INA133
INA133
2
5
2
5
6
VO = 2 • V1
1
3
6
V3
2
VO
=
3
V3
V1
±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
INA133
2
2
5
6
5
6
(V1 + V3)
=
VO = V1 + V3
VO
1
1
2
V1
V3
V1
±0.05% max
±0.05% max
V3
3
3
FIGURE 9. Precision Average Value Amplifier.
FIGURE 10. Precision Summing Amplifier.
INA133
2
5
R1
R2
Output
6
(1)
1
2
5
INA133
Device
VFC320 0-10kHz
VFC100 0-FCLOCK/2
DAC80 0-FS (12 bits)
DAC703 0-FS (16 bits)
XTR110 4-20mA
Output
3
Ref
6
VO
1
3
V1
V3
OPA277
For G = 10,
See INA143.
VO
=
(
1 +
)( V + V
)
R2
R1
1
3
Ref must be driven
by low impedance.
2
Voltage
Source
NOTE: (1) Unipolar Input Device.
FIGURE 11. Precision Bipolar Offsetting.
FIGURE 12. Precision Summing Amplifier with Gain.
®
11
INA133, INA2133
BB [ BURR-BROWN CORPORATION ]
