MAX13486E
Half-Duplex RS-485/RS-422 Transceivers in µDFN
Industry's Smallest RS-485 Transceiver with Enhanced ESD Protection
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Overview
Features and Benefits
- +5V Operation
- True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility
- Hot-Swappable for Telecom Applications
- Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission (MAX13485E)
- High-Speed Version (MAX13486E) Allows for Transmission Speeds Up to 16Mbps
- Extended ESD Protection for RS-485/RS-422 I/O Pins ±15kV Using Human Body Model
- 1/4 Unit Load, Allowing Up to 128 Transceivers on the Bus
- Available in Space-Saving 8-Pin μDFN or Industry Standard 8-Pin SO Packages
Product Details
The MAX13485E/MAX13486E +5V, half-duplex, ±15kV ESD-protected RS-485 transceivers feature one driver and one receiver. These devices include fail-safe circuitry, guaranteeing a logic-high receiver output when receiver inputs are open or shorted. The receiver outputs a logic-high if all transmitters on a terminated bus are disabled (high impedance). The MAX13485E/MAX13486E include a hot-swap capability to eliminate false transitions on the bus during power-up or live-insertion.
The MAX13485E features reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free transmission up to 500kbps. The MAX13486E driver slew rate is not limited, allowing transmit speeds up to 16Mbps.
The MAX13485E/MAX13486E feature a 1/4-unit load receiver input impedance, allowing up to 128 transceivers on the bus. These devices are intended for half-duplex communications. All driver outputs are protected to ±15kV ESD using the Human Body Model. The MAX13485E/MAX13486E are available in 8-pin SO and space-saving 8-pin µDFN packages. The devices operate over the extended -40°C to +85°C temperature range.
Applications
- Automated HVAC Systems
- Industrial Controls
- Industrial Motor Drives
- Utility Meters
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.