STPM32TR

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

Parameters

Supply Voltage Min Volt	2.95
Supply Voltage Max Volt	3.65
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	105.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	QFN-24L

Description

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

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 2^nd order sigma-delta ADCs Two programmable gain chopper stabilized low-noise and low-offset amplifiers Bandwidth 3.6 kHz at -3 dB V_cc supply range 3.3 V ± 10% Supply current I_cc 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	$3.41	0%
10-24	$3.06	10%
25-99	$2.89	15%
100-249	$2.51	26%
250-499	$2.38	30%
500	$2.14	37%
500 +	Contact sales

$3.41

Parameters

Supply Voltage Min Volt	2.95
Supply Voltage Max Volt	3.65
Operating Temp Min Celsius	-40.0
Operating Temp Max Celsius	105.0
ECCN US	EAR99
ECCN EU	NEC
Packing Type	Tape And Reel
RoHs compliant	Ecopack2
Grade	Industrial
Package Name	QFN-24L

Description

Key features

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 2^nd order sigma-delta ADCs Two programmable gain chopper stabilized low-noise and low-offset amplifiers Bandwidth 3.6 kHz at -3 dB V_cc supply range 3.3 V ± 10% Supply current I_cc 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