±10kV ESD Protected, +125°C, 40Mbps, 5V, Full-Duplex, Full Fail-Safe RS-485/RS-422 Transceiver
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概要
Description
The ISL3160E is a ±10kV IEC61000 ESD protected, 5V powered, full-duplex transceiver that meets both the RS-485 and RS-422 standards for balanced communication. It also features a large differential output voltage and high data rate (up to 40Mbps) and is offered in the standard industrial (-40°C to +85°C) and extended industrial (-40°C to +125°C) temperature ranges. The low bus currents (+220μA/-150μA) present a 1/5 unit load to the RS-485 bus. This allows up to 160 transceivers on the network without violating the RS-485 specification’s load limit and without using repeaters. This transceiver requires a 5V ±10% tolerance supply, and delivers at least a 2. 1V differential output voltage over this supply range. This translates into better noise immunity (data integrity), longer reach, or the ability to drive up to six 120Ω terminations in “star” or other nonstandard bus topologies at the exceptional 40Mbps data rate. SCSI applications benefit from the ISL3160E’s low receiver and transmitter part-to-part skews. The ISL3160E is perfect for high speed parallel applications requiring simultaneous capture of large numbers of bits. The low bit-to-bit skew eases the timing constraints on the data latching signal. Receiver (Rx) inputs feature a “full fail-safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or terminated but undriven. Rx outputs feature high drive levels (typically >30mA at VOL = 1V) to ease the design of optically isolated interfaces. Hot plug circuitry ensures that the Tx and Rx outputs remain in a high impedance state while the power supply stabilizes. Driver (Tx) outputs are short-circuit protected, even for voltages exceeding the power supply voltage. Additionally, on-chip thermal shutdown circuitry disables the Tx outputs to prevent damage if power dissipation becomes excessive.
特長
- High ESD protection on RS-485 I/O pins: ±10kV
- Class 3 HBM ESD level on all other pins: >3kV
- Large differential VOUT 2.8V into 54Ω better noise immunity, or drive up to 6 terminations
- High data rates: up to 40Mbps
- Specified for +125°C operation (FBZ), +85°C (IBZ)
- 11/13ns (maximum) Tx/Rx propagation delays; 1.5ns (maximum) skew
- 1/5 unit load allows up to 160 devices on the bus
- Full fail-safe (open, shorted, terminated/undriven) receiver
- High Rx IOL to drive opto-couplers for isolated applications
- Hot plug - Tx and Rx outputs remain three-state during power-up
- Low quiescent supply current: 4mA
- Low current shutdown mode: 1μA
- -7V to +12V common-mode input voltage range
- Three-state Rx and Tx outputs
- Operates from a single +5V supply (10% tolerance)
- Current limiting and thermal shutdown for driver overload protection
- Pb-free (RoHS compliant)
ドキュメント
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カタログ
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カタログ
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EOL通知
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その他資料
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その他資料
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その他資料
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Price Increase Notice
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製品変更通知
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技術概要
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PDF920 KB
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