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MAX1491

3.5- and 4.5-Digit, Single-Chip ADCs with LCD Drivers

GeneralDescription TheMAX1491/MAX1493/MAX1495low-power,3.5-and4.5-digit,analog-to-digitalconverters(ADCs)withintegratedliquidcrystaldisplay(LCD)driversoperatefromasingle2.7Vto5.25Vpowersupply.Theyincludeaninternalreference,ahigh-accuracyon-chiposcillator,andat

MAX14914A

具有可設(shè)置限流功能、推挽驅(qū)動器選項和數(shù)字輸入配置的高側(cè)開關(guān); ? 降低功耗和散熱\n? TA = 125°C時HS RON為240mΩ（最大值）\n\n? 高側(cè)DO模式電源電流為0.9mA（典型值）\n\n? 用于1型、2型和3型數(shù)字輸入的高精度內(nèi)部限流器\n\n\n\n\n? 增強系統(tǒng)穩(wěn)健性\n? 通過SafeDemag?功能在電感不受限情況下安全關(guān)斷\n\n? 60V電源容差\n\n? 準確的短路DO模式限流\n\n? ±2kV IEC 61000-4-5浪涌保護\n\n? ±20kV IEC 61000-4-2氣隙放電ESD保護\n\n? ±7kV IEC 61000-4-2接觸放電ESD保護\n\n? 環(huán)境工作溫度范圍：-40°C至+125°C\n\n\n\n\n? 減少BOM數(shù)量和PCB空間\n? 小型4mm x 4mm TQFN封裝\n\n? 用于快速關(guān)斷感性負載的內(nèi)部箝位\n\n? 片內(nèi)5V穩(wěn)壓器 \n\n\n\n\n? 靈活易用\n? 可配置為數(shù)字輸入或高側(cè)/推挽數(shù)字輸出\n\n? 低泄漏模式(MAX14914A)支持高精度AIO/DIO應用\n\n? 高側(cè)開關(guān)具有可通過電阻設(shè)置的限流功能（135mA至1.3A） \n\n? 引腳可選1/3型或2型 DI操作\n\n\n\n\n? 提高系統(tǒng)速度和吞吐量\n? 傳播延遲低于2μs;

MAX14914、MAX14914A和MAX14914B是高側(cè)/推挽驅(qū)動器系列，可用作工業(yè)數(shù)字輸出(DO)和工業(yè)數(shù)字輸入(DI)。MAX14914在DO和DI工作模式下均完全符合IEC 61131-2標準。高側(cè)開關(guān)電流可通過電阻設(shè)置為135mA（最小值）至1.3A（最小值）。高側(cè)驅(qū)動器在125°C環(huán)境溫度下的導通電阻為120mΩ（典型值）。可選的推挽操作用于驅(qū)動電纜和負載電容的快速放電。對于安全應用，通過DOI_LVL引腳來監(jiān)控和指示輸出電壓。\n\n 配置為DI操作時，MAX14914系列符合1型、2型或3型輸入特性。\n\n MAX14914A為MAX14914的低DOI泄漏版本，可與MAX22000工業(yè)可配置模擬IO器件配合使用。MAX14914B具有高側(cè)開關(guān)過流指示功能。\n\n ?\n\n

MAX14916

Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

GeneralDescription TheMAX14916andMAX14916Aareequippedwitheighthigh-sideswitcheswithanon-resistanceofonly120mΩ(typ),or250mΩ(max)at125°Cambienttemperature.Eachchannelisspecifiedtohandleupto1.1A(MAX14916)or1.5A(MAX14916A)ofcontinuouscurrent.Similarly,twoadj

MAX14916A

具有診斷功能的緊湊型工業(yè)用八通道1A/四通道2A高端開關(guān); ? MAX14916限流值，1.1A（最小值）或1.38A（典型值）\n\n? MAX14916A限流值，1.5A（最小值）或2A（典型值）\n\n? 穩(wěn)健性和智能診斷\n? 電源電壓范圍：65V（絕對最大值）\n\n? 用于感性負載快速退磁的內(nèi)部箝位\n\n? SPI接口支持CRC錯誤校驗\n\n? 看門狗定時器\n\n? 開關(guān)處于ON和OFF狀態(tài)時的開路檢測\n\n? 帶UVLO的欠壓檢測\n\n? VDD 或GND丟失保護\n\n? 熱關(guān)斷保護\n\n? 集成±1kV/42Ω IEC61000-4-5浪涌保護\n\n? 工作環(huán)境溫度范圍：-40°C至+125°C;

MAX14916和MAX14916A配備8個高側(cè)開關(guān)，在125°C環(huán)境溫度下的導通電阻僅為120mΩ（典型值）或250mΩ（最大值）。每個通道可處理高達1.1A (MAX14916)或1.5A (MAX14916A)的額定連續(xù)電流。同樣，兩個相鄰通道可以一起驅(qū)動，形成四個2.4A (MAX14916)或3A (MAX14916A)開關(guān)。\n\n SPI接口有一個內(nèi)置的芯片尋址解碼器，支持使用一個通用SPI片選(CS))與多達四個MAX14916或MAX14916A器件進行通信。\n\n SPI接口為全局和各通道配置及診斷提供了靈活性，包括欠壓檢測、開路檢測、過載和限流報告、熱狀況報告等。\n\n 每個通道都配備開路檢測，可以在開關(guān)導通和斷開狀態(tài)下檢測開路負載。LED驅(qū)動器可指示各通道故障、狀態(tài)和電源欠壓狀況。內(nèi)部有源箝位允許快速關(guān)斷感性負載。\n\n 集成的線對地和線對線浪涌保護僅要求VDD上有一個TVS。四通道和八通道配置都集成浪涌保護功能。\n\n MAX14916和MAX14916A采用緊湊的48引腳6mm x 6mm QFN封裝。\n\n

