 Semiconductor Components Industries, LLC, 2013

July, 2013 − Rev. 11

1

Publication Order Number:

CAT5419/D

CAT5419

Dual Digital

Potentiometer (POT)

with 64 Taps

and 2‐wire Interface

Description

The CAT5419 is two digital POTs integrated with control logic and

16 bytes of NVRAM memory.

A separate 6-bit control register (WCR) independently controls the

wiper tap position for each digital POT. 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 2-wire serial

(DR0) for each of the two potentiometers is automatically loaded into

its respective wiper control registers (WCR).

The Write Protection (WP) pin protects against inadvertent

programming of the data register.

The CAT5419 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.

Features

Compliant

http://onsemi.com

TSSOP24

Y SUFFIX

CASE 948AR

PIN CONNECTIONS

SOIC−24 (W)

(Top View)

NC

1

A2

NC

NC

NC

SOIC−24

W SUFFIX

CASE 751BK

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.

ORDERING INFORMATION

NC

SCL

NC

NC

WP

SDA

CAT5419

NC

NC

GND

TSSOP24 (Y)

(Top View)

CAT5419

WP

NC

NC

NC

NC

NC

SDA

GND

NC

NC

NC

NC

SCL

1