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    首頁產(chǎn)品索引CAT5251

    CAT5251

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    ?Digital Potentiometer (POT), Quad 256-Tap, with I

    制造商：ON

    中文數(shù)據(jù)手冊

    產(chǎn)品信息

    The CAT5251 is four digital POTs integrated with control logic and 16 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 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 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.
    • Four linear-taper digital potentiometers
    • 256 resistor taps per potentiometer
    • End to end resistance 50 kΩ or 100 kΩ
    • Potentiometer control and memory access via SPI 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
    • Industrial temperature range

    在線購買

    型號制造商描述購買
    CAT5251WI-50-T1ONIC DGTL POT 50KOHM 256TAP 24SOIC 立即購買
    CAT5251WI-00-T1ONIC DGT POT 100KOHM 256TAP 24SOIC 立即購買
    CAT5251YI-50-T2ON 立即購買
    CAT5251YI-00-T2ONCAT5251 是四個數(shù)字電位器集成控制邏輯和16字節(jié)的NVRAM內(nèi)存。每個數(shù)字電位器由一系列電阻元件組成，連接在兩個外部可訪問的端點(diǎn)之間。 立即購買
    CAT5251YI00-- 立即購買
    CAT5251WI00-- 立即購買

    技術(shù)資料

    標(biāo)題類型大?。↘B）下載
    SOIC-24, 300 milsPDF55 點(diǎn)擊下載
    TSSOP24, 4.4x7.8PDF55 點(diǎn)擊下載
    Digital Potentiometer (POT), Quad 256-Tap, with I2C InterfacePDF202 點(diǎn)擊下載

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