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AD5347

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347

2.5 V至5.5 V、并行接口、八通道電壓輸出、10位數(shù)模轉(zhuǎn)換器; ? 低功耗工作： 1.4 mA（最大值，3.6 V時(shí)） \n\n? 掉電模式功耗：120 nA (3 V)，400 nA (5 V) \n\n? 通過設(shè)計(jì)對(duì)所有代碼保證單調(diào)性\n\n? 軌到軌輸出范圍： 0 V至 VREF 或0 V 至2 ×V REF \n\n? 上電復(fù)位至0 V \n\n? 通過LDAC引腳同時(shí)更新DAC輸出;

AD5346/AD5347/AD5348分別是八通道8/10/12位DAC，采用2.5 V至5.5 V電源供電。這些器件均集成一個(gè)片內(nèi)輸出緩沖，可將輸出同時(shí)驅(qū)動(dòng)至兩個(gè)供電軌，而且還允許選擇緩沖或無緩沖基準(zhǔn)電壓輸入。\n\n AD5346/AD5347/AD5348均具有一個(gè)并行接口。由CS選擇器件，數(shù)據(jù)則在WR的上升沿載入輸入寄存器?；刈x特性使內(nèi)部DAC寄存器能夠通過數(shù)字端口進(jìn)行回讀。\n\n 通過這些器件上的GAIN引腳，可將輸出范圍設(shè)置為0 V至VREF 或0 V至2 × VREF.\n\n 這些DAC的輸入數(shù)據(jù)要經(jīng)過雙緩沖，因而利用LDAC引腳可以同時(shí)更新系統(tǒng)中的多個(gè)DAC。\n\n 此外還提供一個(gè)異步CLR輸入引腳，可以將輸入寄存器和DAC寄存器的內(nèi)容全部復(fù)位至零。這些器件還內(nèi)置一個(gè)上電復(fù)位電路，確保DAC輸出上電至0 V并保持該電平，直到對(duì)該器件寫入有效數(shù)據(jù)為止。三款器件均為引腳兼容，用戶可以根據(jù)具體應(yīng)用選擇適當(dāng)?shù)姆直媛剩槐刂匦略O(shè)計(jì)電路板。\n\n

AD5347

2.5 V to 5.5 V, Parallel Interface Octal Voltage Output 8-/10-/12-Bit DACs

AD5347BCP

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347BCP-REEL

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347BCP-REEL7

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347BRU

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347BRU-REEL

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347BRU-REEL7

2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface

CGENERALDESCRIPTION TheAD5346/AD5347/AD53481areoctal8-,10-,and12-bitDACs,operatingfroma2.5Vto5.5Vsupply.Thesedevicesincorporateanon-chipoutputbufferthatcandrivetheoutputtobothsupplyrails,andalsoallowachoiceofbufferedorunbufferedreferenceinput. FEATURE

AD5347_15

2.5 V to 5.5 V, Parallel Interface Octal Voltage Output 8-/10-/12-Bit DACs