ADE7953 - ADI

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Part No

ADE7953
Manufacturer

ADI
ChipWorker Part#

CW760507086
Description

Single Phase Multifunction Metering IC with Neutral Current Measurement
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

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ADE7953 Specifications

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Attribute	Attribute Value

Part Number	ADE7953
Manufacturer	ADI
ChipWorker Part#	CW760507086
Documentation	Datasheet
	expand all
Product Lifecycle Status	Unknown

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Product Description

Product Details
The ADE7953 is a high accuracy electrical energy measurement IC intended for single phase applications. It measures line voltage and current and calculates active, reactive, and apparent energy, as well as instantaneous rms voltage and current.
The device incorporates three Σ-Δ ADCs with a high accuracy energy measurement core. The second input channel simultaneously measures neutral current and enables tamper detection and neutral current billing. The additional channel incorporates a complete signal path that allows a full range of measurements. Each input channel supports independent and flexible gain stages, making the device suitable for use with a variety of current sensors such as current transformers (CTs) and low value shunt resistors. Two on-chip integrators facilitate the use of Rogowski coil sensors.
The ADE7953 provides access to on-chip meter registers via a variety of communication interfaces including SPI, I2C, and UART. Two configurable low jitter pulse output pins provide outputs that are proportional to active, reactive, or apparent energy, as well as current and voltage rms. A full range of power quality information such as overcurrent, overvoltage, peak, and sag detection are accessible via the external IRQ pin. Independent active, reactive, and apparent no-load detections are included to prevent “meter creep.” Dedicated reverse power (REVP), zero-crossing voltage (ZX), and zero-crossing current (ZX_I) pins are also provided. The ADE7953 energy metering IC operates from a 3.3 V supply voltage and is available in a 28-lead LFCSP package.
### Features and Benefits
Highly accurate; supports EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-22, and IEC 62053-23 standards
Measures active, reactive, and apparent energy; sampled waveform; current and voltage rms
Provides a second current input for neutral current measurement
Less than 0.1% error in active and reactive energy
measurements over a dynamic range of 3000:1
Less than 0.2% error in instantaneous IRMS measurement over a dynamic range of 1000:1
Provides apparent energy measurement and instantaneous power readings
1.23 kHz bandwidth operation
Flexible PGA gain stage (up to ×22)
Includes internal integrators for use with Rogowski coil sensors
SPI, I2C, or UART communication

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