STPMS2 datasheet(1/36 Pages) STMICROELECTRONICS

No. de pieza	STPMS2

Descripción Electrónicos	Programmable chopper-stabilized low noise and low offset amplifier

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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March 2016

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This is information on a product in full production.

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STPMS2

Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-

delta modulator with embedded PGLNA

Datasheet - production data

Features



VCC supply range 3.2 V to 5.5 V



Two second-order sigma-

delta (ΣΔ)

modulators



Programmable chopper-stabilized low noise

and low offset amplifier



Supports 50-60 Hz, EN 50470-1, EN 50470-

3, IEC 62053-21, IEC 62053-22 and IEC

62053- 23 standard specs for class 1, class

0.5 and class 0.2 AC watt meters



STPMS2L-PUR: less than 0.5% error over

1:5000 range



Precision voltage reference: 1.23 V with

programmable TC



Internal low drop regulator @ 3 V (typ.)

Applications



Power metering



Motor control



Industrial process control



Weight scales



Pressure transducers

Description

The STPMS2 also called “smart sensor” device,

is an ASSP designed for effective measurement

in power line systems utilizing the Rogowski coil,

current transformer and Hall or shunt sensors.

This device is designed as a building block for

single-phase or multi-phase energy meters along

with the STPMC1 device, a digital signal

processor designed for energy measurement.

This device can be used in medium and high

resolution measurement applications where

single or double inputs must be monitored at the

same time. The STPMS2 is a mixed signal IC

consisting of an analog and digital section. The

analog section consists of a programmable gain,

low noise chopper amplifier, two second-

order ΔΣ

modulator blocks, a bandgap voltage reference, a

low drop voltage regulator and DC buffers, while

the digital section consists of a clock generator

and output multiplexer.

Table 1: Device summary

Oder code

Package

Packing

STPMS2L-PUR

QFN16 (4x4 mm)

4500

pieces per

reel

Número de pieza similar - STPMS2

Fabricante Electrónico	No. de pieza	Datasheet	Descripción Electrónicos
STMicroelectronics	STPMS2H-PUR	2Mb / 33P	Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-delta modulator with embedded PGLNA
STMicroelectronics	STPMS2L-PUR	2Mb / 33P	Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-delta modulator with embedded PGLNA

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STPMS2 Datasheet(PDF) 1 Page - STMicroelectronics

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