Microchip MCP3919A1-E/SS

Manufacturer No:

MCP3919A1-E/SS

Manufacturer:

Microchip

Package:

28-SSOP (0.209, 5.30mm Width)

Description:

High accuracy 3-Ch energy measurement analog-front-end for single phase energy metering and power measurement with neutral monitoring..

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MCP3919A1-E/SS information

Microchip MCP3919A1-E/SS technical specifications, attributes, parameters and parts with similar specifications to Microchip MCP3919A1-E/SS.

Type
Parameter

Resolution
24

Sample Rate kSPS Max
125

Input Channels Differential
3

SNR typ
94

SFDRTyp
112

ENOB
15.2

INL Typ LSB
5

Download datasheets and manufacturer documentation for Microchip MCP3919A1-E/SS.

The MCP3919 is a 3V three channel Analog-Front-End (AFE) containing three simultaneous sampling Delta-Sigma Analog-to-Digital Converters (ADC), three PGAs, phase delay compensation block, internal voltage reference, digital offset and gain error calibration registers and high-speed 20 MHz SPI compatible serial interface. A 2-wire serial interface mode greatly reduces system cost by requiring only a single bidirectional isolator per phase. The MCP3919 AFE is capable of interfacing to a variety of voltage and current sensors including shunts, current transformers, Rogowski coils and Hall effect sensors.

The MCP391x portfolio of Analog Front Ends feature performance and functionality which makes them appropriate for use in designs targeted to meet the following industry standards for smart metering applications: IEC62053-11, IEC62053-21, IEC62053-22, ANSI C12.20. In such designs, the MCP391x portfolio can be paired with either MCUs/MPUs which are running a metrology engine, or standard (non-Metrology) MCUs/MPUs.

We welcome questions, comments and recommendations for improvements to this page - please contact us at: ADCwebrequests@microchip.com if you have any; please mention the part number in the email subject header.

Three Simultaneous Sampling A/D Converters

Enables 0.1% Typical Active Power Measurement Error over a 10,000:1 Dynamic Range

93.5 dB SINAD, -107 dBc THD

2.7V - 3.6V AVDD, DVDD

4 MHz Maximum Sampling Frequency

Oversampling Ratio up to 4096

Ultra Low Power Shutdown Mode with <10 µA

Low Drift 1.2V Internal Voltage Reference: 9 ppm/°C

Differential Voltage Reference Input Pins

Flexible serial interface that includes both SPI and a simple 2-wire interface ideal for polyphase shunt energy meters

Phase Delay Compensation with 1 µs Time Resolution

Separate Data Ready Pin for Easy Synchronization

Individual 24-bit Digital Offset and Gain Error Correction for Each Channel

High Gain PGA on Each Channel (up to 32V/V)

16-Bit CRC Checksum and Interrupt Alert

-122 dB Crosstalk between Channels

Continuous Read/Write Modes for Minimum Communication

Available in 28-Lead QFN and SSOP Packages

AEC-Q100 Grade 1

User Guide

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