Datasheet

N6731B-N6792A DC Power & Load Modules
N6700C-N6705C Mainframes
Specifications Guide 41
Performance Specifications (continued)
N6781A / N6782A
N6784A
N6785A / N6786A
Measurement Accuracy @ 23 °C ±5 °C:
Applies when measuring the default value of 4883 data points with a 20.48 μs time interval.
Refer to “Measurement Accuracy and Resolution” later in this chapter for more information.
Voltage, 20 V range 0.025% + 1.2 mV 0.025% + 1.2 mV 0.025% + 1.8 mV
Voltage, 1 V range
0.025% + 75 μV
0.025% + 75 μV
-
Voltage, 100 mV range 0.025% + 50 μV 0.025% + 50 μV -
Auxiliary Voltage Measurement Input
NOTE 2
0.025% + 5 mV - 0.025% + 5 mV
Current, 8 A range - - 0.04% + 1.5 mA
Current, 3 A range 0.03% + 250 μA 0.03% + 250 μA -
Current, 100 mA range 0.025% + 10 μA 0.025% + 10 μA 0.025% + 10 μA
Current, 1 mA range
0.025% + 100 nA 0.025% + 100 nA 0.025% + 100 nA
Current, 10 μA range 0.025% + 8 nA 0.025% + 8 nA -
Load Transient Response Time in Voltage Priority mode:
Time to recover to within the settling band.
With 150μF cap (ESR=50 mΩ) at load, remote sensing at cap, 4.25' twisted pair load leads-See Service Guide for setup info.
Rise time (10% to 90%) 10 μs 10 μs 10 μs
Settling band
20 V range with a 0.8 A load step
15 V & 10 V range with a 1.4 A load step
6 V range with a 1.4 A load step
± 10 mV
-
± 20 mV
± 10 mV
-
± 20 mV
± 20 mV
NOTE 4
± 20 mV
± 20 mV
Recovery time ≤ 35 μs ≤ 35 μs ≤ 35 μs
1
Output current is derated 1% per °C above 30°C.
2
Applies to N6781A and N6785A only.
Add an additional voltage programming error of 1 mV/Ω for N6781A and 10 mV/Ω for N6785A is also present.
3
600 mV range is only available in Voltage Priority mode;
300 mA, 100 mA, 10 mA ranges are only available in Current Priority mode.
4
Applies with a 1.4 A load step.