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STPM34TR

ASSP for metering applications with up to four independent 24-bit 2nd order sigma-delta ADCs, 4 MHz OSF and 2 embedded PGLNA

Supply Voltage Min Volt2.95
Supply Voltage Max Volt3.65
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm

The STPM3x is an ASSP family designed for high accuracy measurement of power and energies in power line systems using the Rogowski coil, current transformer or shunt current sensors. The STPM3x provides instantaneous voltage and current waveforms and calculates RMS values of voltage and currents,...
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Key features
  • Active power accuracy:
    • < 0.1% error over 5000 : 1 dynamic range
    • < 0.5% error over 10000 : 1 dynamic range
  • Exceeds 50-60 Hz EN 50470-x, IEC 62053-2x, ANSI12.2x standard requirements for AC watt meters
  • Reactive power accuracy:
    • < 0.1% error over 2000 : 1 dynamic range
  • Dual mode apparent energy calculation
  • Instantaneous and averaged power
  • RMS and instantaneous voltage and current
  • Under and overvoltage detection (sag and swell) and monitoring
  • Overcurrent detection and monitoring
  • UART and SPI serial interface with programmable CRC polynomial verification
  • Programmable LED and interrupt outputs
  • Four independent 24-bit 2nd
    order sigma-delta ADCs
  • Two programmable gain chopper stabilized low-noise and low-offset amplifiers
  • Bandwidth 3.6 kHz at -3 dB
  • Vcc supply range 3.3 V ± 10%
  • Supply current Icc 4.3 mA (STPM32)
  • Input clock frequency 16 MHz, Xtal or external source
  • Twin precision voltage reference: 1.18 V with independent programmable TC, 30 ppm/°C typ.
  • Internal low drop regulator at 3 V (typ.)
  • QFN packages
  • Operating temperature from -40 °C to +105 °C
In stock
Quantity $ per unit Savings
1-9$3.220%
10-24$2.8910%
25-99$2.7315%
100-249$2.3726%
250-300$2.2430%
Contact sales
$3.22
$3.22
Supply Voltage Min Volt2.95
Supply Voltage Max Volt3.65
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm

The STPM3x is an ASSP family designed for high accuracy measurement of power and energies in power line systems using the Rogowski coil, current transformer or shunt current sensors. The STPM3x provides instantaneous voltage and current waveforms and calculates RMS values of voltage and currents,...
Read More

Key features
  • Active power accuracy:
    • < 0.1% error over 5000 : 1 dynamic range
    • < 0.5% error over 10000 : 1 dynamic range
  • Exceeds 50-60 Hz EN 50470-x, IEC 62053-2x, ANSI12.2x standard requirements for AC watt meters
  • Reactive power accuracy:
    • < 0.1% error over 2000 : 1 dynamic range
  • Dual mode apparent energy calculation
  • Instantaneous and averaged power
  • RMS and instantaneous voltage and current
  • Under and overvoltage detection (sag and swell) and monitoring
  • Overcurrent detection and monitoring
  • UART and SPI serial interface with programmable CRC polynomial verification
  • Programmable LED and interrupt outputs
  • Four independent 24-bit 2nd
    order sigma-delta ADCs
  • Two programmable gain chopper stabilized low-noise and low-offset amplifiers
  • Bandwidth 3.6 kHz at -3 dB
  • Vcc supply range 3.3 V ± 10%
  • Supply current Icc 4.3 mA (STPM32)
  • Input clock frequency 16 MHz, Xtal or external source
  • Twin precision voltage reference: 1.18 V with independent programmable TC, 30 ppm/°C typ.
  • Internal low drop regulator at 3 V (typ.)
  • QFN packages
  • Operating temperature from -40 °C to +105 °C