Microchip MCP3562R Manual

Microchip Ikke kategoriseret MCP3562R

Læs gratis den danske manual til Microchip MCP3562R (42 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 12 personer og har en gennemsnitlig bedømmelse på 4.7 stjerner ud af 6.5 anmeldelser. Har du et spørgsmål om Microchip MCP3562R, eller vil du spørge andre brugere om produktet?

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2019 Microchip Technology Inc. DS00003183A-page 1
AN3183
INTRODUCTION
This application note describes a weight scale design
using Microchip's MCP3564 24-bit Delta-Sigma
Analog-to-Digital Converter (ADC) and PIC24
microcontroller. The weight scale uses an automatic
calibration process and techniques to minimize power
consumption. The design takes advantage of the
ADC's dynamic reconfigurability features of
oversampling ratio (OSR) and Gain settings to
demonstrate the impact of certain configurations on the
precision and the accuracy of the device. These
settings can be made from a dedicated graphical user
interface (GUI) which also allows the calibration of the
weight scale and much more.
Starting from the sensor (the load cell) and its
specifications and ending with the digital filter
implementation, this application note provides
information about each feature of the weight scale and
their importance in the application.
WEIGHT SCALE SYSTEM DIAGRAM
Figure 1 shows the weight scale demo using the
MCP3564 24-bit Delta-Sigma ADC. Figure 2 shows an
example of weight scale system diagram, containing
the front end load cell circuit, gain amplifier, MCP3564
Delta-Sigma ADC and PIC24 16-bit microcontroller
(MCU).
FIGURE 1: Photo of the MCP3564
Weight Scale Demo, P/N ARD00906.
FIGURE 2: Weight Scale Block Schematic.
Author: Dana Diaconu,
Microchip Technology Inc.
AVDD
AGND
OUT+
OUT- MCP3564 MCU
(PIC24FJ256GB410)
CH0
CH1 SPI
CH2
CH3
Low Noise
Differential
Amplifier
VREF+
VREF-
/RDG&HOO
Weight ale Application using Sc
MCP3564 24- it Delta-Sigma ADCB

Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: MCP3562R

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