TPT485E(3PEAK思瑞浦)
- The TPT485E is 4.5V~5.5V powered transceivers thatmeet the RS-485 and RS-422 standards for balancedcommunication. Driver outputs and receiver inputs areprotected against 18 kV ESD strikes without latch-up.Transmitters in this family deliver
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The TPT485E is 4.5V~5.5V powered transceivers thatmeet the RS-485 and RS-422 standards for balancedcommunication. Driver outputs and receiver inputs areprotected against ±18 kV ESD strikes without latch-up.Transmitters in this family deliver exceptional differentialoutput voltages as 2.5V (min) in 5Vcc power supplier, intothe RS-485 required 54Ω load, for better noise immunity.These devices have very low bus currents so they presenta true “1/8 unit load” to the RS-485 bus. This allows up to256 transceivers on the network without using repeaters.Receiver (RX) inputs feature a “Full Fail-Safe” design,which ensures a logic high Rx output if Rx inputs arefloating, shorted, or on a terminated but undriven bus.The TPT485E is available in an SOP8 package, and ischaracterized from –40°C to 125°C.
Features
◼ Exceeds Requirements of EIA-485 Standard
◼ Data Rate: 500 kbps
◼ Support Failsafe function
◼ Low Power Consumption: < 1 µA StandbySupply Current
◼ Large Receiver Hysteresis: 60mV
◼ Up to 256 Nodes on a Bus (1/8 unit load)
◼ Wide Supply Voltage 4.5V to 5.5V
◼ SOP8 Package for Backward Compatibility
◼ Bus-Pin Protection:
⚫ ±18 kV HBM protection
⚫ ±12 kV IEC61000-4-2 Contact Discharge
Applications
⚫ E-Metering Networks
⚫ HVAC Systems
⚫ Video Surveillance Systems
⚫ DMX512-Networks
Features
◼ Exceeds Requirements of EIA-485 Standard
◼ Data Rate: 500 kbps
◼ Support Failsafe function
◼ Low Power Consumption: < 1 µA StandbySupply Current
◼ Large Receiver Hysteresis: 60mV
◼ Up to 256 Nodes on a Bus (1/8 unit load)
◼ Wide Supply Voltage 4.5V to 5.5V
◼ SOP8 Package for Backward Compatibility
◼ Bus-Pin Protection:
⚫ ±18 kV HBM protection
⚫ ±12 kV IEC61000-4-2 Contact Discharge
Applications
⚫ E-Metering Networks
⚫ HVAC Systems
⚫ Video Surveillance Systems
⚫ DMX512-Networks
