STPM34TR

Active

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

Quantity $ per Unit Savings
1 - 9$2.960%
10 - 24$2.6710%
25 - 99$2.5215%
100 - 249$2.1528%
250 - 499$2.0232%
500$1.7640%
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Out of stock
$2.96
Parameter NameParameter Value
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 Compliance GradeEcopack2
GradeIndustrial
Package NameVFQFPN 32 5x5x1.0 mm
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
Associated Products