Datasheet > STPM33

STPM33

更新时间： 2024-11-30 14:57:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
89页	5848K
描述
用于计量应用的ASSP，具有最多4个独立的24位2阶∑Δ ADC、4 MHz OSF和2个嵌入式PGLNA

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STPM33 数据手册

STPM32, STPM33, STPM34

Datasheet

ASSP for metering applications with up to four independent 24-bit 2^ndorder

sigma-delta ADCs, 4 MHz OSF and 2 embedded PGLNA

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

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STPM32

Instantaneous and averaged power

RMS and instantaneous voltage and current

STPM33

Under and overvoltage detection (sag and swell) and monitoring

Overcurrent detection and monitoring

STPM34

UART and SPI serial interface with programmable CRC polynomial verification

Programmable LED and interrupt outputs

Four independent 24-bit 2^ndorder sigma-delta ADCs

Two programmable gain chopper stabilized low-noise and low-offset amplifiers

Bandwidth 3.6 kHz at -3 dB

Product label

•

V_ccsupply range 3.3 V ± 10%

Supply current I_cc4.3 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

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, active, reactive and

apparent power and energies. The STPM3x is a mixed signal IC family consisting of

an analog and a digital section. The analog section consists of up to two

programmable gain low-noise low-offset amplifiers and up to four 2^ndorder 24-bit

sigma-delta ADCs, two bandgap voltage references with independent temperature

compensation, a low drop voltage regulator and DC buffers. The digital section

consists of digital filtering stage, a hardwired DSP, DFE to the input and a serial

communication interface (UART or SPI). The STPM3x is fully configurable and allows

a fast digital system calibration in a single point over the entire current dynamic

range.

DS10272 - Rev 13 - September 2023

www.st.com

For further information contact your local STMicroelectronics sales office.

12 3 4 5 6 7...89

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与STPM33相关器件

型号	品牌	获取价格	描述	数据表
STPM34	STMICROELECTRONICS	获取价格	用于计量应用的ASSP，具有最多4个独立的24位2阶∑Δ ADC、4 MHz OSF和2个
STPM801	STMICROELECTRONICS	获取价格	高压热插拔、软启动和Oring
STPMC1	STMICROELECTRONICS	获取价格	Programmable poly-phase energy calculator IC
STPMC1BTR	STMICROELECTRONICS	获取价格	Programmable poly-phase energy calculator IC
STPMIC02	STMICROELECTRONICS	获取价格	电源管理IC、2个电子熔断器和2开关稳压器
STPMIC06	STMICROELECTRONICS	获取价格	电源管理IC：4个降压调节器，PMBUS? 接口
STPMIC07M	STMICROELECTRONICS	获取价格	Power Management IC: 4 Buck regulators, 3 LDO, I2C Interface
STPMIC1	STMICROELECTRONICS	获取价格	Highly integrated power management IC for micro processor units
STPMIC1APQR	STMICROELECTRONICS	获取价格	Highly integrated power management IC for micro processor units
STPMIC1BPQR	STMICROELECTRONICS	获取价格	Highly integrated power management IC for micro processor units

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