MCP3909EV-MCU16 Microchip Technology, MCP3909EV-MCU16 Datasheet - Page 90
MCP3909EV-MCU16
Manufacturer Part Number
MCP3909EV-MCU16
Description
EVALUATION BOARD FOR MCP3909
Manufacturer
Microchip Technology
Datasheets
1.MCP3909T-ISS.pdf
(44 pages)
2.MCP3909T-ISS.pdf
(104 pages)
3.MCP3909EV-MCU16.pdf
(38 pages)
Specifications of MCP3909EV-MCU16
Number Of Adc's
2
Number Of Bits
16
Sampling Rate (per Second)
15k
Data Interface
Serial
Inputs Per Adc
1 Differential
Input Range
±1 V
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
MCP3909
Silicon Manufacturer
Microchip
Application Sub Type
ADC
Kit Application Type
Data Converter
Silicon Core Number
MCP3909
Kit Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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MCP3909 / dsPIC33F 3-Phase Energy Meter Reference Design
DS51723A-page 90
minimal (<0.01%). When the input frequency deviates from the multiple of cycle
frequencies, the calculation error increases rapidly. As the calculation error is related
to the frequency offset to the multiple of freqency point, the calculation error caused by
frequency offset can be corrected. Figure C-6 is the error analysis after frequency off-
set correction using simple parabolic interpolation. Calcultion errors for all parameters
are shown to be less than 0.015% after the correction.
FIGURE C-5:
Iterations.
FIGURE C-6:
Compensation.
Error Analysis Of Improved Quasi-sync Calculation Using 3
Calculation Error Analysis After The Frequency Offset
© 2009 Microchip Technology Inc.
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