CAT5115ZI-50MSOP datasheet(6/9 Pages) CATALYST

Part #	CAT5115ZI-50MSOP

Description	32-Tap Digitally Programmable Potentiometer

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Manufacturer	CATALYST [Catalyst Semiconductor]

Direct Link	http://www.catalyst-semiconductor.com

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6 / 9 page

CAT5115

6

Doc. No. 2117, Rev. E

Potentiometer Configurations

(a) resistive divider

(b) variable resistance

(c) two-port

+

–

+

–

+

–

V1

(-)

V2

(+)

R1

R2

R3

R4

VO

A3

R4

+2.5V

+5V

10

1

A1

A2

2

3

4

5

6

7

8

9

11

+5V

U/

DPP

CAT5114/5113/5115

{

555

+5V

.01 F

8

3

5

4

6

21

}

5

7

RA

RB

R1

R2

+5V

8

4

2

1

7

pRPOT

(1-p)RPOT

U/

C

.01 F,

.003 F

3

6

Applications

Programmable Instrumentation Amplifier

Programmable Sq. Wave Oscillator (555)

+

–

+

–

+

–

Sensor

VCORR

1.00V = VREF

CAT5112/5111

IC2

U/D

INC

CS

10k

0.01 F

OSC

CS

IC3A

1/4 74HC132

+5V

+200mV

499k

1V + 50mV

VSENSR

+5V

4

11

1

2

3

-5V

VOUT = 1V + 1mV

ICIA

100mV = VSHIFT

499k

20k

ICIB

6

5

7

APPLICATIONS INFORMATION

Sensor Auto Referencing Circuit

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CAT5115ZI-50MSOP Datasheet(PDF) 6 Page - Catalyst Semiconductor

CAT5115ZI-50MSOP Datasheet(HTML) 6 Page - Catalyst Semiconductor

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