MCP2030T-IST View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP2030T-IST

Three-Channel Analog Front-End Device

Microchip Technology 

MCP2030

Amplitude

(a) Modulation Depth Definition

Input Signal

Modulation Depth (%) =

A - B X 100%

A+B

t

BA

Amplitude

(b) Input signal vs. minimum modulation depth setting vs. LFDATA output

7 mVPP

Input Signal

10 mVPP

Coil Input Strength

Modulation Depth (%) =

t

10 - 7 X 100% = 17.64%

10 + 7

Input signal with modulation depth = 17.64%

Amplitude

0

FIGURE 5-5:

Demodulated LFDATA Output when MODMIN Setting = 14%

t (LFDATA output = toggled)

Demodulated LFDATA Output if MODMIN Setting = 33%

(LFDATA output = not toggled)

t

Modulation Depth Examples.

© 2005 Microchip Technology Inc.

DS21981A-page 41

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