TP8485E ±18K ESD Protection, Full Fail-Safe RS-485 Transceiver
The TP8485E are 3V~5.5V powered transceivers that meet the RS-485 and RS-422 standards for balanced communication. Driver outputs and receiver inputs are protected against ±18kV ESD strikes without latch-up.
Transmitters in this family deliver exceptional differential output voltages (2.5V min/5Vcc), into the RS-485 required 54Ω load, for better noise immunity, or to allow up to eight 120Ω terminations in “star” topologies. These devices have very low bus currents so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 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 are floating, shorted, or on a terminated but undriven bus. Rx outputs feature high drive levels -typically 25mA@VOL = 1V (to ease the design of optocoupled isolated interfaces).
The TP8485E is available in an SOIC-8 and MSOP-8 package, and is characterized from –40°C to125°C.
Features：
●Exceeds Requirements of EIA-485 Standard.
●Hot Plug Circuitry -Tx and Rx Outputs Remain Three-State During Power-up/Power-down.
●Data Rate: Up to250 kbps.
●Full Fail-safe (Open,Short, Terminated) Receivers.
●Up to 256 Nodes on a Bus (1/8 unit load).
●Wide Supply Voltage 3V to 5.5V.
●SOIC-8 Package for Backward Compatibility.
●Bus-Pin Protection: ±18kV HBM protection.
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TP8485E 、 TP8485E-SR 、 TP8485E-VR 、 CRCW0603010RJNEAHP 、 CDSOT23-SM712 、 TBU-CA-065-200-WH 、 MOV-10D201K |
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[ E-Metering Networks ][ Industrial Automation ][ HVAC Systems ][ Process Control ][ DMX512-Networks ][ Battery-Powered Applications ] |
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Datasheet |
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Please see the document for details |
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8-Pin SOIC;8-Pin MSOP |
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English Chinese Chinese and English Japanese |
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2017/12/25 |
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Rev. C |
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1.3 MB |
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