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Description
OPA128 110dB Gain High Impedance Electrometer Amplifier Ultra Low Bias Current Op Amp Charge Amplifier
Parameter
Name
OPA128 Current Amplifier
Size
50mm X 34mm
Voltage-power supply, single/double
±5V~±18V
Operating temperature
0°C~70°C
Current - Output / Channel
10mA
Current - Power
900uA
Voltage-input offset
140µV
Current · Input Offset
0.04pA
-3db bandwidth
Gain bandwidth
1MHz
Slew rate
3V/us
Number of circuits
1
Amplifier Type
General Purpose
Supplier Device Package
TO-99-8
Seal / Case
TO-99-8 Metal Can
Chip features Open loop gain: 128dB High open-loop gain: 110dB minimum Bandwidth: 1MHz Ultra low bias current: 75fA max, Low offset: 500μV max Low drift: below 5μV/°C The OPA128 is an ultralow bias current amplifier.
Chip application Electrometer Mass spectrometer Chromatograph Ion meter Detector Anti-radiation equipment
