CAT5241YI-10-T2 ON Semiconductor, CAT5241YI-10-T2 Datasheet

CAT5241YI-10-T2

Manufacturer Part Number

CAT5241YI-10-T2

Description

DPP NV, QUAD 64 TAPS, I2C

Manufacturer

ON Semiconductor

Datasheet

1.CAT5241YI-10-T2.pdf (16 pages)

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Quad Digitally Programmable Potentiometer (DPP™) with

64 Taps and I²C Interface

FEATURES

PIN CONFIGURATION

Characteristics subject to change without notice

For Ordering Information details, see page 15.

100 kΩ

Potentiometer control and memory access via

I²C interface

Low wiper resistance, typically 80 Ω

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 1 µA

1,000,000 nonvolatile WRITE cycles

100 year nonvolatile memory data retention

20-lead SOIC and TSSOP packages

Industrial temperature range

Four linear-taper digitally programmable

potentiometers

64 resistor taps per potentiometer

End to end resistance 2.5 kΩ, 10 kΩ, 50 kΩ or

TSSOP 20 Lead (Y)

GND 10

SOIC 20 Lead (W)

SDA

5241

CAT

20 V

19 R

18 R

17 R

16 A1

15 A3

14 SCL

13 R

12 R

11 R

SDA

SCL

INTERFACE

CONTROL

LOGIC

C BUS

DESCRIPTION

The

Potentiometers (DPPs™) integrated with control logic

and 16 bytes of NVRAM memory. Each DPP consists

of a series of 63 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

6-bit control register (WCR) independently controls

the wiper tap switches for each DPP. Associated with

each wiper control register are four 6-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 I²C serial

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

automatically loaded into its respective wiper control

The CAT5241 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.

FUNCTIONAL DIAGRAM

CAT5241

NONVOLATILE

REGISTERS

CONTROL

WIPER

DATA

four

Digitally

CAT5241

Doc. No. MD-2011 Rev. R

Programmable

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