General Information
32
Table 1-4b. Supplemental Characteristics for Series 668xA
1
Parameter
Agilent Model Number
6680A
6681A
6682A
6683A
6684A
Ripple & Noise
(from 20 Hz to 20 MHz with outputs ungrounded, or with either output terminal grounded)
Constant Current:**
rms
**With load inductance > 5
µ
H.
290 mA
190 mA
40 mA
28 mA
23 mA
Output Programming Range
(maximum programmable values)
Voltage:
5.125 V
8.190 V
21.50 V
32.8 V
41.0 V
Current:
895 A
592 A
246 A
164 A
131 A
Overvoltage Protection (OVP):
6.25 V
10.0 V
26.3 V
40.0 V
50.0 V
Typical Resolution
Voltage:
1.35 mV
2.15 mV
5.7 mV
8.6 mV
10.8 mV
Current:
235 mA
155 mA
64 mA
43 mA
34 mA
Overvoltage Protection (OVP):
30 mV
45 mV
120 mV
180 mV
225 mV
Accuracy
( @ 25
±
5
°
C)*
Overvoltage Protection (OVP):
120 mV
180 mV
470 mV
720 V
900 V
Analog Programming (VP):
±
0.3%
±
10 mV
20 mV
50 mV
75 mV
100 mV
Analog Programming (IP):
±
2%
±
8 A
4 A
2 A
1.5 A
1 A
Current Monitor (IM):
±
2%
±
8 A
4 A
2 A
1.5 A
1 A
Analog Programming (V
P
& I
P
)
Input Signal
(source must be isolated)
VP Input Signal:*
0 to -5.0 V
+ IP Input Signal:**
0 to +5.0 V
Input Impedance
V
P
and I
P
Inputs:
> 30 k
Ω
*Referenced to common
↓
P.
** Referenced to
-IP
differential input signal
Current Monitor (IM) Output Signal:
-0.125 V to +5 V
Drift Temperature Stability
(following a 30-minute warmup, change in output over eight hours under constant line,
load, and ambient temperature)
Voltage:
0.02% +
0.15 mV
0.24 mV
0.63 mV
0.96 mV
1.2 mV
Current:
0.02% +
315 mA
170 mA
71 mA
47 mA
38 mA
Temperature Coefficients
(change per °C after 30-minute warmup)
Voltage:
50 ppm +
0.05 mV
0.08 mV
0.21 mV
0.32 mV
0.40 mV
Current:
75 ppm +
110 mA
62 mA
26 mA
17 mA
14 mA
Voltage Readback:
60 ppm +
0.075 mV
0.1 mV
0.25 mV
0.40 mV
0.50 mV
±±±±
Current Readback:
85 ppm +
135 mA
90 mA
37 mA
25 mA
20 mA
Overvoltage Protection (OVP):
200 ppm +
1.25 mV
1.8 mV
4.7 mV
7.2 mV
9.0 mV
Typical Common Mode Noise Current*
rms:
peak-to-peak:
1.5 mA
10 mA
1.5 mA
10 mA
3 mA
20 mA
3 mA
20 mA
3 mA
20 mA
* Referenced to signal ground binding post.
Output Float Voltage
(maximum from output signal ground):
±
60 Vdc
Notes:
1
For Performance Specifications, see Table 1-4a.
Summary of Contents for 6641A
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Page 97: ...Calibration 97 Figure A 1 Calibration Test Setup c Series 668xA 669xA Setup ...
Page 106: ...Operation Verification 106 Figure B 1 Verification Test Setup c Series 668xA 669xA Setup ...
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