Datasheet

10
®
INA146
FIGURE 4. Noise Filtering.
FIGURE 5. Output Clamp.
FIGURE 6. Precision Clamp.
V
O
18
6
V
IN
G = 1
Pole at
106Hz
R
G1
10kΩ
10kΩ
R
G2
1MΩ
22nF
INA146
5
2
3
1500pF
Pole at
720Hz
–
V
IN
+
V
O
18
6
R
G2
10kΩ
10kΩ
Output clamps at
approximately ±4V.
1N914
1N4684 (3.3V)
INA146
5
2
3
V
IN
–
V
IN
+
V
O
1
8
6
R
G2
10kΩ
R
1
R
2
R
3
R
4
10kΩ
5.0V
or analog-to-digital V
S
0V ≤ V
O
≤ 5V
NOTE: (1) 1/2 OPA2342 with V
S
connected to +5V and GND.
Voltage
Reference
1N914
INA146
5
2
3
V
IN
–
V
IN
+
(1)
1N914
(1)