SN75LP1185DBR

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The SN75LP1185DBR is an RS-485 transceiver. It was designed to operate in full duplex mode, allowing pairs of devices to communicate with eachother bi-directionally. It operates as both a transmitter and a receiver, with the transmitter actively driving the pair of wires, and the receiver detectingincident signals. The SN75LP1185DBR is part of the Sipex family of specialized transceiver ICs, which were specifically designed for robust operation in harshindustrial environments. The SN75LP1185DBR is well-suited for applications that require immunity from high voltage disturbances, as it is able to withstandelectrical surges up to +/-15kV ESD.The SN75LP1185DBR is a differential transceiver, meaning that it uses two different, but complementary, signals to encode and decode data across a singlemedium. These signals, which travel in opposite directions, interact and cancel out noise along the way; this makes them more reliable than single-endedsignals, and also allows the system to cover much larger distances than it otherwise would. To ensure that the SN75LP1185DBR stays compliant with variousapplications, it supports both standard and low power modes. It also boasts an increased operating temperature range of -40℃ to +85℃ and maximum receiverdata rates of up to 120M bits/sec.The SN75LP1185DBR features a pair of half-duplex transceivers with two enable inputs, two use enable signals to enable the receiver or transmitter functions.The driver input is a 3.3V CMOS logic compatible receiver input with a 30nS input filter, and the output is a differential output with a configurable low orhigh voltage output. The output voltage is 85% of the supply voltage and the output current is adjustable up to 50mA. The receiver has both normal and hysteresispower up characteristics. The hysteresis allows improved time response to low data rate signals.In conclusion, the SN75LP1185DBR is a versatile, robust, and reliable RS-485 transceiver. Its differential transmission speeds and its ability to withstand highvoltage disturbances makes it an ideal choice for most industrial environments. Its low power and temperature ranges makes it suitable for a wide array ofapplications, and its configurable output and receiver filter makes it a reliable choice for all your data communication needs.

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