INA282, INA283
INA284, INA285
INA286
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SBOS485A –NOVEMBER 2009–REVISED JULY 2010
Splitting an External Reference
In this case, an external reference is divided by 2 with an accuracy of approximately 0.5% by connecting one
REF pin to ground and the other REF pin to the reference (as Figure 38 illustrates).
Supply
-14V to +80V
Load
V+
+IN
-IN
V+
Æ1
Æ2
Æ2
Æ1
Æ2
Æ2
Æ1
Æ1
OUT
ZerÆ-
Drift
Output
GAIN
PRODUCT
50V/V
INA282
INA286
INA283
INA284
INA285
33.3kW
33.3kW
REF02
100V/V
200V/V
500V/V
1000V/V
REF2
REF1
5V
Reference
GND
Figure 38. Split Reference Output
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