N6781A, N6782A

N6784A

N6785A, N6786A

DC output ratings:

Voltage

+ 20 V/6V

20 V / 6 V

20 V/15 V/10 V/6 V

Current (derated 1% per °C above 30°C)

±1A/± 3 A

± 1 A / ±3 A

±4 A/±5 A/±6.7 A/±8 A

Power

20 W

20 W

80 W

Output voltage ripple & noise (PARD): (from 20 Hz – 20 MHz, at full load)

CV peak-to-peak

12 mV

12 mV

15 mV

CV rms

1.2 mV

1.2 mV

1.5 mV

Load effect (load regulation):

(For any load change, based on a load lead drop 1.0 V. The load lead drop reduces the maximum available voltage at the load.)

Voltage, 20 V, 15 V, 10 V, & 6 V ranges

700 µV, N/A, N/A, 400 µV

700 µV, N/A, N/A, 400 µV

700 µV

Current, 3 A, 1 A, & 300 mA ranges

100 μA, 50 μA

100 μA, 50 μA

N/A

Current, 8 A, 6.7 A, 5 A, & 4 A ranges

-

-

400 µA

Programming accuracy: (At 23 °C ±5 °C after 30 min. warm-up. Applies from minimum to maximum programming range at any load.)

Voltage, 20 V range

0.025% + 1.8 mV

0.025% + 1.8 mV

0.025% + 1.8 mV

Voltage, 15 V & 10 V ranges

-

-

0.025% + 1.8 mV

Voltage, 6 V range

0.025% + 600 μV

0.025% + 600 μV

0.025% + 1.8 mV

Voltage, 600 mV range

0.025% + 200 μV

0.025% + 200 μV

-

Current, 8 A, 6.7 A, 5 A, & 4 A ranges

-

-

0.04% + 1.5 mA

Current, 3 A & 1 A range

0.04% + 300 μA

0.04% + 300 μA

-

Current, 300 mA range

0.03% + 150 μA

-

-

Current, 100 mA range

-

0.03% + 12 μA

-

Current, 10 mA range

-

0.025% + 5 μA

-

Resistance (in 20 V output range)

0.1% + 3 mΩ

-

0.1% + 1 mΩ

Resistance for 15 V & 10 V ranges

-

-

0.1% + 1 mΩ

Resistance (in 6 V output range)

0.1% + 1.5 mΩ

-

0.1% + 1 mΩ

Measurement accuracy: (at 23 °C ±5 °C)

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

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 150 μF cap (ESR=50 mΩ) at load, remote sensing at cap, 4.25’ twisted pair load leads - See Service Guide for setup information.

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

± 20 mV

± 20 mV

Recovery time

≤ 35 μs

≤ 35 μs

≤ 35 μs

N6781A/82A/84A Performance Specifications

This is an abbreviated list of specifications and characteristics. For the full list of specifications and characteristics,

please see Chapter 5 in the Keysight N6700 Series Power Modules Specifications Guide, literature number N6700-90001

(http://literature.cdn.keysight.com/litweb/pdf/N6700-90001.pdf)

6 | Keysight | N6780 Series Source/Measure Units (SMUs) for the N6700 Modular Power System - Data Sheet