Measurement Computing miniLAB 1008 User Manual page 70

miniLAB 1008 User's Guide
Parameter
Integral linearity error
Differential linearity error
Repeatability
CAL current
Trigger Source
Input current is a function of applied voltage on the analog input channels. For
Note 1:
a given input voltage, Vin, the input leakage is approximately equal to
(8.181*Vin-12) µA.
The AD7870 converter only returns 11-bits (0-2047 codes) in single-ended
Note 2:
mode.
Range
±20 V
±10 V
±5 V
±4 V
±2.5 V
±2 V
±1.25 V
±1 V
Range
±10 V
Table 6-3. Accuracy components, differential mode - All values are (±)
Range
±20 V
±10 V
±5 V
±4 V
±2.5 V
±2 V
±1.25 V
±1 V
Table 6-1. Accuracy, differential mode
Accuracy (LSB)
5.1
6.1
8.1
9.1
12.1
14.1
20.1
24.1
Table 6-2. Accuracy, single-ended mode
Accuracy (LSB)
4.0
% of Gain Error
Reading at FS (mV)
0.2 40
0.2 20
0.2 10
0.2 8
0.2 5
0.2 4
0.2 2.5
0.2 2
Conditions
Source
Sink
Software selectable
Offset (mV)
9.766
9.766
9.766
9.766
9.766
9.766
9.766
9.766
6-2
Specification
±1 LSB typ
±0.5 LSB typ
±1 LSB typ
5 mA max
20 µA min, 200 nA typ
External Digital: DIO0-DIO3
Accuracy at FS (mV)
49.766
29.766
19.766
17.766
14.766
13.766
12.266
11.766
Specifications