Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

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Dual 64-/256-Position I2C Nonvolatile Memory Digital Potentiometers

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I2C, 非易失性存儲(chǔ)器、雙通道、64位數(shù)字電位計(jì)

AD5251是一款具有64位的雙通道、I2C、非易失性存儲(chǔ)器、數(shù)控電位計(jì)。可實(shí)現(xiàn)與機(jī)械電位計(jì)、調(diào)整器和可變電阻相同的電子調(diào)整功能。器件的多功能編程能力支持多種工作模式，包括對(duì)RDAC和EEMEM寄存器進(jìn)行讀/寫訪問、電阻遞增/遞減、±6 dB電阻量程變化和游標(biāo)設(shè)置回讀，同時(shí)提供額外的EEMEM，用于存儲(chǔ)用戶定義信息，如其他元件的存儲(chǔ)器數(shù)據(jù)、查找表或系統(tǒng)識(shí)別信息。\n\n AD5251/AD5252允許主I2C控制器在RDAC寄存器中寫入64/256步游標(biāo)設(shè)置并將其存儲(chǔ)在EEMEM中。存儲(chǔ)設(shè)置后，在系統(tǒng)上電時(shí)它們自動(dòng)恢復(fù)到RDAC寄存器；也可動(dòng)態(tài)恢復(fù)這些設(shè)置。\n\n AD5 ? 雙通道64位分辨率\n\n? 50 k?\n\n? 非易失性存儲(chǔ)器存儲(chǔ)帶寫入保護(hù)的游標(biāo)設(shè)置 \n\n? 在300 μs（典型值）內(nèi)上電刷新EEMEM設(shè)置\n\n? EEMEM重寫時(shí)間 = 540 μs（典型值）\n\n? 電阻容差存儲(chǔ)在非易失性存儲(chǔ)器中\(zhòng)n\n? 在EEMEM中存儲(chǔ)12個(gè)額外的字節(jié)，用于用戶定義信息\n\n? I2C兼容串行接口\n\n? 對(duì)RDAC和EEMEM寄存器進(jìn)行直接讀/寫訪問\n\n? 預(yù)定義線性遞增/遞減命令\n\n? 預(yù)定義±6 dB步進(jìn)變化命令\n\n? 同步或異步雙通道更新\n\n? 游標(biāo)設(shè)置回讀功能\n\n? 4 MHz帶寬——1 k?版本\n\n? 單;

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Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾

Dual 64-and 256-Position I2C Nonvolatile Memory Digital Potentiometers

GENERAL DESCRIPTION The AD5251/AD5252 are dual-channel, I2C?, nonvolatile memory, digitally controlled potentiometers with 64/256 positions, respectively. These devices perform the same electronic adjustment functions as mechanical potentiometers, trimmers, and variable resistors. The parts’ vers

文件：859.12 Kbytes 頁數(shù)：28 Pages

AD

亞德諾