Datasheet

14
®
INA133, INA2133
FIGURE 20. Differential Input Data Acquisition.
5
6
1
INA133
ADS7806
2
3
4
7
+5V
V
S
12 Bits
Out
0V-4V
Input
Transducer
or
Analog
Signal
–5V
Eliminates errors due to different grounds.
5
6
3
1
INA133
2
1
V
O
DG188
V
1
Logic
In
Logic In
0
1
V
O
–V
1
+V
1
V
1
Input
5
6
3
1
V
0
= |V
1
|
INA133
2
R
4
R
3
R
1
R
2
OPA130
10pF
D
1
D
2
R
5
2k
Ω
FIGURE 21. Digitally Controlled Gain of ±1 Amplifier.
FIGURE 22. Precision Absolute Value Buffer.