Datasheet
Examples:
10 V at 0.006 PLC: 1.2 (from Accuracy table) + 11 (additional peak noise uncertainty) = 12.2 ppm of range.
10 V at 1 PLC: 1.2 + 0 = 1.2 ppm of range.
NPLC
5
Digits
7½
100 mV
0.5
1 V
10 V
0.06
100 V
0.3
1000 V
0.06
0.08
1
7½
0.5
0.09
0.07
0.4
0.07
0.2 8
6½
2 (10)
2 (12)
3 (17)
6 (42)
30 (220)
0.2 (1.6)
0.2 (1.6)
0.4 (2.7)
3 (18)
0.1 (1.1)
0.1 (1)
0.3 (2.1)
1 (11)
1.1 (9.4)
1.1 (8.9)
3 (17)
0.1 (1)
0.2
6½
0.2 (1.1)
0.3 (2.4)
3 (18)
0.06
0.006
0.0005
5½
4½
20 (100)
120 (690)
3½
20 (150)
20 (130)
20 (150)
DC Voltage Sense Accuracy
Accuracy (ppm of reading + ppm of range)
24 Hour
TCAL 1°C
90 Day
TCAL 5°C
1 Year
TCAL 5°C
2 Year
TCAL 5°C
Temperature
Coefficient 9
Range
100.00000 mV
1.0000000 V
10.00000 V
6 + 14
12 + 14
9 + 3
18 + 14
15 + 3
29 + 14
26 + 3
0.1 + 2.5
0.1 + 0.5
0.1 + 0.05
4 + 1.5
2 + 1.0
9 + 1.8
14 + 1.8
22 + 1.8
DC Voltage Ratio
For input signals ≥1% of the range, ratio accuracy = [[VINPUT ppm of reading + VINPUT ppm of range * (VINPUT range/VINPUT input)] + [VSENSE ppm of
reading + VSENSE ppm of range * (VSENSE range/VSENSE input)]].
DC Voltage Characteristics
ADC Linearity
1.0 ppm of reading + 1.0 ppm of range.
Input Impedance
100 mV to 10 V Ranges: Selectable >10 GΩ || <400 pF (auto) or 10 MΩ 1% (10 MΩ).
100 V to 1000 V Ranges: 10 MΩ 1%.
Input Bias Current
<50 pA at 23°C under the following conditions: Autozero off or input impedance 10 MΩ.
Common Mode Current
<2.1 µA peak-peak in 1 MHz bandwidth.
<100 nA peak-peak in 1 kHz bandwidth.
Common Mode Voltage
500 Vpeak LO terminal to chassis maximum.
DC Voltage Autozero Off Error
For 1°C and ≤10 minutes, add (8 ppm of reading + 15 µV).
Normal Mode Rejection
For DC voltage, line frequency 0.1%.
5 PLC
110 dB
60 dB
1 PLC
90 dB
60 dB
≤0.2 PLC
45 dB
—
≤0.01 PLC
Line Sync On
Line Sync Off
—
—
NOTES
8. With line sync on.
9. Add per degree from TCAL 5°C.
6
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