-F
CLOCK
/2
0-FS (12 bits)
0-FS (16 bits)
4-20mA
6
V
1
1
V
O
OPA277
Ref must be driven
by low impedance.
NOTE: (1) Unipolar Input Device.
V
3
3
V
O
= 1 +
(
R
2
R
1
)(
V
1
+ V
3
2
)
For G = 10,
See INA143.
Voltage
Source
FIGURE 11. Precision Bipolar Offsetting.
11
FIGURE 12. Precision Summing Amplifier with Gain.
®
INA133, INA2133
BURR-BROWN [ BURR-BROWN CORPORATION ]
