Microchip MCP3910A1-E/SS

Manufacturer No:

MCP3910A1-E/SS

Manufacturer:

Microchip

Package:

20-SSOP (0.209, 5.30mm Width)

Description:

High accuracy 2-Ch energy measurement analog-front-end for 3-phase isolated energy metering and power measurement.

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MCP3910A1-E/SS information

Microchip MCP3910A1-E/SS technical specifications, attributes, parameters and parts with similar specifications to Microchip MCP3910A1-E/SS.

Type
Parameter

Resolution
24

Sample Rate kSPS Max
125

Input Channels Differential
2

SNRtyp
94

SFDR typ
112

ENOB
15.2

INL Typ LSB
5

Download datasheets and manufacturer documentation for Microchip MCP3910A1-E/SS.

The MCP3910 is a 3V dual channel Analog-Front-End (AFE) containing two simultaneous sampling Delta-Sigma Analog-to-Digital Converters (ADC), two PGAs, phase delay compensation block (1 µs resolution), low drift (9ppm/°C) 1.2V internal voltage reference, modulator output block, and high speed 20 MHz SPI compatible serial interface. For poly-phase shunt based energy meters, the MCP3910 2-wire serial interface greatly reduces system cost by requiring only a single bidirectional isolator per phase. The MCP3910 is capable of to a variety of voltage and current sensors including shunts, current transformers, Rogowski coils and Hall effect sensors. It is capable of supporting a dynamic range of 10000:1

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.

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

Programmable Data Rate up to 125 ksps- 4 MHz Maximum Sampling Frequency

Oversampling Ratio up to 4096

Ultra Low Power Shutdown Mode with <2 µA

-122 dB Crosstalk between the Two Channels

Differential Voltage Reference Input Pins

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

Separate Modulator Output Pins for Each Channel

Separate Data Ready Pin for Easy Synchronization

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

Continuous Read/Write Modes for Minimum Communication

Available in Small 20-lead QFN and SSOP Packages

Specifications valid down to -45°C operation

AEC-Q100 Grade 1

User Guide

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