in-line differential charge converter, 4 mv/pc, 2-pin mil input to bnc output, icp® powered

DIFFERENTIAL INPUT IN-LINE Charge Amplifier

Model 422M182

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  • CE
  • IP

In-line differential charge converter, 4 mV/pC, 2-pin Mil input to BNC output, ICP® powered

  • Sensitivity: (±5%)4 mV/pC
  • Output Voltage: ±5 Vpk
  • Temperature Range: -60 to +185 °F (-51 to +85 °C)
  • Housing Material: Aluminum

Specification Notes

[1] Above stated frequency, the amplifier becomes slew rate limited.
[2] The low frequency tolerance is accurate within ±20% of the specified frequency.
[3] Tested using voltage source and input capacitor equal to the feedback capacitor, to simulate a charge output sensor.
[4] See PCB Declaration of Conformance PS024 for details. A low impendance connection from case to earth ground is required to maintain CE compliance.

English: SI:
Performance
Sensitivity (±5 %) (Charge Conversion) 4 mV/pC 4 mV/pC
Low Frequency Response (-5 %) 2 Hz 2 Hz [2]
High Frequency Response (2.2 mA) 30 kHz 30 kHz [1]
High Frequency Response (4 mA) 45 kHz 45 kHz [1]
High Frequency Response (20 mA) 55 kHz 55 kHz [1]
Non-Linearity ≤1.0 % FS ≤1.0 % FS
Environmental
Temperature Range (Operating) -60 to +185 °F -51 to +85 °C
Temperature Response (Sensitivity Deviation) <1 % <1 %
Electrical
Excitation Voltage 22 to 28 VDC 22 to 28 VDC
Constant Current Excitation 2.2 to 20 mA 2.2 to 20 mA
Output Voltage (at specified measurement range) ±5 Vpk ±5 Vpk
Output Impedance <250 Ohm <250 Ohm
Output Bias Voltage 12 to 16 VDC 12 to 16 VDC
Broadband Electrical Noise (1 to 10000 Hz) 28 µV -91 dB [3]
Spectral Noise (1 Hz) 10.0 µV/√Hz -100 dB [3]
Spectral Noise (10 Hz) 3.2 µV/√Hz -110 dB [3]
Spectral Noise (100 Hz) 1.0 µV/√Hz -120 dB [3]
Spectral Noise (1 kHz) 0.56 µV/√Hz -125 dB [3]
Spectral Noise (10 kHz) 0.56 µV/√Hz -125 dB [3]
Discharge Time Constant 0.25 sec 0.25 sec
Resistance (Minimum required at input) 50000 Ohm 50000 Ohm
Source Capacitance Loading 0.0009 %/pF 0.0009 %/pF
Physical
Housing Material Aluminum Aluminum
Electrical Connector (Input) 2-Pin 2-Pin
Electrical Connector (Output) BNC Jack BNC Jack
Weight 3.5 oz 109 gm

* All specifications are at room temperature unless otherwise specified.