cat5269 Catalyst Semiconductor, cat5269 Datasheet

cat5269

Manufacturer Part Number

cat5269

Description

Dual Digitally Programmable Potentiometers Dpp? With 256 Taps And 2-wire Interface

Manufacturer

Catalyst Semiconductor

Datasheet

1.CAT5269.pdf (16 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

cat5269WI50

Manufacturer:

ON Semiconductor

Quantity:

135

Current page: 1 of 16
Download datasheet (257Kb)

Dual Digitally Programmable Potentiometers

(DPP™) with 256 Taps and 2-wire Interface

FEATURES

PIN CONFIGURATION

Characteristics subject to change without notice

For Ordering Information details, see page 15.

Four linear taper digitally programmable

potentiometers

256 resistor taps per potentiometer

End to end resistance 50kΩ or 100kΩ

Potentiometer control and memory access via

2-wire interface (I

Low wiper resistance, typically 100Ω

Nonvolatile memory storage for up to four

wiper settings for each potentiometer

Automatic recall of saved wiper settings at

power up

2.5 to 6.0 volt operation

Standby current less than 1µA

1,000,000 nonvolatile WRITE cycles

100 year nonvolatile memory data retention

24-lead SOIC and TSSOP packages

Industrial temperature range

¯¯¯ 12

A2 11

TSSOP (Y)

SOIC (W)

C like)

24 A3

23 SCL

22 NC

21 NC

20 NC

19 NC

18 GND

17 R

16 R

15 R

14 A1

13 SDA

SDA

SCL

DESCRIPTION

The CAT5269 is two digitally programmable poten–

tiometers (DPPs™) integrated with control logic and

18 bytes of NVRAM memory. Each DPP consists of a

series of resistive elements connected between two

externally accessible end points. The tap points

between each resistive element are connected to the

wiper outputs with CMOS switches. A separate 8-bit

control register (WCR) independently controls the

wiper tap switches for each DPP. Associated with

each wiper control register are four 8-bit non-volatile

memory data registers (DR) used for storing up to four

wiper settings. Writing to the wiper control register or

any of the non-volatile data registers is via a 2-wire

serial bus. On power-up, the contents of the first data

automatically loaded into its respective wiper control

registers.

The CAT5269 can be used as a potentiometer or as a

two terminal, variable resistor. It is intended for circuit

level or system level adjustments in a wide variety of

applications. It is available in the -40ºC to 85ºC

industrial operating temperature ranges and offered in

a 24-lead SOIC and TSSOP package.

FUNCTIONAL DIAGRAM

2-WIRE BUS

INTERFACE

CONTROL

LOGIC

NONVOLATILE

REGISTERS

CONTROL

WIPER

DATA

CAT5269

Doc. No. MD-2123 Rev. C

Related parts for cat5269

Related keywords

cat5269 datasheet
cat5269 data sheet
cat5269 pdf datasheet
cat5269 component
cat5269 part
cat5269 distributor
cat5269 RoHS
cat5269 datasheet download