TC514 데이터 시트보기 (PDF) - Microchip Technology

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TC514

Precision Analog Front Ends with Dual Slope ADC

Microchip Technology 

TC500/A/510/514

Analog

Input (VIN)

S1

±

Ref

Voltage

RINT

CINT

Integrator

–

+

VINT –

+

TC510

Comparator

Switch Driver

Polarity Control

Phase

Control

Control

Logic

CMPTR Out

VIN ≈ VREF

VIN ≈ 1/2 VREF

VSUPPLY

VINT

TINT TDEINT

FIGURE 4-3:

Basic Dual Slope Converter.

AB

I/O

Microcomputer

ROM

Timer

RAM

Counter

DS21428E-page 10

© 2008 Microchip Technology Inc.

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