46
Supplemental Characteristics
for all model numbers
DC Floating Voltage: Output terminals can
be floated up to ±240 Vdc from chassis
ground
Remote Sensing: Up to half the rated output
voltage can be dropped in each load lead.
The drop in the load leads subtracts from
the voltage available for the load.
Command Processing Time: Average time
required for the output voltage to begin to
change following receipt of digital data is
20 ms for the power supplies connected
directly to the GPIB
Output Programming Response Time:
The rise and fall time (10/90% and 90/10%)
of the output voltage is less than 15 ms.
The output voltage change settles within
1 LSB (0.025% x rated voltage) of final
value in less than 60 ms.
Down Programming: An active down
programmer sinks approximately 20%
of the rated output current
Modulation: (Analog programming of
output voltage and current)
Input signal: 0 to –5 V
Input impedance: 10 k Ohm nominal
AC Input: (AC input frequency 47 to 63 Hz)
Voltage 100 Vac 120 Vac 220 Vac 240 Vac
Current 12 A 10 A 5.7 A 5.3 A
Input Power: 1,380 VA, 1,100 W at full load;
120 W at no load
GPIB Interface Capabilities: SH1, AH1, T6,
L4, SR1, RL1, PP0, DC1, DT1, E1, and C0.
IEEE-488.2 and SCPI-compatible com-
mand set.
Software Driver:
•IVI-COM
•VXIPlug&Play
Regulatory Compliance: Listed to UL 1244;
conforms to IEC 61010-1.
Size: 425.5 mm W x 132.6 mm H x
497.8 mm D (16.75 in x 5.22 in x 19.6 in)
Weight: Net, 25 kg (54 lb); shipping,
28 kg (61 lb)
Warranty Period: One year
Single-Output: 500 W GPIB (Continued)
Specifications
(at 0
˚
to 55
˚
C unless
otherwise specified)
6654A- 6654A- 6654A- 6655A- 6655A-
J04 J05 J12 J05 J10
Special Order Special Order Special Order Special Order Special Order
Option Option Option Option Option
Number of outputs 11111
GPIB Yes Yes Yes Yes Yes
Output ratings
Output voltage 70 V 50 V 80 V 150 V 156 V
Output current (40
˚
C) 7.5 A 10 A 6 A 3.2 A 3 A
Maximum current (50
˚
C/55
˚
C)
6.75 A/6.37 A 9 A/8.5 A 5.4 A/5.1 A 2.88 A/2.72 A 2.7 A/2.55 A
Programming accuracy
at 25
˚
C ±5
˚
C
Voltage 0.06% + 30 mV 26 mV 35 mV 64 mV 71 mV
Current 0.15% + 7 mA 9 mA 7 mA 3.5 mA 4 mA
Ripple and noise
from 20 Hz to 20 MHz
Voltage rms 600 µV 500 µV 700 µV 800 µV 900 µV
peak-peak 6 mV 5 mV 7 mV 8 mV 8 mV
Current rms 5 mA 4 mA 3 mA 2 mA 3 mA
Readback accuracy at 25˚C ±5˚C
(percent of reading plus fixed)
System models only
Voltage 0.07% + 50 mV 40 mV 58 mV 100 mV 110 mV
+Current 0.15% + 6 mA 8 mA 6 mA 2.5 mA 3 mA
–Current 0.35% + 13 mA 17 mA 16 mA 6.5 mA 7.5 mA
Load regulation
Voltage 4 mV 4 mV 4 mV 6 mV 7 mV
Current 0.5 mA 0.5 mA 0.5 mA 0.5 mA 1 mA
Line regulation
Voltage 1 mV 1 mV 4.5 mV 2 mV 2 mV
Current 0.5 mA 0.5 mA 0.5 mA 0.5 mA 1 mA
Transient response time Less than 100 µs for the output voltage to recover to its previous level
(within 0.1% of the voltage rating of the supply or 20 mV, whichever is greater)
following any step change in load current of up to 50% of rated current
Supplemental Characteristics (Non-warranted characteristics determined by design and
useful in applying the product)
Average resolution
Voltage 17.5 mV 15 mV 20 mV 37.5 mV 39.5 mV
Current 1.9 mA 2.75 mA 1.7 mA 8 mA 8 mA
OVP 110 mV 93 mV 130 mV 240 mV 250 mV
OVP accuracy 1.4 V 1.2 V 1.6 V 3 V 3.3 V
More detailed specifications at
www.agilent.com/find/6650
High Performance DC Power Supplies speed and accuracy for test optimization
(349 pages)
(68 pages)
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