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Catalogue > Measurement subsystem > sensAFE-23x128-DC.01

sensAFE-23x128-DC.01 Measurement applications

 

High resolution

Low noise signal processing

Low Bill-of-Material

 

Measurement applications in low frequency domain imply stringent requirement in terms of noise management for high accuracy conversion.
sensAFE-23x128-DC.01 is a complete configuration of a Δ∑ ADC core and peripherals performing high gain amplification while guaranteeing low noise signal processing for the best noise-free resolution. It digitizes low level signals generated by transducer thanks to a low-noise programmable gain amplifier, an analog sigma-delta modulator and a digital low-pass filter.

Sensor Interface

 

consumption sensor

Product Applications

Low frequency sensors:

  • Weight Scales
  • Thermometers
  • Pressure measurements
  • Strain gauge transducers
  • Radiometers

Key Benefits

  • A to D completeness for the best noise management:
    • low-noise Programmable Gain Amplifier
    • DR of ADC path as high as 144 dB (sensitivity = 23 bits)
    • low-pass digital filter with 50 Hz / 60 Hz noise rejection
    • Internal voltage reference
    • Optimized for [DC-10] Hz bandwidth
  • Optimized for signal conversion from high impedance transducers:
    • > 650 kΩ input impedance
    • Amplifier gain from 1 to 128
  • Straightforward ADC and system calibration
    • Operating modes for direct measurement of offset and reference.
  • Internal voltage reference
  • Low Bill-of-Material:
    • filter-less connection of PGA to ADC core

 

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