CAT5112ZI-50-G ON Semiconductor, CAT5112ZI-50-G Datasheet

CAT5112ZI-50-G

Manufacturer Part Number

CAT5112ZI-50-G

Description

Digital Potentiometer ICs DPP NV 32 taps Up/Down w/Buf

Manufacturer

ON Semiconductor

Datasheet

1.CAT5112VI-00-G.pdf (11 pages)

Specifications of CAT5112ZI-50-G

Number Of Pots

Single

Taps Per Pot

Resistance

50 KOhms

Wiper Memory

Non Volatile

Digital Interface

Serial (3-Wire)

Operating Supply Voltage

3.3 V, 5 V

Supply Current

200 uA

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Mounting Style

SMD/SMT

Supply Voltage (max)

6 V

Supply Voltage (min)

2.5 V

Package / Case

MSOP-8

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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32-Tap Digitally Programmable Potentiometer (DPP™)

with Buffered Wiper

FEATURES

APPLICATIONS

FUNCTIONAL DIAGRAM

U/D

INC

Characteristics subject to change without notice

For Ordering Information details, see page 10.

32-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

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

Power On Recall

Memory

Control

GND

and

–

DESCRIPTION

The CAT5112 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 CAT5112 contains a 32-tap series resistor array

connected between two terminals R

up/down counter and decoder that are controlled by

three input pins, determines which tap is connected to

the wiper, R

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.

accomplished with three input control pins, CS

and INC

direction which is determined by the logic state of the

U/D ¯ input. The CS

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 CAT5114. The

buffered wiper of the CAT5112 is not compatible with

that application.

¯¯¯ . The INC

Electronic Potentiometer Implementation

Wiper-control

. The CAT5112 wiper is buffered by an

¯¯¯ input increments the wiper in the

¯¯ input is used to select the device

–

the

CAT5112

Doc. No. MD-2002 Rev. M

CAT5112

and R

¯¯ , U/D ¯ ,

. An

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CAT5112ZI-50-G Summary of contents

Page 1

Digitally Programmable Potentiometer (DPP™) with Buffered Wiper FEATURES 32-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, ...

Page 2

CAT5112 PIN CONFIGURATION PDIP 8-Lead (L) SOIC 8 Lead (V) MSOP 8 Lead (Z) TSSOP 8 Lead (Y) ¯¯¯ INC CC U/D ¯ ¯¯ CAT GND 4 5 ...

Page 3

OPERATION MODES ¯¯¯ ¯¯ U/D ¯ INC CS High to Low Low High High to Low Low Low High Low to High X Low Low to High X X High X ABSOLUTE MAXIMUM RATINGS Parameters Ratings Supply Voltage V to ...

Page 4

CAT5112 Logic Inputs Symbol Parameter I Input Leakage Current IH I Input Leakage Current IL V TTL High Level Input Voltage IH1 V TTL Low Level Input Voltage IL1 V CMOS High Level Input Voltage IH2 V CMOS Low Level ...

Page 5

AC CONDITIONS OF TEST V Range 2.5V ≤ Input Pulse Levels 0.2V Input Rise and Fall Times 10ns Input Reference Levels 0.5V AC OPERATING CHARACTERISTICS V = +2.5V to +6.0V ...

Page 6

CAT5112 PACKAGE OUTLINES PDIP 8-LEAD (300MIL) ( SYMBOL MIN NOM MAX A 4.57 A1 0.38 A2 3.05 3.81 b 0.36 0.46 0.56 b2 1.14 1.77 c 0.21 0.26 0.35 D 9.02 10.16 E ...

Page 7

SOIC 8-LEAD NARROW BODY (150MIL) ( SYMBOL MIN NOM A1 0.10 A 1.35 b 0.33 C 0.19 D 4.80 E 5.80 E1 3.80 e 1.27 BSC h 0.25 L 0.40 Ө1 0° For current ...

Page 8

CAT5112 8-LEAD TSSOP ( E PIN #1 IDENT MIN NOM SYMBOL A A1 0.05 A2 0.80 0.90 b 0.19 c 0.09 D 2.90 3.00 E 6.30 6.4 E1 4.30 ...

Page 9

MSOP ( SYMBOL MIN NOM MAX A A1 0.05 0.10 0.15 A2 0.75 0.85 0.95 b 0.28 0.33 0. 2.90 3.00 3.10 E 4.80 4.90 5.00 E1 2.90 3.00 3.10 e 0.65 ...

Page 10

... This device used in the above example is a CAT5112VI-10-GT3 (SOIC, Industrial Temperature, 10kΩ, NiPdAu, Tape & Reel). (4) For Matte-Tin finish, contact factory. ORDERING PART NUMBER CAT5112LI-10-G CAT5112LI-50-G CAT5112LI-00-G CAT5112VI-10-G CAT5112VI-50-G CAT5112VI-00-G CAT5112YI-10-G CAT5112YI-50-G CAT5112YI-00-G CAT5112ZI-10-G CAT5112ZI-50-G CAT5112ZI-00-G Doc. No. MD-2002 Rev -10 Temperature Range I = Industrial (-40ºC to 85ºC) Resistance -10: 10k ohms -50: 50k ohms -00: 100k ohms 10 (4) – ...

Page 11

REVISION HISTORY Date Rev. Reason 03/10/2007 J Updated Potentiometer Parameters 03/29/2004 K Change Green Package marking for SOIC from 04/12/2004 L Update Reel Ordering Information Add Package Outlines 06/04/2007 M Update Example of Ordering Information Add MD- ...

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