CAT5221WI-50-T2 datasheet, PDF

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CAT5221WI-50-T2: DescriptionDUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO20, 0.300 INCH, ROHS COMPLIANT, MS-013, SOIC-20; CategoryAnalog mixed-signal IC converter; File Size193KB，15 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn; Environmental Compliance

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CAT5221WI-50-T2 Overview

DUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO20, 0.300 INCH, ROHS COMPLIANT, MS-013, SOIC-20

CAT5221WI-50-T2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	ON Semiconductor
Parts packaging code	SOIC
package instruction	SOP, SOP20,.4
Contacts	20
Reach Compliance Code	compliant
ECCN code	EAR99
Other features	NONVOLATILE MEMORY
control interface	2-WIRE SERIAL
Converter type	DIGITAL POTENTIOMETER
JESD-30 code	R-PDSO-G20
JESD-609 code	e3
length	12.8 mm
Humidity sensitivity level	1
Number of functions	2
Number of positions	64
Number of terminals	20
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP20,.4
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
power supply	3/5 V
Certification status	Not Qualified
resistance law	LINEAR
Maximum resistor tolerance	20%
Maximum resistor terminal voltage	3 V
Minimum resistor terminal voltage
Maximum seat height	2.64 mm
Nominal supply voltage	3 V
surface mount	YES
Nominal temperature coefficient	300 ppm/°C
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
Nominal total resistance	50000 Ω
width	7.5 mm

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CAT5221

Dual Digital

Potentiometer (POT)

with 64 Taps

and I

C Interface

Description

http://onsemi.com

The CAT5221 is two digital POTs integrated with control logic and

16 bytes of NVRAM memory. Each digital POT 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

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 I

C serial bus. On power-up, the

contents of the first data register (DR0) for each of the four

potentiometers is automatically loaded into its respective wiper

control register (WCR).

The CAT5221 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

TSSOP−20

Y SUFFIX

CASE 948AQ

SOIC−20

W SUFFIX

CASE 751BJ

PIN CONNECTIONS

SDA

GND

SOIC−20 (W)

TSSOP−20 (Y)

(Top View)

CAT5221

SCL



Two Linear-taper Digital Potentiometers

64 Resistor Taps per Potentiometer

End to End Resistance 2.5 kW, 10 kW, 50 kW or 100 kW

Potentiometer Control and Memory Access via I

C Interface

Low Wiper Resistance, Typically 80

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

1,000,000 Nonvolatile WRITE Cycles

100 Year Nonvolatile Memory Data Retention

20-lead SOIC and TSSOP Packages

Industrial Temperature Range

These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS

Compliant

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 13 of this data sheet.



Semiconductor Components Industries, LLC, 2013

July, 2013

−

Rev. 14

Publication Order Number:

CAT5221/D

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