Productos

differential charge amplifier for dynamic pressure sensors to be used with pcb 176 sensors

INDUSTRIAL CHARGE AMPLIFIER

Model 421B30

Retrieving Price...

(Pricing valid only in the U.S.)

Add to Cart
Units in Stock Lead Times
More on the way Call for Lead Time
  • CE
  • IP

Differential charge amplifier for Dynamic pressure sensors to be used with PCB 176 sensors

  • Sensitivity: (±5%)20.6 mV/pC
  • Output Voltage: ±5 Vpk
  • Temperature Range: -22 to +185 °F (-30 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] The high frequency tolerance is accurate within ±20% of the specified frequency.
[4] Output can be set to either current or voltage output depending on the wiring configuration. See manual for wiring configuration.
[5] Frequency response tested with 1000pF input capacitor.
[6] Set to provide a 350 mV/psi or 350 µA/psi output when using a 17 pC/psi pressure sensor. If used with a pressure sensor with a different sensitivity, the output sensitivity will vary.
[7] Typical.
[8] Tested using voltage source and input capacitor equal to the feedback capacitor, to simulate a charge output sensor.
[9] 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 %) (Voltage Output) 20.6 mV/pC 20.6 mV/pC [4] [6]
Sensitivity (±5 %) (Current Output) 20.6 µA/pC 20.6 µA/pC [4] [6]
Input Range ±242 pC ±242 pC
Low Frequency Response (-3 dB) 10 Hz 10 Hz [2] [5]
High Frequency Response (-1 dB) 5 kHz 5 kHz [1] [3] [5]
Non-Linearity ≤1.0 % FS ≤1.0 % FS
Environmental
Temperature Range (Operating) -22 to +185 °F -30 to +85 °C
Temperature Response (Sensitivity Deviation) <2.5 % <2.5 %
Electrical
Excitation Voltage 22 to 28 VDC 22 to 28 VDC
Output Voltage ±5 Vpk ±5 Vpk
Output Impedance <770 Ohm <770 Ohm
Output Bias Voltage 7.3 to 7.7 VDC 7.3 to 7.7 VDC
Output Bias Current 11 to 13 mA 11 to 13 mA
Output Current ±5 mApK ±5 mApK
Broadband Electrical Noise (1 to 10000 Hz) 1040 µV -60 dB [7] [8]
Spectral Noise (1 Hz) 38 µV/√Hz -88 dB [7] [8]
Spectral Noise (10 Hz) 54 µV/√Hz -85 dB [7] [8]
Spectral Noise (100 Hz) 13 µV/√Hz -98 dB [7] [8]
Spectral Noise (1 kHz) 10 µV/√Hz -100 dB [7] [8]
Spectral Noise (10 kHz) 10 µV/√Hz -100 dB [7] [8]
Resistance (Minimum required at input) 100000 Ohm 100000 Ohm
Source Capacitance Loading 0.0009 %/pF 0.0009 %/pF
Physical
Housing Material Aluminum Aluminum
Weight 6.5 oz 184 gm

* All specifications are at room temperature unless otherwise specified.