General Information 31
Table 1-3b. Supplemental Characteristics for Series 667xA1
Parameter Agilent Model Number
6671A 6672A 6673A 6674A 6675A
Output Programming Range (maximum programmable values)
Voltage: 8.190 V 20.475 V 35.831 V 61.425 V 122.85 V
Current: 225.23 A 102.37 A 61.43 A 35.83 A 18.43 A
Overvoltage Protection (OVP):
10.0 V 24.0 V 42.0 V 72.0 V 144.0 V
Typical Resolution
Voltage: 2 mV 5 mV 10 mV 15 mV 30 mV
Current: 55 mA 25 mA 15 mA 8.75 mA 4.5 mA
Overvoltage Protection (OVP):
15 mV 35 mV 65 mV 100 mV 215 mV
Accuracy ( @ calibration temp ±5 °C)*
Overvoltage Protection (OVP):* 200 mV 500 mV 900 mV 1.15 V 3.0 V
Analog Programming (VP): ± 0.3%
Analog Programming (IP): ± 7%
Current Monitor (+IM): ±7%
*Calibration temp = 25° C
Drift Temperature Stability (following a 30-minute warmup, change in output over eight hours under constant line,
load, and ambient temperature)
Voltage: 0.02% + 0.24 mV 0.6 mV 1 mV 1.8 mV 3.6 mV
Current: 0.02% + 69 mA 35 mA 20 mA 10 mA 6 mA
Temperature Coefficients (change per °C after 30-minute warmup)
Voltage: 50 ppm + 0.04 mV 0.2 mV 0.7 mV 1.2 mV 2.4 mV
Current: 75 ppm + 25 mA 12 mA 7 mA 4 mA 2 mA
Voltage Readback: 60 ppm + 0.1 mV 0.3 mV 1 mV 1.2 mV 3 mV
±Current Readback: 85 ppm + 30 mA 15 mA 9 mA 5 mA 2.5 mA
Overvoltage Protection (OVP):
200 ppm + 1.8 mV 5 mV 8 mV 13 mV 25 mV
Analog Programming (VP):
60 ppm + 0.1 mV 0.3 mV 0.5 mV 0.7 mV 1.5 mV
Analog Programming (±IP):
275 ppm + 26 mA 14 mA 9 mA 5 mA 3 mA
Current Monitor (+IM):
50 ppm + 3 mA 2 mA 1 mA 0.6 mA 0.3 mA
Maximum Input VA and Power 3800 VA; 2600 W, 100 W with no load
Maximum AC Line Current Ratings
200 Vac
nominal:
230 Vac
nominal:
19 A rms (25 AM fuse)
19 A rms (25 AM fuse)
Maximum Reverse Bias Current: With AC input power applied and the dc output reverse biased by an
external dc source, the supply will continuously withstand without damage a
current equal to its output current rating (see Table 1-3a).
Notes: 1For Performance Specifications, see Table 1-3a.