CAT5119TBI-00-T datasheet(1/11 Pages) CATALYST

No. de pieza	CAT5119TBI-00-T

Descripción Electrónicos	32-Tap MiniPot Digitally Programmable Potentiometers with 2-Wire Interface

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Fabricante Electrónico	CATALYST [Catalyst Semiconductor]

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CAT5110, CAT5118, CAT5119

32-Tap MiniPot™ Digitally Programmable Potentiometers

with 2-Wire Interface

FEATURES

s 0.3

µA Ultra-low supply current

s Single-supply operation: 2.7 V to 5.5 V

s Glitchless switching between resistor taps

s Power-on reset to midscale

APPLICATIONS

s LCD screen adjustment

s Volume control

s Mechanical potentiometer replacement

PIN CONFIGURE

DESCRIPTION

CAT5110/5118/5119 linear-taper digitally programmable

potentiometers perform the same function as a

mechanical potentiometer or a variable resistor. These

devices consist of a fixed resistor and a wiper contact

with 32-tap points that are digitally controlled through a

2-wire up/down serial interface.

Characteristics subject to change without notice

Doc. No. 2120, Rev. A

1

ALO

GEN FR

TM

LEAD FREE

The CAT5110 is configured as a potentiometer. The

CAT5118 and CAT5119 are configured as variable

resistors. See Pin Configurations for part functionality.

Three resistance values are available: 10k

Ω , 50kΩ and

100k

Ω. These are available in space-saving 5-pin and

6-pin SC70 and SOT-23 packages.

s 2-Wire up/down serial interface

s Resistance values: 10k

Ω,

Ω, 50kΩ

Ω

Ω and 100kΩ

Ω

s Available in SC70 and SOT-23 packages

s Gain adjustment

s Line impedance matching

FUNCTIONAL DIAGRAM

VDD

GND

CS

H

L

W

U/D

UP/DN

Counter

32-Position

Decoder

GND

CS

U/D

15 H

VDD

2

CAT5118

34

GND

CS

U/D

16 H

VDD

2

34

W

5

CAT5110

GND

CS

U/D

16 H

VDD

2

L

5

CAT5119

34

Top View

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CAT5119TBI-00-T Datasheet(PDF) 1 Page - Catalyst Semiconductor

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