Technical data
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14 AGILENT SYSTEM dc POWER SUPPLIES
Single-Output: 200 W
Linear output regulation
Fast up- and down-programming
SCPI (Standard Commands for Programmable Instruments)
Complete front-panel control calibration and display
Remote programming and sensing
Fan-speed control to minimize acoustic noise
Low ripple and noise
Over-voltage and over-current protection
Serial link connects up to 16 units to one HP-IB address
VXI
plug&play
drivers
(at 0˚ to 55˚ C unless otherwise specified)
GPIB Interface Capabilities
SH1, AH1, T6, L4, SR1, RL1, PP0, DC1,
DT1, E1, and C0. IEEE-488.2 and SCPI-compatible
command set
Voltage 100 Vac 120 Vac 220 Vac 240 Vac
Current 4.4 A 3.8 A 2.2 A 2.0 A
Input Power: 480 VA, 400 W at full load; 60 W at no load
Ordering Information
Standard: 104 to 127 Vac, 47 to 63 Hz
Opt 100 87 to 106 Vac, 47 to 63 Hz $0
Opt 220
191 to 233 Vac, 47 to 63 Hz $0
Opt 240 209 to 250 Vac, 47 to 63 Hz $0
*Opt 908 Rack-mount Kit (p/n 5063-9212) +$36
*Opt 909 Rack-mount Kit w/ Handles (p/n 5063-9219)+$82
Opt 910 Service Manual, extra Operating Guide and
Programming Guide
*
Support rails required
Accessories
p/n 1494-0060 Accessory Slide Kit $115
p/n 1252-3698 7-pin Analog Plug $20
p/n 1252-1488 4-pin Digital Plug $10
p/n 5080-2148 Serial Link Cable 2 m (6.6 ft) $12
E3663AC Support rails for Agilent rack cabinets
6641A
6642A
6643A
6644A
6645A
Regulatory Compliance: Complies with UL 3111-1, IEC 61010-1.
Size: 425.5 mm W x 88.1 mm H x 439 mm D (16.75
in x 3.5 in x 17.3 in)
See page 54 for more details.
Weight: Net, 14.2 kg (31.4 lb); shipping, 16.3 kg (36 lb)
Warranty Period: Three years
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 volt-
age 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)
A
B
C
D
E
System
dc Power
Supplies
6641A - 6645A
SPECIFICATIONS
6641A 6642A 6643A 6644A 6645A
Output ratings Output voltage 0 to 8 V 0 to 20 V 0 to 35 V 0 to 60 V 0 to 120 V
Output current (40˚ C) 0 to 20 A 0 to 10 A 0 to 6 A 0 to 3.5 A 0 to 1.5 A
Maximum current (50˚ C/55˚ C) 18 A/17 A 9 A/8.5 A 5.4 A/5.1 A 3.2 A/3 A 1.4 A/1.3 A
Programming accuracy
Voltage 0.06% + 5 mV 10 mV 15 mV 26 mV 51 mV
at 25˚C ±5˚C Current 0.15% + 26 mA 13 mA 6.7 mA 4.1 mA 1.7 mA
Ripple and noise Voltage rms 300 µV 300 µV 400 µV 500 µV 700 µV
from 20 Hz to 20 MHz peak-peak 3 mV 3 mV 4 mV 5 mV 7 mV
Current rms 10 mA 5 mA 3 mA 1.5 mA 1 mA
Readback accuracy Voltage 0.07% + 6 mV 15 mV 25 mV 40 mV 80 mV
at 25˚C ±5˚C (percent +Current 0.15% + 18 mA 9.1 mA 5 mA 3 mA 1.3 mA
of reading plus fixed) -Current 0.35% + 40 mA 20 mA 12 mA 6.8 mA 2.9 mA
Load regulation Voltage 1 mV 2 mV 3 mV 4 mV 5 mV
Current 1 mA 0.5 mA 0.25 mA 0.25 mA 0.25 mA
Line regualtion Voltage 0.5 mV 0.5 mV 1 mV 1mV 2 mV
Current 1 mA 0.5 mA 0.25 mA 0.25 mA 0.25 mA
Transient Less than 100 µs for the output voltage to recover to its previous level (within 0.1% of the voltage rating of the supply
response time 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 2 mV 5 mV 10 mV 15 mV 30 mV
Current 6 mA 3 mA 2 mA 1.2 mA 0.5 mA
OVP 13 mV 30 mV 54 mV 93 mV 190 mV
OVP accuracy 160 mV 400 mV 700 mV 1.2 V 2.4 V