CAEN
Electronic Instrumentation
UM6026 - A7508 User Manual Rev. 1
8
Fig. 8: Offset current Vs, Vout and Temperature
Vset / Vout and Vmon / Vout Coefficent (-45 C° to +65 C°)
Model
A7508P A7508N
Vout/ Vset
402
402
Accuracy:
± 1%
200< Vout < 500V
± 0.5% Vout > 500 V
Vout / Vmon
402
402
Accuracy:
± 0.8% 150< Vout < 500V
± 0.6% Vout > 500 V
Tab. 3: Table of Vset / Vout and Vmon / Vout coefficent
Iset / Iout and Imon / Iout Coefficent (-45 C° to +65 C°)
Model
A7508P
A7508N
Iset / Imax out
25
(*)
25
(*)
Accuracy:
± 5% Vout > 400 V
Stability:
± 3% Vout > 400 V
Imon / Iout
25
(*)
25
(*)
Accuracy:
± 5% Vout > 400 V
Stability:
± 3% Vout > 400 V
Tab. 4: Table of Iset / Imax out and Imon / Iout coefficent
(*) Iset and Imon expressed in V, Imax out and Iout expressed in µA. N.B.: In parallel to the load we have a small resistor for the voltage
feedback; therefore, a small offset current is introduced (see figure 8).
0,05
0,55
1,05
1,55
2,05
2,55
0
200
400
600
800
1000
µA
Vout (V)
Offset Current vs Vout and Temperature
-30 C°
0 C°
30 C°
60 C°