MAX14916AAFM+

Package：QFN48；Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

GeneralDescription TheMAX14916andMAX14916Aareequippedwitheighthigh-sideswitcheswithanon-resistanceofonly120mΩ(typ),or250mΩ(max)at125°Cambienttemperature.Eachchannelisspecifiedtohandleupto1.1A(MAX14916)or1.5A(MAX14916A)ofcontinuouscurrent.Similarly,twoadj

MAX14916AAFM+T

Package：QFN48；Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

GeneralDescription TheMAX14916andMAX14916Aareequippedwitheighthigh-sideswitcheswithanon-resistanceofonly120mΩ(typ),or250mΩ(max)at125°Cambienttemperature.Eachchannelisspecifiedtohandleupto1.1A(MAX14916)or1.5A(MAX14916A)ofcontinuouscurrent.Similarly,twoadj

MAX14916AFM+

Package：QFN48；Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

GeneralDescription TheMAX14916andMAX14916Aareequippedwitheighthigh-sideswitcheswithanon-resistanceofonly120mΩ(typ),or250mΩ(max)at125°Cambienttemperature.Eachchannelisspecifiedtohandleupto1.1A(MAX14916)or1.5A(MAX14916A)ofcontinuouscurrent.Similarly,twoadj

MAX14916AFM+T

Package：QFN48；Compact Industrial Octal 1A/Quad 2A High-Side Switch with Diagnostics

GeneralDescription TheMAX14916andMAX14916Aareequippedwitheighthigh-sideswitcheswithanon-resistanceofonly120mΩ(typ),or250mΩ(max)at125°Cambienttemperature.Eachchannelisspecifiedtohandleupto1.1A(MAX14916)or1.5A(MAX14916A)ofcontinuouscurrent.Similarly,twoadj

MAX14918

SPI / Parallel Controlled Quad Low-Side Switches with Reverse Current Detection

GeneralDescription TheMAX14918andMAX14918Aarequad700mAlowside switchesforindustrialapplications.Eachdevice featuresfour140mΩ(typ)on-resistance(RON)switches withintegrated±1.2kV/42Ωsurgeprotection.Twoor moreoutputscanbeconnectedinparalleltoprovide higherload

MAX14918

SPI / Parallel Controlled Quad Low-Side Switches with Reverse Current Detection; +5V (V5) or +7V to +65V (VDD) Supply Voltage Operation\n 700mA DC Capability Per Channel across Temperature Range\n140mΩ (typ) On-Resistance Per Channel\n Settable Load Current Limit 100mA (typ) to 900mA (typ)\n +5V to +48V Load Voltage Range\n2x Inrush Load Current Option for 10ms (min)\n Robust Design Features\n Internal Inductive Energy Clamp at +55V (typ)\nShort-Circuit Protection at OUT_ of up to +49V\n\n Reverse Current Detection against Load-Supply Miswiring\n±1.2kV/42Ω Surge Protection\n ±8kV Contact and ±25kV Air-Gap ESD Protection\n -40°C to +125°C Operating Ambient Temperature\nDiagnostic FAULT Indication for\nThermal Overload\n Reverse Load Current Detection\n Undervoltage Lockout (UVLO) on V5 Supply\n Compact 24-Pin, 4mm x 5mm TQFN Package;

The MAX14918 and MAX14918A are quad 700mA lowsideswitches for industrial applications. Each devicefeatures four 140mΩ (typ) on-resistance (RON) switcheswith integrated ±1.2kV/42Ω surge protection. Two ormore outputs can be connected in parallel to providehigher load current.\n\nThe maximum load current is actively limited and isresistor settable between 100mA (typ) and 900mA (typ).For load that draws high inrush current, the MAX14918and MAX14918A have the inrush mode which provides2x current after switch turn-on for 10ms (min).The MAX14918 has an SPI allowing control of multipleMAX14918 devices through a common daisy-chainedinterface for high channel-count applications, minimizinggalvanic isolation channels. Per-channel diagnostics arereturned on the serial data output (SDO). Datacorruption on the serial data input (SDI) is automaticallydetected and signaled on the SPIFLT output.\n\nThe MAX14918A offers a pin-based switch control witha latch option (LATCHEN) which allows sharing of thefour IN_ control signals among multiple MAX14918Adevices.\n\nSlew rate control provides controlled turn-on edge forreducing electromagnetic interference or EMI emissions.Simultaneously, a global DIS control signal allowsdisabling of all OUT_ switches quickly.\n\nThe integrated 5V low dropout (LDO) regulator in theMAX14918 and MAX14918A can be used to powerexternal isolators or other logic circuitry.