Specifications

General Information 37
Table 1-5b. Supplemental Characteristics for Series 669xA
1
Parameter Agilent Model Number
6690A 6691A 6692A
Ripple & Noise (from 20 Hz to 20 MHz with outputs ungrounded, or with either output terminal grounded)
Constant Current:** rms
**With load inductance > 5µH.
200 mA 50 mA 30 mA
Output Programming Range (maximum programmable values)
-Max Power 6.67KW
Voltage:
15.375 V 30.75 V 61.5 V
Current:
450 A 225 A 112 A
Overvoltage Protection (OVP):
18 V 36 V 69 V
Typical Resolution
Voltage:
4.1 mV 8.1 mV 16 mV
Current:
118.5 mA 59 mA 30 mA
Overvoltage Protection (OVP):
90 mV 170 mV 330 mV
Accuracy ( @ 25 ±5 °C)*
Overvoltage Protection (OVP):
350 mV 675 mV 1.3 V
Analog Programming (VP): 0.3% +
40 mV 75 mV 150 mV
Analog Programming (IP): 2% +
3 A 2 A 1 A
Current Monitor (IM): 2% +
3 A 2 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 kΩ
*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% +
0.45 mV 0.90 mV 1.8 mV
Current: 0.02% +
130 mA 65 mA 33 mA
Temperature Coefficients (change per °C after 30-minute warmup)
Voltage:
50 ppm + 0.30 mV 0.30 mV 0.60 mV
Current:
75 ppm + 48 mA 24 mA 12 mA
Voltage Readback:
60 ppm + 0.20 mV 0.4 mV 0.75 mV
±
±±
±Current Readback:
85 ppm + 70.5 mA 40 mA 17 mA
Overvoltage Protection (OVP):
200 ppm + 3.6 mV 6.5 mV 13 mV
Typical Common Mode Noise Current*
rms:
peak-to-peak:
3 mA
20 mA
3.5 mA
20 mA
4 mA
25 mA
* From 20Hz to 2MHz; Referenced to signal ground binding post.
Output Float Voltage (maximum from output signal ground): ±60 Vdc
Notes:
1
For Performance Specifications, see Table 1-5a.