CAT5259WI50

更新时间： 2024-01-11 06:13:14

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
16页	268K
描述
Quad Digitally Programmable Potentiometers (DPPâ¢) with 256 Taps and IÂ²C Interface

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CAT5259WI50 数据手册

CAT5259

Quad Digitally Programmable Potentiometers

(DPP™) with 256 Taps and I²C Interface

FEATURES

DESCRIPTION

Four linear taper digitally programmable

The CAT5259 is four digitally programmable poten–

tiometers (DPPs™) integrated with control logic and

16 bytes of NVRAM memory. Each DPP consists of a

series of 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 8-bit

control register (WCR) independently controls the

wiper tap switches for 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 registers is via a I²C serial

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

is automatically loaded into its respective wiper

control registers.

potentiometers

256 resistor taps per potentiometer

End to end resistance 50 kΩ or 100 kΩ

Potentiometer control and memory access via

I²C interface

Low wiper resistance, typically 100 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

24-lead SOIC and 24-lead TSSOP packages

Industrial temperature range

The CAT5259 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. It is available in the 0ºC to 70ºC

commercial and -40ºC to 85ºC industrial operating

temperature ranges and offered in a 24-lead SOIC

and TSSOP package.

For Ordering Information details, see page 15.

FUNCTIONAL DIAGRAM

PIN CONFIGURATION

SOIC (W)

TSSOP (Y)

24 A3

SCL

SDA

I²C BUS

INTERFACE

WIPER CONTROL

REGISTERS

ꢀ

23 SCL

22 R_L2

21 R_H2

20 R_W2

19 NC

18 GND

17 R_W1

16 R_H1

15 R_L1

14 A1

R_W3

R_H3

R_L3

V_CC

R_LO

R_HO

NONVOLATILE

DATA

REGISTERS

CONTROL LOGIC

R_WO10

A2 11

13 SDA

Characteristics subject to change without notice

Doc. No. MD-2000 Rev. J

12 3 4 5 6 7...16

中文翻译

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CAT5259WI50 替代型号

型号	品牌	替代类型	描述	数据表
CAT5259YI-50-T2	ONSEMI	完全替代	Quad Digitally Programmable Potentiometers (D
CAT5259YI-00-T2	ONSEMI	完全替代	Quad Digitally Programmable Potentiometers (D

与CAT5259WI50相关器件

型号	品牌	获取价格	描述	数据表
CAT5259WI-50	ONSEMI	获取价格	Quad Digitally Programmable Potentiometers wi
CAT5259WI-50	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (D
CAT5259WI-50-T1	ONSEMI	获取价格	Quad Digitally Programmable Potentiometers (D
CAT5259WI-50TE13	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface
CAT5259WI-50-TE13	ONSEMI	获取价格	IC QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24,
CAT5259WI-50-TE13	CATALYST	获取价格	Digital Potentiometer, 4 Func, 50000ohm, 2-wire Serial Control Interface, 256 Positions, P
CAT5259YI00	ONSEMI	获取价格	Quad Digitally Programmable Potentiometers (D
CAT5259YI-00	ONSEMI	获取价格	Quad Digitally Programmable Potentiometers wi
CAT5259YI-00	CATALYST	获取价格	Quad Digitally Programmable Potentiometers (D
CAT5259YI-00-T2	ONSEMI	获取价格	Quad Digitally Programmable Potentiometers (D

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