Gamry Instruments Interface 1000, Operator'S Manual

Page: 64 / 88

Appendix A: Interface 1000 Specifications--Floating Operation
Appendix A - 2
Current to Voltage Converter
Maximum Full-scale Range 1000 mA Note 13
Minimum Full-scale Range 10
100 (after ×100 gain) nA
pA 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 10 pA Note 15
Range Zero Offset Max 0.05 % of
range Note 15
Gain Tolerance
1 A to 10 nA ranges
Max
0.3
% of
reading Note 15
Zero drift Typ 0.03
% FS /  C Note 16
Bandwidth Typ >1.5 MHz (10 µA)
>0.15 MHz (1 µA) 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)