Datasheet > CAT5221WI-25TE13

CAT5221WI-25TE13

更新时间： 2024-11-18 22:10:39

品牌	Logo	应用领域
CATALYST		/
页数	文件大小	规格书
16页	114K
描述
Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface

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CAT5221WI-25TE13 数据手册

CAT5221

Dual Digitally Programmable Potentiometers (DPP™)

with 64 Taps and 2-wire Interface

FEATURES

■ Automatic recall of saved wiper settings at

■ Two linear-taper digitally programmable

power up

potentiometers

■ 2.5 to 6.0 volt operation

■ 64 resistor taps per potentiometer

■ Standby current less than 1µA

■ 1,000,000 nonvolatile WRITE cycles

■ 100 year nonvolatile memory data retention

■ 20-lead SOIC and TSSOP packages

■ Industrial temperature ranges

■ End to end resistance 2.5kΩ, 10kΩ, 50kΩ or 100kΩ

■ Potentiometer control and memory access via

2-wire interface (I²C like)

■ Low wiper resistance, typically 80Ω

■ Nonvolatile memory storage for up to four wiper

settings for each potentiometer

DESCRIPTION

wiper control register or any of the non-volatile data

registers is via a 2-wire serial bus (I²C-like). On power-

up, the contents of the first data register (DR0) for each

ofthefourpotentiometersisautomaticallyloadedintoits

respective wiper control register (WCR).

The CAT5221 is two Digitally Programmable

Potentiometers (DPPs™) integrated with control logic

and 16 bytes of NVRAM memory. Each DPP consists of

aseriesof63resistiveelementsconnectedbetweentwo

externallyaccessibleendpoints.Thetappointsbetween

eachresistiveelementareconnectedtothewiperoutputs

with CMOS switches. A separate 6-bit control register

(WCR)independentlycontrolsthewipertapswitchesfor

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

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.

FUNCTIONAL DIAGRAM

PIN CONFIGURATION

SOIC Package (J, W)

TSSOP Package (U, Y)

WIPER

CONTROL

REGISTERS

SCL

SDA

2-WIRE BUS

INTERFACE

CAT

5221

NONVOLATILE

DATA

REGISTERS

CONTROL

LOGIC

SCL

SDA

GND

Characteristics subject to change without notice

Document No. 2113, Rev. I

12 3 4 5 6 7...16

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与CAT5221WI-25TE13相关器件

型号	品牌	获取价格	描述	数据表
CAT5221WI-25-TE13	CATALYST	获取价格	Digital Potentiometer, 2 Func, 2500ohm, 2-wire Serial Control Interface, 64 Positions, PDS
CAT5221WI-25-TE13	ONSEMI	获取价格	DUAL 2.5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO20, 0.
CAT5221WI50	ONSEMI	获取价格	Dual Digitally Programmable Potentiometer (DP
CAT5221WI-50	ONSEMI	获取价格	Dual Digitally Programmable Potentiometer with 64 Taps and I2C Interface
CAT5221WI-50	CATALYST	获取价格	Dual Digitally Programmable Potentiometer (DP
CAT5221WI-50-T1	ONSEMI	获取价格	Dual Digitally Programmable Potentiometer (DP
CAT5221WI-50-T2	ONSEMI	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO20, 0.3
CAT5221WI-50-T2	CATALYST	获取价格	Digital Potentiometer, 2 Func, 50000ohm, 2-wire Serial Control Interface, 64 Positions, PD
CAT5221WI-50TE13	CATALYST	获取价格	Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface
CAT5221WI-50-TE13	CATALYST	获取价格	DUAL 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO20, 0.3

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