Gamry Interface 5000 - Page 60

Appendix A: Interface 5000 Specifications
60
Current to Voltage Converter
Maximum Full-scale Range
±5
A
Note 13
Minimum Full-scale Range
±50
±500 (after 100× gain)
µA
nA
Note 13
Voltage across Rm
Typ
±100
mV at
full scale
Note 14
Output Voltage (at Monitor and ADC in)
Typ
±3.0
V
full scale
Input Offset Current
Max
25
pA
Note 15
Range Zero Offset
Max
0.05
% of
range
Note 15
Gain Tolerance, 5 A to 50 µA
ranges
Max
0.2
% of
reading
Note 15
Zero drift
Typ
0.02
% FS/C
Note 16
Bandwidth (-3 dB)
Typ
5
MHz
Note 17
Current Measurement
Resolution
Typ
0.00333…
% FS/bit
Offset Range
Typ
±100
% of
range
Post-offset Gain
Typ
1×, 10×, 100×
Accuracy
Typ
Dominated by current-to-voltage error
(see above)
Potentiostatic Mode
Applied Voltage Range
Min
±6.0
V
Accuracy
DC zero offset
Gain
Max
1
0.2
mV
% setting
Note 18
DC Bias
Typ
±6.5536
V
Scan DAC ranges
Typ
6.5536, ±1.6384, ±0.4096
V
Drift
Max
< 20
µV/°C
Note 19
Noise and Ripple
1 Hz to 1 kHz
1 Hz to 200 kHz
Typ
10
20
µV rms
Note 20