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STPMS1 - Dual-channel sigma-delta modulator

General Description

The STPMS1, also called a smart-sensor device, is an ASSP designed for effective measurement in power line systems utilizing the Rogowski coil, current transformer, or shunt principle.

Key Features

  • VCC supply range: 3.2 V - 5.5 V.
  • Two 1st order sigma-delta modulators.
  • Programmable chopper-stabilized low noise and low offset amplifier.
  • Supports 50-60 Hz AC watt meters.
  • Internal low-drop regulator at 3 V (typ. ).
  • Precision voltage reference: 1.23 V and 30 ppm/°C (typ. ) QFN16 (3 x 3 mm. ).

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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STPMS1 Dual-channel 1-bit, 2 MHz, 1st order sigma-delta modulator with embedded PGA Features ■ VCC supply range: 3.2 V - 5.5 V ■ Two 1st order sigma-delta modulators ■ Programmable chopper-stabilized low noise and low offset amplifier ■ Supports 50-60 Hz AC watt meters ■ Internal low-drop regulator at 3 V (typ.) ■ Precision voltage reference: 1.23 V and 30 ppm/°C (typ.) QFN16 (3 x 3 mm.) Applications ■ Power metering ■ Motor control ■ Industrial process control ■ Weight scale ■ Pressure transducers measurement applications when single or double inputs must be monitored at the same time. Description The STPMS1, also called a smart-sensor device, is an ASSP designed for effective measurement in power line systems utilizing the Rogowski coil, current transformer, or shunt principle.