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MAX4820

+3.3V/+5V、8通道、可級聯(lián)的繼電器驅(qū)動器，具有串行/并行接口; ? 8個(gè)獨(dú)立輸出通道\n? 內(nèi)置電感反沖保護(hù)\n? 驅(qū)動+3V和+5V繼電器\n? 確保70mA (最小)線圈驅(qū)動電流\n? /SET可以同時(shí)打開全部輸出\n? /RESET可以同時(shí)關(guān)閉全部輸出\n? 兼容SPI/QSPI/MICROWIRE串行接口(MAX4820)\n? 菊花鏈串行數(shù)字輸出(MAX4820)\n? 并行接口(MAX4821)\n? 靜態(tài)電流低至50μA (最大)\n? 節(jié)省空間的20引腳、薄型QFN封裝;

MAX4820/MAX4821八通道繼電器驅(qū)動器具備內(nèi)部反沖保護(hù)、可驅(qū)動+3.3V/+5V非鎖存或雙線圈鎖存繼電器。這些器件在驅(qū)動+3V繼電器時(shí)特別有用。每個(gè)獨(dú)立的開漏輸出具有2Ω導(dǎo)通電阻，確保提供70mA (最小)的負(fù)載電流。兩款器件最多消耗50μA (最大)靜態(tài)電流，并且有1μA的輸出漏電流。\n\n MAX4820具有一個(gè)與SPI?/QSPI?/MICROWIRE?兼容的串行接口。輸入數(shù)據(jù)移入8位移位寄存器、并當(dāng)/CS由低電平變?yōu)楦唠娖綍r(shí)將這些數(shù)據(jù)鎖存到輸出端。移位寄存器中的每個(gè)數(shù)據(jù)位都對應(yīng)著一個(gè)特定的輸出，并允許獨(dú)立控制全部輸出。\n\n MAX4821具有一個(gè)4位(A0、A1、A2、LVL)并行輸入接口。前三位(A0, A1, A2)決定輸出地址，第四位(LVL)決定打開或關(guān)閉所選輸出。當(dāng)/CS由低電平變?yōu)楦唠娖綍r(shí)，數(shù)據(jù)會被鎖存到輸出端。\n\n 兩款器件具有單獨(dú)的置位和復(fù)位功能，允許用戶用一條控制線同時(shí)打開或關(guān)閉全部輸出。所有數(shù)字輸入內(nèi)置滯回(施密特觸發(fā))適合緩慢的上升或下降信號，比如來自光耦或RC上電初始電路的信號。MAX4820/MAX4821采用20引腳TSSOP或節(jié)省空間的20引腳、薄型QFN封裝。\n\n \n\n

MAX4820

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820_09

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820_10

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820ETP

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820ETP

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820ETP+

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

MAX4820EUP

3.3V/5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface