CAT5269

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?Digital Potentiometer (POT), Dual 256-Tap, with 2-wire Interface

制造商：ON

中文數(shù)據(jù)手冊

產(chǎn)品信息

The CAT5269 is two digital POTs integrated with control logic and 18 bytes of NVRAM memory. Each digital POT 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 digital POT. 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 2-wire 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 registers.
The CAT5269 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 -40°C to 85°C industrial operating temperature range.

Two linear taper digital potentiometers
256 resistor taps per potentiometer
End to end resistance 50 kΩ or 100 kΩ
Potentiometer control and memory access via 2-wire interface (I2C like)
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
Industrial temperature range

在線購買

型號	制造商	描述	購買
CAT5269YI00	-	-	立即購買
CAT5269WI00	-	-	立即購買
CAT5269WI-00-T1	-	-	立即購買
CAT5269YI50	-	-	立即購買
CAT5269YI-00-T2	-	-	立即購買
CAT5269WI50	-	-	立即購買

技術(shù)資料

標(biāo)題	類型	大小（KB）	下載
SOIC-24, 300 mils	PDF	55	點(diǎn)擊下載
TSSOP24, 4.4x7.8	PDF	55	點(diǎn)擊下載
Digital Potentiometer (POT), Dual 256-Tap, with 2-wire Interface	PDF	206	點(diǎn)擊下載

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