Datasheet
N6731B-N6792A DC Power & Load Modules
N6700C-N6705C Mainframes
44 Specifications Guide
Supplemental Characteristics (continued)
N6781A / N6782A
N6784A
N6785A / N6786A
Voltage Measurement Noise:
(peak value)
20 V range
1 V range
100 mV range
3 mV
250 μV
50 μV
3 mV
250 μV
50 μV
2.9 mV
-
-
Voltage Measurement Settling Time:
(All ranges)
Settling Time with no range change 40 μs 40 μs 35 μs
Voltage Measurement Small Signal Bandwidth:
(All ranges)
–3 db typical with seamless ranging Off
with seamless ranging On
DC to 30 kHz
DC to 27 kHz
DC to 30 kHz
-
DC to 30 kHz
-
–1 db typical with seamless ranging Off
with Seamless ranging On
DC to 17 kHz
DC to 15 kHz
DC to 17 kHz
-
DC to 17 kHz
-
Voltage Priority Transient Characteristic:
(Time to recover to within the settling band)
At the specified bandwidth, 6 V range only, with remote sensing at load cap, 4.25' twisted pair load leads.
Compensation setting
Low
High1
High2
High3
Low
High1
High2
High3
Low
High1
High2
High3
Settling band. 40 mV
50 mV
30 mV
20 mV
40 mV
50 mV
30 mV
20 mV
40 mV 50 mV 30 mV 20 mV
CC Load Step 0.2 A 0.2 A 0.5 A 1.4 A 0.2 A 0.2 A 0.5 A 1.4 A 0.2 A 0.2 A 0.5 A 1.4 A
Rise Time from 10% to 90% of step 10 μs 5 μs 5 μs 10 μs 10 μs 5 μs 5 μs 10 μs 10 μs 5 μs 5 μs 10 μs
Recovery time
with no load cap
with 1μF load cap (ESR=50 mΩ)
with 6.8μF load cap (ESR=50 mΩ)
with 150μF load cap (ESR=50 mΩ)
30 μs
-
-
140 μs
10 μs
20 μs
-
-
-
10 μs
25 μs
-
-
-
15 μs
35 μs
30 μs
-
-
140 μs
10 μs
20 μs
-
-
-
10 μs
25 μs
-
-
-
15 μs
35 μs
40 μs
-
-
150 μs
12 μs
20 μs
-
-
-
12 μs
14 μs
-
-
-
15 μs
25 μs
Maximum peak voltage deviation
with no load cap
with 1μF load cap (ESR=50 mΩ)
with 6.8μF load cap (ESR=50 mΩ)
with 150μF load cap (ESR=50 mΩ)
180 mV
-
-
45 mV
200 mV
260 mV
-
-
-
140 mV
140 mV
-
-
-
60 mV
45 mV
180 mV
-
-
45 mV
200 mV
260 mV
-
-
-
140 mV
140 mV
-
-
-
60 mV
45 mV
250mV
-
-
65 mV
260mV
290mV
-
-
-
140mV
140mV
-
-
-
60 mV
45 mV
Auxiliary Voltage Measurement Input:
NOTE 1
Differential input resistance
Maximum conversion rate
Maximum voltage from common
Maximum continuous input without damage
10 MΩ
100k samples/second
± 240 VDC
± 60 V
-
-
-
-
10 MΩ
100k samples/second
± 240 VDC
± 60 V
Over-Voltage Protection:
Accuracy
Maximum setting
Response time
NOTE 3
Programmable delay range & default value
0.05% + 20 mV
24 V
<30 µs
30 to 272 µs; 30 µs
0.05% + 20 mV
24 V
<30 µs
30 to 272 µs; 30 µs
0.05% + 20 mV
24 V
<30 µs
30 to 272 µs; 30 µs
Source Effect (Line regulation):
Voltage, all ranges
Current, all ranges
300 μV
60 μA
300 μV
60 μA
100 μV
100 μA
Current Programming Speed & Settling Time:
Rise Time from 10% to 90% of step
8 A range with a 0-8 A step
3 A range with a 0-3 A step
1 A range with a 0-1 A step
300 mA range with a 0-300 mA step
100 mA range with a 0-100 mA step
10 mA range with a 0-10 mA step
-
2.8 μs
3.2 μs
3.5 μs
-
-
-
2.8 μs
3.2 μs
-
4 μs
5 μs
3.0 μs
-
-
-
-
-