Datasheet > CAT5251YI-50TE13

CAT5251YI-50TE13

更新时间： 2024-11-25 22:54:19

品牌	Logo	应用领域
CATALYST		/
页数	文件大小	规格书
15页	97K
描述
Quad Digitally Programmable Potentiometer (DPP) with 256 Taps and SPI Interface

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CAT5251YI-50TE13 数据手册

CAT5251

QuadDigitallyProgrammablePotentiometer(DPP™)with

256 Taps and SPI Interface

FEATURES

■ Automatic recall of saved wiper settings at

■ Four linear-taper digitally programmable

power up

potentiometers

■ 2.5 to 6.0 volt operation

■ 256 resistor taps per potentiometer

■ End to end resistance 50kΩ or 100kΩ

■ Standby current less than 1µA

■ 1,000,000 nonvolatile WRITE cycles

■ 100 year nonvolatile memory data retention

■ 24-lead SOIC and 24-lead TSSOP

■ Industrial temperature range

■ Potentiometer control and memory access via

SPI interface

■ Low wiper resistance, typically 100Ω

■ Nonvolatile memory storage for up to four wiper

settings for each potentiometer

DESCRIPTION

registers is via a SPI 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.

The CAT5251 is four Digitally Programmable

Potentiometers (DPPs™) integrated with control logic

and 16 bytes of NVRAM memory. Each DPP consists of

a series of resistive elements connected between two

externallyaccessibleendpoints.Thetappointsbetween

eachresistiveelementareconnectedtothewiperoutputs

with CMOS switches. A separate 8-bit control register

(WCR)independentlycontrolsthewipertapswitchesfor

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

The CAT5251 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. Itisavailableinthe-40°Cto85°Cindustrial

operating temperature range and offered in a 24-lead

SOIC and TSSOP package.

FUNCTIONAL DIAGRAM

PIN CONFIGURATION

SOIC/TSSOP Package (J, W/U, Y)

HOLD

SCK

WIPER

CONTROL

REGISTERS

SPI BUS

INTERFACE

CAT

5251

GND

NONVOLATILE

DATA

REGISTERS

CONTROL

LOGIC

HOLD

Characteristics subject to change without notice

Document No. 2017, Rev. D

12 3 4 5 6 7...15

中文翻译

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与CAT5251YI-50TE13相关器件

型号	品牌	获取价格	描述	数据表
CAT5251YI-50-TE13	ONSEMI	获取价格	IC QUAD 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24,
CAT5259	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface
CAT5259	ONSEMI	获取价格	Quad Digitally Programmable Potentiometers (D
CAT5259_08	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (D
CAT5259_13	ONSEMI	获取价格	Quad Digital Potentiometer (POT)
CAT5259JI-00	CATALYST	获取价格	Digital Potentiometer, 4 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
CAT5259JI-00TE13	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface
CAT5259JI-00-TE13	CATALYST	获取价格	Digital Potentiometer, 4 Func, 100000ohm, 2-wire Serial Control Interface, 256 Positions,
CAT5259JI-50	CATALYST	获取价格	Digital Potentiometer, 4 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, P
CAT5259JI-50TE13	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface

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