CAT5111VI-50-G datasheet, PDF - EEWORLD Datasheet

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CAT5111VI-50-G: Description100K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDSO8; CategoryAnalog mixed-signal IC converter; File Size261KB，13 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/; Environmental Compliance

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CAT5111VI-50-G Overview

100K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 100 POSITIONS, PDSO8

CAT5111VI-50-G Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Reach Compliance Code	unknow
ECCN code	EAR99
Other features	NONVOLATILE MEMORY
control interface	INCREMENT/DECREMENT
Converter type	DIGITAL POTENTIOMETER
JESD-30 code	R-PDSO-G8
JESD-609 code	e4
length	4.9 mm
Number of functions	1
Number of positions	100
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
power supply	2.5/6 V
Certification status	Not Qualified
resistance law	LINEAR
Maximum resistor tolerance	20%
Maximum resistor terminal voltage	3 V
Minimum resistor terminal voltage
Maximum seat height	1.75 mm
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Nominal temperature coefficient	300 ppm/°C
Temperature level	INDUSTRIAL
Terminal surface	NICKEL PALLADIUM GOLD
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
Nominal total resistance	50000 Ω
width	3.9 mm
Base Number Matches	1

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CAT5111

100-Tap Digitally Programmable Potentiometer (DPP™)

with Buffered Wiper

FEATURES

100-position linear taper potentiometer

Non-volatile EEPROM wiper storage;

buffered wiper

Low power CMOS technology

Single supply operation: 2.5V - 6.0V

Increment up/down serial interface

Resistance values: 10kΩ, 50kΩ and 100kΩ

Available in PDIP, SOIC, TSSOP and MSOP

packages

DESCRIPTION

The CAT5111 is a single digitally programmable

potentiometer (DPP™) designed as a electronic

replacement for mechanical potentiometers. Ideal for

automated adjustments on high volume production

lines, they are also well suited for applications where

equipment requiring periodic adjustment is either

difficult to access or located in a hazardous or remote

environment.

The CAT5111 contains a 100-tap series resistor array

connected between two terminals R

and R

. An

up/down counter and decoder that are controlled by

three input pins, determines which tap is connected to

the wiper, R

. The CAT5111 wiper is buffered by an

op amp that operates rail to rail. The wiper setting,

stored in non-volatile memory, is not lost when the

device is powered down and is automatically recalled

when power is returned. The wiper can be adjusted to

test new system values without effecting the stored

setting.

Wiper-control

the

CAT5111

¯¯ , U/D,

accomplished with three input control pins, CS

¯¯¯

and INC. The INC input increments the wiper in the

direction which is determined by the logic state of the

¯¯

U/D input. The CS input is used to select the device

and also store the wiper position prior to power down.

The digitally programmable potentiometer can be

used as a buffered voltage divider. For applications

where the potentiometer is used as a 2-terminal

variable resistor, please refer to the CAT5113. The

buffered wiper of the CAT5111 is not compatible with

that application.

APPLICATIONS

Automated product calibration

Remote control adjustments

Offset, gain and zero control

Tamper-proof calibrations

Contrast, brightness and volume controls

Motor controls and feedback systems

Programmable analog functions

For Ordering Information details, see page 12.

FUNCTIONAL DIAGRAM

U/D

INC

Power On Recall

Control

and

Memory

–

Electronic Potentiometer Implementation

–

GND

Characteristics subject to change without notice

Doc. No. MD-2008 Rev. Q

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