X9409_06 Datasheet, PDF(15/20 Page) Intersil Corporation – Quad Digitally Controlled Potentiometers

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

X9409_06 Datasheet, PDF (15/20 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometers

◁

X9409

APPLICATIONS INFORMATION

Basic Configurations of Electronic Potentiometers

+VR

VW/RW

Three terminal Potentiometer;

Variable voltage divider

Application Circuits

NONINVERTING AMPLIFIER

VO = (1+R2/R1)VS

OFFSET VOLTAGE ADJUSTMENT

100kÎ©

10kÎ©

TL072

10kÎ©

Two terminal Variable Resistor;

Variable current

VOLTAGE REGULATOR

VIN

317

VO (REG)

Iadj

VO (REG) = 1.25V (1+R2/R1)+Iadj R2

COMPARATOR WITH HYSTERESIS

R1 R2

VUL = {R1/(R1+R2)} VO(max)

VLL = {R1/(R1+R2)} VO(min)

FN8192.4

October 12, 2006

▷