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The MAX3292ESD is a full-duplex RS-485/RS-422 transceiver featuring driver preemphasis circuitry to reduce intersymbol interference. It operates from a single +5V supply and supports data rates up to 10Mbps. The device includes a low-current shutdown mode reducing supply current to 100nA, a fail-safe receiver input, and allows up to 128 transceivers on the bus due to its 1/4-unit-load impedance. It is housed in a 14-pin SO package and specified for an operating temperature range of -40°C to +85°C.
Verify the specific ordering suffix 'ESD' corresponds to the 14-pin SO package and the -40°C to +85°C industrial temperature range as defined in the manufacturer's ordering information. Confirm that the component is sourced directly from Analog Devices or authorized distributors to ensure authenticity and compliance with RoHS standards.
Select the MAX3292ESD over the MAX3291 when flexible preemphasis timing is required, as the MAX3292 utilizes an external resistor to set the interval. Ensure the application requires full-duplex operation and a single +5V power supply. Verify that the cable length and data rate benefits of preemphasis are necessary compared to standard transceivers.
The MAX3292 belongs to the MAX3291/MAX3292 family of high-speed RS-485/RS-422 transceivers designed for long-distance communication. It shares pin compatibility with legacy devices like the SN75180 and MAX489 series, facilitating direct upgrades in existing designs requiring higher performance over longer cable runs.
The MAX3292ESD is pin-compatible with the MAX3291ESD, SN75180, MAX489, MAX491, MAX3080, MAX3083, MAX3086, and MAX1482. When replacing these parts, account for the MAX3292's requirement for an external resistor on the PSET pin to configure the preemphasis interval.