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Table 5: Values for Use with the Provided Gain of 22.28
VCM
27.5 mV max
0 V
2.5 V ±110 mV
Table 6: Gains and Resistor Values for Standard Inputs
V
V
CM
5mV max
+10 mV 0V
50mV max +100mV 0V
0.5V max
0V
±10 mV 2.5V
0V
±100 mV 2.5V
2.5V
±10 mV 2.5V
2.5V
±100 mV 2.5V
2.5V
Change R1 to change the gain on channel A, R2 to change channel
B, R7 to change channel C, and R8 to change channel D. The following
sections explain how to calculate the gain and gain resistor for other input
ranges.
10
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
VDIFF
Out Ref
+55 mV
±52 mV
2.5 V
2.5 V
Out
G
DIFF
MAX
Ref
119
12.8
+1 V 0V
2.18
118
11.8
247
24.7
±1 V 2.5V
2.47
1%
Calculated
Resistor
0 V
4.7 k
4.7 k
4.7 k
Closest 1%
Resistor
866
8.66 k
86.6 k
866
9.31 k
412
4.32 k
69.8 k
Output
Gain
Range
22.28
0.01 – 1.23 V
22.28
1.32 - 3.68 V
22.28
0.03 - 4.97 V
Calculated
Gain
116.47 0.01 - 1.16 V
12.55 0.01 - 1.25 V
2.15 0.01 - 2.18 V
116.47 1.34 - 3.66 V
11.74 1.32 - 3.67 V
243.72 0.06 - 4.94 V
24.15 0.09 - 4.91 V
2.43 0.07 - 4.93 V
SDAIBB1300 Manual
Output
Range
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