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MAX3488AE Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3488AE Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 19 page Ordering Information appears at end of data sheet. General Description Devices in the MAX3483AE family (MAX3483AE/ MAX3485AE/MAX3488AE/MAX3490AE/MAX3491AE) are ±20kV ESD-protected RS-485/422 transceivers, optimized for extended cable runs in noisy environments. All devices operate from a single 3.3V supply. The MAX3483AE and MAX3485AE are half-duplex transceivers. The MAX3488AE, MAX3490AE, and MAX3491AE are full-duplex transceivers. All receivers feature a unit-load input impedance, allowing up to 32 devices on a single bus. Each transceiver includes a fail-safe receiver, ensuring that the receiver output (RO) is high when inputs are shorted, open, or connected to a tri-state bus. All devices feature enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±20kV HBM ESD, ±15kV Air-Gap ESD and ±8kV Contact ESD in accordance to IEC 61000-4-2. The MAX3483AE, MAX3485AE, MAX3488AE, and MAX3490AE are available in industry standard 8-pin SO package, while the MAX3491AE is available in a 14-pin SO package. Benefits and Features ● IntegratedProtectionIncreasesRobustness • HighESDProtection ±20kV HBM ESD per JEDEC JS-001-2012 ±15kV Air Gap per IEC 61000-4-2 ±8kV Contact ESD per IEC 61000-4-2 • Short-CircuitProtectedOutputs • TrueFail-SafeReceiverPreventsFalseTransition on Receiver Input Short or Open Events • Hot-Swap Capability Eliminates False Transitions DuringPower-UporHotInsertion ● High-SpeedDataRatesupto20Mbps ● Upto-40°Cto+125°COperatingTemperature ● AllowsUpto128TransceiversontheBus Applications ● Industrial-ControlLocalAreaNetworks ● TransceiversforEMI-SensitiveApplications ● Telecommuncations 19-8506; Rev 0; 3/16 MAX3491AE VCC RO DI Y Z B A DE RE D R MAX3488AE MAX3490AE SHUTDOWN VCC RO RE DE DI Y Z B A D R R D SHUTDOWN RO RE DE DI A B MAX3483AE MAX3485AE Functional Diagram MAX3483AE/MAX3485AE/ MAX3488AE/MAX3490AE/ MAX3491AE +3.3V-Powered, ±20kV ESD-Protected, 20Mbps and Slew-Rate-Limited RS-485/RS-422 Transceivers |
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