CAT5112P-00TE13 CATALYST [Catalyst Semiconductor], CAT5112P-00TE13 Datasheet

CAT5112P-00TE13

Manufacturer Part Number

CAT5112P-00TE13

Description

Manufacturer

CATALYST [Catalyst Semiconductor]

Datasheet

1.CAT5112P-00TE13.pdf (6 pages)

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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

down counter and decoder that are controlled by three

input pins, determines which tap is connected to the

wiper, R

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

CAT5112

32-Tap Digitally Programmable Potentiometer (DPP™)

FEATURES

FUNCTIONAL DIAGRAM

Characteristics subject to change without notice

Advance Information

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

Available in PDIP, SOIC, TSSOP and MSOP packages

U/D

INC

. The CAT5112 wiper is buffered by an OP

Memory

Control

and

and R

–

. An up/

APPLICATIONS

when power is returned. The wiper can be adjusted to

test new system values without effecting the stored

setting.

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 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 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.

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

Electronic Potentiometer

Wiper-control

Implementation of the

the

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

CAT5112

M-1

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CAT5112P-00TE13 Summary of contents

Page 1

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 Available in PDIP, ...

Page 2

CAT5112 PIN CONFIGURATION DIP/SOIC Package TSSOP Package CS V INC U/D INC U/D GND R W INC U GND PIN DESCRIPTIONS INC: Increment Control Input INC INC INC INC The ...

Page 3

Advance Information OPERATION MODES INC CS High to Low Low High to Low Low High Low to High Low Low to High X High ABSOLUTE MAXIMUM RATINGS Supply Voltage V to GND ...................................... –0.5V to +7V CC Inputs CS to ...

Page 4

CAT5112 Potentiometer Parameters Symbol Parameter R Potentiometer Resistance POT Pot Resistance Tolerance V Voltage on R pin Voltage on R pin RL L Resolution INL Integral Linearity Error DNL Differential Linearity Error R Wiper Resistance Wi I ...

Page 5

Advance Information AC CONDITIONS OF TEST V Range CC Input Pulse Levels Input Rise and Fall Times Input Reference Levels AC OPERATING CHARACTERISTICS +2.5V to +6.0V Symbol Parameter CS to ...

Page 6

CAT5112 ORDERING INFORMATION Prefix Device # 5112 CAT Product Number Optional 5112: Buffered Company ID 5114: Unbuffered Notes: (1) The device used in the above example is a CAT5112 SI-10TE13 (SOIC, 10K Ohms, Industrial Temperature, Tape & Reel) Doc. No. ...

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