X9116WS8I-2.7 datasheet(7/9 Pages) INTERSIL

Part #	X9116WS8I-2.7

Description	Low Noise, Low Power, Low Cost

Download	9 Pages

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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7 / 9 page

7

FN8160.1

September 12, 2005

Basic Configurations of Electronic Potentiometers

Basic Circuits

VR

VW/RW

VR

I

Three terminal potentiometer;

variable voltage divider

Two terminal variable resistor;

variable current

VH

VL

Cascading Techniques

Buffered Reference Voltage

–

+

+5V

R1

+V

–5V

VW

VREF

VOUT

OP-07

VW

VW/RW

+V

X

(a)

(b)

VOUT = VW/RW

Noninverting Amplifier

+

–

VS

VO

R2

R1

VO = (1+R2/R1)VS

LM308A

Voltage Regulator

R1

R2

Iadj

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

VO (REG)

VIN

317

Comparator with Hysteresis

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

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

+

–

VS

VO

R2

R1

LT311A

+5V

-5V

(for additional circuits see AN115)

X9116

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X9116WS8I-2.7 Datasheet(PDF) 7 Page - Intersil Corporation

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