CAT5112U-50TE13 datasheet, PDF

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CAT5112U-50TE13: Descriptionsurface mount silicon Zener diodes; CategoryAnalog mixed-signal IC converter; File Size36KB，6 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/

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CAT5112U-50TE13 Overview

surface mount silicon Zener diodes

CAT5112U-50TE13 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Parts packaging code	SOIC
package instruction	TSSOP, TSSOP8,.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	e0
length	4.4 mm
Humidity sensitivity level	1
Number of functions	1
Number of positions	32
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
power supply	3/5 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	1.1 mm
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Nominal temperature coefficient	300 ppm/°C
Temperature level	COMMERCIAL
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
Nominal total resistance	50000 Ω
width	3 mm
Base Number Matches	1

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Advance Information

CAT5112

32-Tap Digitally Programmable Potentiometer (DPP™)

FEATURES

32 Position Linear Taper Potentiometer

Non-volatile NVRAM Wiper Storage

Low Power CMOS Technology

Single Supply Operation: 2.5V-6.0V

Increment Up/Down Serial Interface

Resistance Values: 10K, 20K, 50K and 100K

Ω

Available in PDIP, SOIC, TSSOP and MSOP packages

APPLICATIONS

Automated Product Calibration

Remote Control Adjustments

Offset, Gain and Zero Control Systems

Tamper-Proof Calibrations

Contrast, Brightness and Volume Controls

Motor Controls and Feedback Systems

Programmable Analog Functions

DESCRIPTION

The CAT5112 is a single digitally programmable

potentiometer (DPP™) designed as a electronic

replacement for mechanical potentiometers and trim

pots. 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 CAT5112 contains a 32-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 CAT5112 wiper is buffered by an OP

AMP that operates rail to rail. The wiper setting, stored

in non-volatile NVRAM 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 of the CAT5112 is

accomplished with three input control pins,

CS,

U/D,

and

INC.

The

INC

input increments the wiper in the

direction which is determined by the logic state of

the U/D input. The

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 three-terminal resistive divider or as a

two-terminal variable resistor. DPPs bring variability and

programmability to a wide variety of applications

including control, parameter adjustments, and

signal processing.

FUNCTIONAL DIAGRAM

U/D

INC

Control

and

Memory

–

/ R

Implementation of the

Electronic Potentiometer

Characteristics subject to change without notice

Doc. No. 25091-00 Rev. 3/28/01

M-1

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