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Updated at 02/11/2025 10:30:15(UTC+8)

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Description

The STPM34TR is a high accuracy Analog Front End (AFE) for DC and AC energy measurement, offering high accuracy down to extremely low current typical of home appliances in stand-by. A full set of on-board features provides high system integration and enable on-chip power quality monitoring. The device has up to 4 independent 24 bits 2nd order ∑Δ ADC with PGA. The device has integrated DSP for "turn-key" energy parameters calculations. Built-in twin independently temperature compensated voltage references and double LED output programmable for active and reactive energy pulses generation.
Applicable to class 0.2m
<0.1% Active power accuracy over a dynamic range of 5000:1
4kHz Bandwidth
Very fast single point calibration
AC and DC measurement
Multiple sensors support - Shunt, current transformer, Rogowsky coils
Multiple host interfaces 5 and 3 wires SPI, UART
I,V bit stream available to host controller for customer own processing
Case removal and Neutral Anti-tamper detection
Exceeds 50-60Hz EN 50470-x, IEC 62053-2x, ANSI12.2x

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STPM34TR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	32 Pin
Case/Package	QFN-32
Supply Voltage (DC)	2.95V (min)
Supply Current	5.5 mA
Number of Channels	2 Channel
Number of Positions	32 Position
Number of ADCs	4 ADC
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	0.1 %
Supply Voltage	2.95V ~ 3.65V
Supply Voltage (Max)	3.65 V
Supply Voltage (Min)	2.95 V
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Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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- Vacuum packaging
- Anti-static packaging
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SN:H2.57229LO18976V39Q0QC0S0

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